Tripura Forest Service Exam

1857 to 1947:

3 hr

৩ ঘণ্টা

3 hr

Paper I

2. Soil science and soil conservations: Soil genesis and its composition, soil profile, soils structure & texture, physical properties of soil, soil-water relat ship, soil-plant relationship, soil fertility and plant growth, essen tial elements for plant growth and role of macro, micro and trace elements in plant nutrition, effect of green manure, organic manure and fertilizers on soil properties, properties of common nitrogenous, phosphatic and potassic tertillizers, soil organic matter and its effect on soil, acid and alkali, their formation and reclamation, microbiology.

Soil erosion, factors effecting soil erosion, soil and water conservation planning and programme, land use classification.

3. Irrigation and drainage:

Sources of irrigation water systems and methods of irrigation-advantages and limitations of each method, Water requirements of crops, measurement of irrigation water soil moisture different forms and their importance.

Drainage and its necessity, cases of water logging, harmful effects of excessive water methods of drainage.

4. Weed and weed control:

Injurious effects and losses caused weeds, chief agencies of weed dissemination, cultural, biological and chemical control of common weeds of the state.

5. Entomology & Plant Pathology:

Insect pests of crops and various methods of their control, various forms of insecticides, their classification, precaution in the use of insecticides, Economic insects and methods of their rearing.

Disease of crops-nature and causes of crops disease; reproduction and dissemination of disease-causing organisms-methods of their prevention and control; various forms of fungicides and their use. Diseases caused by plant viruses, bacteria & nematodes and their control.

7. Layout of orchards -its importance & various methods; plant propagation-various methods and advantage and disadvantages of each; Training and pruning and their importance in fruit production; botanical classification of vegetables and classification bases on edible parts used.

8. Studies on Agro forestry & Social Forestry & their importance.

Paper II

2. Farm management–its meaning and importance, basic principles of farm management; types and systems of farming, farm records and accounts, problems and prospects of agricultural marketing; role of co-operatives in agricultural economy.

Importance of fruits and vegetable processing, different methods of fruits and vegetable processing.

3. Studies of field crops:

Detailed studies of the following crops with reference to their scientific introductions, soil and climatic requirement, seed bed preparation, seed rate, sowing/transplanting, land preparation inter culture, fertilizer and manorial requirement and application; improved varieties, plant protection, harvesting

& storing:

(a) Cereals and millets like paddy, wheat Maize.

(b) Oilseeds & pulses like mustard, sesame and groundnut; black gram, gram, cowpea, field-pea & pigeon-pea.

(c) Fibre crops like jute/mesta & cotton.

(d) Plantation crops like sugarcane.

4. Studies of Horticulture Crops:

Detailed studies of the following crops with reference to soil & climate requirements, spacing, layout, requirement or planting material like seeds & seedlings, grafts & goodies etc. seedbed preparation & sowing, pit size, pit-mating, refilling, planting; varieties, manure, fertilizer requirement & application interculture, harvesting & yield, postharvest handling.

(a) Fruits-crops like citrus, banana, pineapple, papaya, jackfruit, guava, litchi.

(b) Condiment & spice crops like betel vine, black pepper, ginger, turmeric, coriander, chilli.

(c) Plantation of crops like coconut, cashew nut, coffee, cacao areca nut & tea.

(d) Winter vegetables like cole crops. brinjal, carrot, beet, garden pea, potato, lettuce, onion, radish, spinach & tomato.

(e) Summer & rainy season vegetables like parwal, bhindi, kakrol, ashgourd, sweet gourd, bitter gourd, ridge gourd, brinjal, betel gourd, cowpea, cucumber, snake gourd.

Paper I

Morphology: Inflorescence, Flower, Pollination. Seeds and Fruits including dispersal.

Anatomy: Tissue, Tissue system, internal structures of root. stem and leaf, normal secondary growth in stem.

Taxonomy: Principles of nomenclature and classification of angiosperm, distinctive features and economic importance of the families:- Gramineae, Zingiberaceae, Orchidaceae, Palmae, Magnoliaceae, Leguminosae. Cucurbitaceae, Rubiaceae, Eup Euphorbiaceae, Dipteroenrpaceae. Verbenaceae, Myrtaceae. Compositae, Labiatae

Paper II

Physiology: Intake of water and minerals, transpiration, photosynthesis, respiration, growth hormone, photoperiodism.

Ecology: Ecological factor, ecosystem, forest ecosystem, method of studying plant community, man and biosphere resources including their conservation, pollution.

Plant Geography: Botanical regions of India.

Economic Botany: Economic uses of flowering Plants particularly medicinal plants, timber yielding plants, food and fibre yielding plants, beverage yielding plants.

Cytology & plant Breeding: Mitotic and meiotic division, chromosome structure, Mendelism, mutation, polyploidy, plant breeding methods and hybrid vigour,

Paper I

2. Classification upto subclass in Nonchordates and upto order in chordates.

3. The structure, habits, and Life-history of the following non-chordate types: Amoeba, a sponge, Obelia, roundworm, earthworm, Leech, Slorsion, Pila and starfish.

4. An outline knowledge of social insects with special reference to termite and ant.

5. Beneficial insects: Lac-insect, honey bee and silk motho

6. Insect pests of forest trees and their control measures.

7. The structure and comparative anatomy of the following chordate types Branchiostoma, Petromyzon, Lates, toad, Calotes, pigeon and guinea pig.

8. Elementary knowledge of the histology and physiology of the various organs of the animal body with reference to toad, guineapig, Endocrine glands and their functions.

9. Life-history, pathogenicity and control of Entamoeda, histolytica, plasmodium vivax.

Paper II

2. Ecology– Ecological factors (biotic and antibiotic factors), Ecosystem Components, food chains and food webs, Forest ecosystem and pond ecosystem-structure and function.

3. Adaptation:- Aquatic, volant and arboreal adaptation, Colouration and mimicry

4. Animal association:- Symbiosis, Commensalism, parasitism.

5. Cytogenetics:- Chromosome structure, DNA as genetic material, Mendelism; Linkage and crossing over; Sex linked inheritance Sex determination; Congenital abnormalities in mar Colour blindness, Down’s syndrome.

6. Evolution:- Evidences of evolution; Darwinism; Modern synthetic theory of evolution Mutation theory of de Vires.

7. Embryology:- Account of gametogenesis and fertilization Cleavage and formation of tree germinal layers in chick structure and functions of the mammalian placenta.

8. Zoogeography:– Zoogeographical realms.

9. Distribution of animals:- Type of distribution, Geological distribution of animals with special reference to the Indian fauna.

10. Wild Life:- Purpose of wild life study; Elementary knowledge of life of India with special reference to the endangered species; Principles of Conservation and management.

11. Environmental pollution: Water pollution and air pollution.

Paper I

Forest as living entity-its effect on environment inclusion in concurrent list of constitution; ecosystem; ecological succession and climax; nutrient cycling and water relations; physiology in stress environment (drought, water-logging, alkalinity and salinity etc.); distribution of different types of forest principles and concepts of tree improvement.

2. Forest Economic, Policies & Legislation:

Fundamental principles of forest economics; cost benefit analysis; forest biometry; estimation of demand and supply; assessment and projection of market structures; role and mode of corporate functioning, socio-economic analysis of forestry productivity and its dynamics.

3. History of forest development in India:

Indian Forest policy of 1894, 1952 and 1938. National Commission on Agriculture-report on forestry, constitution of Boards to tackle denuede non-forest areas, research activity on forests.

4. Forest Laws:

Necessity: general principles, Indian Forest, 1927. Forest (Conservation) Act, 1980. Wildlife (Protection) Act, 1972, Environment Acts etc.

5. Forest Botany:

PLANT MORPHOLOGY:

Type of leaves-phyllotaxy, different types of inflorescence, flowers, floral structure, floral formulae and floral diagram, dispersal of fruits and seeds, germination of seed.

Taxonomy and systematic botany: Nomenclature, principles of classification, Bentham and Hooker system

of classification), different herbarium plants and herbaria, I.C.B.N. and Vienna Code.

Plant Anatomy or Forest Anatomy:

Root, stem and leaf anatomy, wood and bast tissues, annual rings, sapwood and hardwood, cambium, wounds and leaf abscission.

6. Soil & Water Conservation:

Soil formation, extent and causes of erosion in India, histological cycle, genesis of wasteland, land capability classification and utilization.

Soil conservation measures in varied topography, afforestation and protection of sensitive areas, closure, fire protection, contour tranching, check dams, gulty plugging wing breaks, shelter belts etc., adaption of different engineering measures for soil and water conservation, soil conservation in agricultural land-terracing, contour bunding, crop protection, step cropping, green manuring, mulching, soil conservation in catchment areas and watershed management.

7. Wildlife:

Definition, values, food chain, biomes, concept of habitat, bio-diversity population control, major wildlife species, management of protected areas.

8. Social Forestry:

Genesis, scope, necessity, agro-forestry, extension forestry, recreational forestry, involvement of people and people’s participation.

9. Application of remote sensing technique in Forestry:

Aerial photographs, interpretation of satellite imagery.

10. Tribal Welfare:

Constitutional provisions and general legislation for tribal welfare, symbiotic relationship with forests, tribal economy in relation to forests, tribal development schemes.

Paper II

General silvicultural principles ecological and physiological factors influencing vegetation, natural and artificial generation of forests, nursery seed technology-collection, storage, pretreatment and germination, establishment and tendings. Silvicultural system-clear felling, uniform, shelterwood, selection, coppice and conversion systems.

Silvicluture of some of the economically important species such as Pinus Wallichiana, Pinus Kesiya, Crypromeria Japonica. Tropical pines, Acacia spp., Albizzia spp., Artocarpus spp. Anogeissus spp., Bamboos, Careya arborea, Cedrela toona, Cassia sinamia, Dalbargia. spp., Dipterocarpus spp., Eucalyputus spp., Gmelina arborea, Grewia spp., Hopea parvflora, Hymendodictiyon exelsem, Leucaena Leucocephala. Legerstroemia spp., Michelia spp., Melia azadiracht, Mesua ferrea, Populus spp., Salmelia spp., Shorea robusta, Suzygium spp., Tectonas grandis, Terminalia spp.

FOREST MENSURATION AND MANAGEMENT:

2. Forest Mensuration and Management:

Methods of measuring-diameter, girth, height and volume of trees, form-factor, volume estimation of stand, sampling methods, yield calculation, current annual increment, mean annual increment, sample plots, yield and stand tables, scope and objectives of forest inventory.

Forest management – Objectives and principles, techniques, sustained yield, rotation, normal forest, growing stock, regulation of yield methods and application,

3. Forest Utilization:

Logging and extraction techniques and principles, transport, storage and sale. Minor forest produces-definition and scope, gums, resins, oleoresins, fibres, oilseeds, nuts, rubber canes, bamboo medicinal plant, charcoal, apiary, sericulture, lac and shellac, tassar, silk, katha and bidi leafs. Collection, processing and disposal of minor forest products.

Wood technology, anatomical, physical and mechanical properties of wood, defects and abnormalities, composite and other wood products, pulp, paper and rayon. Saw milling wood seasoning and preservation.

4. Forest Protection:

Injuries to forests-abiotic and biotic, insects, pests and diseases, General forest protection against fire, insect and diseases, biological and chemical controls.

5. Forest Surveying and Engineering:

Different methods of surveying-chain, prismatic compass, plaintable and topographic surveys, area calculation, maps and map reading.

Basic principles of forest engineering. Building materials, and construction, Roads-objects and classification, general principles, construction. Bridges-general principles, objects, types, simple design and construction of timber bridges.

6. Forest Accounts:

Accounts Code Vol-III, service agency, basic principles in maintenance of Cash Book on forest accounts.

7. Forest Working or Management Plans:

Necessity, aspects covered, evaluation, monitoring of prescriptions, feasibility studies.

Paper I

Units and dimensions, scaler and vector quantities. Moment of inertia in simple cases like uniform red, disc, ring sphere, uniform lamina. Rotational motion under constant angular acceleration, gravitation, escape velocity, geo stationary satellites, simple harmonic motion, simple and compound pendulum, elasticity, surface tension, viscosity of liquids, rotary pump. McLeod gauge.

2. Sound:

Differential equation of waves, energy of sound waves, stationery waves, velocity of longitudinal waves in solids and gases. Acoustics in architecture, Elements of ultrasonics. Elementary principle of gramophones, Talkies and loudspeakers.

3. Heat and Thermodynamics:

Thermometry, thermal expansion of solids and liquids. Isothermal and adiabatic changes in gases. Thermal conductivity, kinetic theory of gases, Equations of states, Van-der-Waals’ equation. Joule-Thompson effect. Heat engines, Carnot’s Theorem. Laws of Thermodynamics. Elementary principle of refrigeration and air-conditioning. Internal combustion engines. Black body radiation.

Paper II

Geometrical Optics-Refraction of light at spherical surface, thin lenses and their combination, separated lenses, chromatic abberation and spherical abberation Ramsden and Hyghen eyepiece, optical instruments-telescope, compound microscope, magnifying power.

Physical optic-Michelsons octagenal method for determination of velocity of light. Wave theory of light, Interference-Young’s experiment, Frensel’s biprism, Newton’s ring Diffraction-elementary theory, Single slit double slit, transmission grating. Polarization-Double refraction, Nicol’s prism, optical activity, spectroscopy.

2. Electricity and Magnetism:

Magnetic potential and field due to short magnet magnetic shall, couple on magnet, work done in deflecting a magnet, Earth’s magnetic field. Magnetic properties of matt, Hysteresis permeability and susceptibility. Electrostatics Gausses theorem and simple applications, condensers, Attracted dise electrometer.

Current electricity-moving magnet and moving coil galvanometers, Ballistic galvanometer and its uses. Electromagnetic induction, self-inductance and mutual inductance, magnetic field due to a circular current, straight conductor and solenoid. D. C. Circuits-growth and decay of current & charge in L. R. & C. R. circuit. A. C. Circuits-R. M. SS and mean value of current and e. m. f. Reactance, impedance phase angle, Vector diagram. Power factor, L-R, m C-R & L-C-R circuits, Resonant circuits, Q-factor. Transformers elementary principles.

3. Modern Physics:

Transistor, Semiconductors, Characteristics curves different configurations, cathode ray oscilloscope, measurement of specific charge of electron. Measurement of charge of Electron Radioactivity-Mean life, half-life age of rocks, radio isotopes G.M. Counters Elements of Bohr’s theory, X rays.

Paper I

Alkanes, alkenes, alkynes and dienes. Simple derivative of aliphatic compounds – Alcohols, Aldehydes, Ketones, Acids, Halides, Ethers, Acid chloride, Acids amide and Acid anhydride. Monobasic hydroxyl, Ketonic and amino acids, Organometallic compounds, Acetoacetic ester, Tartaric, Citric, Maleic and Fumaric acids. Carbohydrates, Classification, general reactions and structures of Glucose, fructose and sucrose.

Stereochemistry: Optical and geometrical isomersim, concept of conformation. Benzene and its simple derivatives, Toluene, xylenes, Phenols, halides, nitro and amino compounds. Benzoic, salicylic, cinnamic, mandelic and sulphoric acids. Aromatric aldehydes and Ketones. Diazo, azo and hydrazo compounds. Aromatric substitution. Naphthalene, Pyrrole, Pyridine and quinoline.

Elementary ideas of Petrochemicals, vitamins, Hormones, Antibiotics Alkaloid, Protein and Pesticide.

Inorganic Chemistry:

Chemistry of the common (‘S’ and ‘P’ block) elements (both metals and nonmetals) including their isolation/extraction and their compounds.

Structure of hydrogen peroxide, diborane, aluminium chloride and the important oxy acids of nitrogen, phosphorus, chlorine and sulphur.

Inert gases-Isolation and chemistry. Werner’s theory of Co-ordination compounds. Transitional elements and their characteristics. Manufacture of ammonia, nitric acid, sulphuric acid, cement glass, fertilizers.

Principles of Inorganic qualitative and quantitative analysis.

Paper II

Electronic configuration of elements, Aufbau Principle, Periodic classification of elements, atomic and ionic raddi, ionisation potential, electron affinity, electronegativity. Natural and artificial radioactivity, nuclear fission & fusion reactions.

Electronic theory of valency, modern concepts of covalent bonding, elementary ideas of sigma and Pi-bonds, hybridization and directional nature of covalent bonds, inductive, measomeric and hyperconjugative effect, resonance, oxidation and reducing agents, balancing equalions by ion-elec tion method. Modern concept of acid base-Arrhenius, Lewis, Bronsted. Lowry, Usanovich, Soft and hard acid-base, Laws of thermodynamics-Zeroth, first and Second laws, isothermal, adiabatic, cyclic, reversible, irreversible processes, enthalpy, entropy, free energy, Criteria of chemical equilibrium and spontaneity of a process.

Carnot cycle, mathematical derivation of second law of thermodynamics. Thermochemistry-heat of reaction, formation, combustion, Solution, bond energy, flame temperature, Kirchoff equation.

Physical Chemistry

Kinetic theory of gas, derivation of PV = 1/3mnc², Van der Waals’ equation, Liquefaction of gas, Critical state, law of corresponding states. Specific heat of gases,

C-C=R, C=C, Maxwell equation of distribution of molecular Velocity (excluding derivation)-interpretation of results.

Osmotic pressure, relative lowering of vapour pressure, elevation of boiling point, depression of freezing point, determination of molecular weight in solution, association and dissociation of solutes.

Low of mass action and its application to homogeneous and simple heterogeneous equilibrium, Le Chatelier Principle, influence of temperature and pressure on chemical equilibrium. Molecularity and order of a reaction, first and second order reaction, determination of order of a reaction, elementary ideas of theory of reaction rates, collision theory and activated complex theory.

Phase rule equation phase, component, degree of freedom, application to one component and simple two component systems distribution law.

Colloids-general methods of preparation, properties, coagulation peptisation, protective action, gold number, Tyndall effect, Brownian motion. Elementary ideas of macromolecules-their preparation structure, uses. Initiators. Catalysis-homogeneous & heterogeneous catalysis, Criteria, Promoters. Poisoning of catalysts. Photochemistry (elementary ideas), laws of photo chemistry, simple problems.

Conductance-equivalent, molecular and ionic conductants, Kohlrausch’s law of independent migration of ions, transport number, absolute velocity of ions, Conductometric titrations, Ostwald’s dilution law, hydrogen ion concentration-pH, buffer reaction, indicators, theory of indicators (elementary ideas) Solubility product, hydrolysis of salts.

Reversible and irreversible cells, HE (Standard hydrogen electrode) and Quinhydrone, calomel electrodes, redox potential determination of PH by different methods, potentiometric titrations.

Paper I

(a) Complex Numbers: Algebra of complex numbers. De Moivre’s theorem and its applications. Exponential, Sine, Cosine and Logarithm of a complex number, Hyperbolic functions.

(b) Polynomials with real coefficients, Fundamental theorem of classical Algebra (Statement only). The ninth degree equation has exactly m roots. Nature of roots of an equation. Statement of Descarte’s rule of signs and its applications. Relation between roots and coefficients. Symmetric functions of roots. Transformations of equations. Cardan’s method of solution of cubic equation.

(c) Determinants and Matrices: Simple properties of product of determinants. Solution of Linear equations with not more than three variables by cramer’s rule. Algebra of matrics. Adjoint of a matrix, inversion of matrices, Rank of matrix. Consistency and solution of linear equations (in three unknowns.)

2. Vector Algebra:

Addition of vectors. Multiplication of a vector by a scalar. Scalar and vector products of two and three variables. Simple applications to (i) the Geometrical problems (ii) Mechanics (work done and torque).

3. Differential Calculus:

Concept of limit, continuity and differentiability of a function of one variable. Derivative of standard functions. Successive differentiation. Statement of Leibnitz’s theorem and its applications. Statement of Rolle’s theorem and its applications. Mean value theorem of Lagrange and Cauchy. Statement of Taylor’s and Maclaurin’s theorem with Langrange’s form of remainders. Taylor’s and Maclaurin’s series for function like e^x, sinx, cosx, (1+x)ⁿ, log (1+x)ⁿ. Indeterminate forms. L’Hospital rule (proof not needed) applications. Maxima and minima of a function of a single variable. Geometrical application such as tangent, normal, rectilinear asymptotes (Cartesian only). Curvature of plane curves. Envelope of family of straight lines (Problems only). Partial differentiations. Euler’s theorem on homogeneous function of two variables.

Convergence of sequence and series. Test of convergence of series of positive terms. Statement of Comparison test, Ratio test, Cauch’s nth root test and Raabe’s tests and applications.

4. Integral Calculus:

Standard methods of integration. Definition of definite integral of continuous functions. Fundamental theorem of Integral Calculus. Reduction formula of $ tan $ xdx. sinm x cosn x dx and connected problems in (m, n are non-negative integers) Definition of improper integrals. Uuse of Beta and Gamma functions (Convergence and important relations being assumed). Quadrature Rectification, Volume and surface areas of solids of revolution of plane curves and areas by X-axis and Y-axis Problems only.

5. Differential equations:

Solution of first order differential equations (variable separable. Homogeneous equations, Euler’s and Bernoulli’s equation, Exact equation, Clairaut’s equation). Second order linear differential equations with constants coefficients. Simple application of problems on growth and decay, simple harmonic motion.

Paper II

(a) Two dimensions:  Pair of straight lines, Condition that the general equation of second degree in X and Y may represent two straight lines. Angle between two straight lines, Equation of bisectors of the angle between pair of straight lines. General equation of second degree in x and y. Reduction to canonical forms. Classification of conic.

Polar equations of straight lines, circles. Polar equation of a conic referred to focus as polo, Equations of tangents and normals.

(b) Three Dimensions:

Rectangular Cartesian coordinates. Distance between two points. Direction cosines a d direction rations of a straight line. Production of a line segment on another straight line. Angle between two straight lines.

Equation of Planes: General form, intercept form and normal form. Angle between two planes. Bisectors of angles between two intersecting planes. Volume of tetrahedron.

Equations of a straight line: General form and symmetrical form. Co-planarity of two lines. Shortest distance between two skew lines.

Sphere and its tangent plane.

2. Linear Algebra:

Concept of vector space/Linear space over a field. Examples from. Different branches of Mathematics.

Line combination, linear dependence, impendence of finite set of vectors. Basis of a finite dimensional vector space

3. Linear Programming:

Formulation of linear programming problems from daily life. lack and surplus variables, Convex set. Hyperplane. Extreme point. Basic solution and Basic feasible solutions. Statement of Fundamental theorem of Linear programming problem and its applications, Standard form of Linear programming problem. Solution by simplex method, (not more than three variables). Charn’s Method. Concept of Duality. Transportation (Balanced problem) and Assignment problem.

4. Dynamics of Particle:

Kinematics, –displacement, speed, velocity and acceleration of a Particle, relative velocity. Motion in a straight line under (i) Constant forces (ii) Variable forces (Simple Harmonic motion, Inverse square law), Damped oscillation. Forced and damped forced oscillation. Motion in two dimensions: Projectile in vacuum and in a medium with resistance varying linearly as velocity. Motion under forces varying as distance from a fixed point.

Impact of elastic bodies. Direct impact. Loss of Kinetic energy, indirect impact.

Motion in plane. Velocity and acceleration in Cartesian coordinates, Angular velocity and angular acceleration. Tangential and normal acceleration, Radial and Transverse component of velocity and acceleration. Central orbit. Central forces. Motion of a particle under central force. orbit. Differential equation in polar and pedal coordinates. Apses. Applications.

Paper I

2. Types of statistical data and their representation by means of charts and diagrams, frequency distributions and their graphical representations, measures of central tendency and dispersion, correlation and regression involving two variables, rank correlation ratio, partial and multiple correlation and regression involving three variable.

3. Standard theoretical distributions like binomial, Poisson and Normal, derivation of these distributions and discussion of their properties, concept of sampling distribution of a statistic and derivation of sampling distribution of mean and of variance independent normal variates and of K2 (Chi-square), characteristics of T and F distributions, large sample and small sample tests of significance, definition and uses of Pearsoniam K2 (chi-square).

4. Criteria of a good estimator, minimum likelihood estimators and their properties (without proof), derivation of maximum likelihood estimates for parameters of binomial, Poisson and normal distributions. meaning of interpolation, and E operator’s, Newton’s forward, backward and divided difference formula. Lagrange’s interpolation formula, meaning of numerical intergration, general integration formula and derivation of trapezodal and Simpson’s one-third rules from its problems on numerical integration, numerical solution of equations in one unknown by method of false position method of interaction and Newton-Raphson method, convergence of interaction method.

Paper II

2. Price index number and various steps in the construction of a price index number, important price’ index number formula with their derivation, quantity index, numbers, tests of index number formula; chain index, number construction of consumer price index number, wholesale price index number and its construction with reference to All India wholesale price index number errors in index numbers. contents of important statistical publications of Govt. of India and Govt. of Tripura, methods of compilation of statistics relating to census, agriculture and prices particularly with reference to Tripura.

3. Time series and its components, trend determination by free-hand smoothing, method of moving average and fitting a mathematical curve, determination of seasonal indices by methods to trend-ratios and ratios to moving averages, statistical quality control (SQC) and its meaning, advantages of SQC, rational subgroups. control charts for variables and attributes, construction of control charts for mean, range, fraction defective, number of defectives and number of defects.

4. Sources of vital statistics, rates and ratios of vital statistics measurement of mortality by crude, specific and standardized death rates, general description of a complete Life table and its construction, measurement of fertility by crude birth rate, general, specific and total fertility rates, gross and net reproduction rates Analysis of variance in one way and two-way classified data with one observation in each cell, numerical problems relating to one-way classified data.

Paper I

2. IRRIGATION AND DRAINAGE- Soil, Water, plant relationship. Sources and types of irrigations, planning and design of minor irrigation schemes, measurement of soil moisture.

Duty of water consumptive use. Water requirements of crops. Benefit cost ratio of irrigation systems. Measurement of irrigation water orifices wires and flumes, command area development with construction of channels, pipe lines, head gates, diversion boxes structures and cross drainage works.

Study of ground water hydrology. Hydraulics of various type of wells Drilling methods, development and testing of wells,

DRAINAGE-Definition-causes of water logging: Methods of drainage of irrigated and non-irrigated water logged areas. Design of surface and sub-surface drainage systems.

Paper II

Study of the various types, of building materials and their properties, Timber brickwork and R. C. works study on the construction and design of columns, beams, roof trusses, joints project preparation, planning of small and big farms houses, farm steed, animal shelters and storage structures. Rural water supply and sanitation.

Farm machinery and power:-Study on the construction of different types of internal combustion engines. Ignition, fuel, Lubricating, cooling and governing systems of IC engines. Different types of tractors, Chassis transmission and steering.

Farm machinery for primary and secondary tillage, seeding machinery interculture tools and machinery. Harvesting and threshing equipment. Machinery for land development. Pumps and pumping machinery.

3. RURAL ELECTRIFICATION:-

Problems and maintenance of Electrical Systems in rural areas. A. C. and D. C. circuits Maintenance and development of Electrical System in agricultural and allied farms, Electrical motor used in agriculture, their types, selection, installation and maintenance.

Paper I

(a) Momentum transfer:

 (i) Different patterns of flow and their criteria;

(ii) Velocity Profile;

(iii) Filtration Sedimentation Centrifuge.

(iv) Flow of solids through fluids.

(b) Heat transfer; Different modes of heat transfer; conduction-calculation for single and composite walls of Flat, cylindrical, spherical shapes.

Convection-different dimensionless groups used in forced and free convection, Equivalent diameter, Determination of individual and overall heat transfer coefficient, Evaporation-Radiation-Stefan Boltzmann law.

Emissivity and absorptivity, Geometrical shape factor, Heat load of furnaces-calculation.

(c) Mass transfer: Diffusion in gases and liquids.

Absorption, desorption, humidification, dehumidification drying and distillation Analogy between momentum, heat and mass and transfer.

2. Thermodynamics:

(a) 1^st, 2^nd and 3^rd Laws of thermodynamics.

(b) Determination of internal energy, entropy enthalpy and free energy-Determination of chemical equilibrium constants for homogeneous and heterogeneous systems. Use of thermodynamics in combustion, distillation and heat transfer. Mechanism and theory of mixing, various mixers for liquid-liquid, Soil-liquid and solid-solid.

Paper II

(1) Kinetics Homogeneous and heterogeneous reactions,

1^st and 2^nd order reactions.

Batch and flows-Reactors and their design.

(ii) Catalysis-Choice of catalysis; Preparations; Mechanics of catalysis based upon mechanism.

2. Transportation:

Storage and transport of materials and in particular, powders, resins, volatile and non-volatile liquids, emulsions and dispersions, pumps, compressors and blowers, Mixer-Mechanisms and theory of mixing, various mixers for liquid-liquid; soild, solid-liquid.

3. Materials:

Factors that determine choice of materials for construction in chemical industries Metals and alloys, ceramics, plastics and rubbers, Timber and timber products, plywood laminates. Fabrication of equipment with particular reference to production of vats, barrels,

filter presses etc.

4. Instrumentation and process control:

Mechanical, hydraulic, pneumatic, thermal, optical, magnetic, electrical and electronic instruments, controls and control systems, automation.

Paper I

Materials Timber, stone, brick, lime, cement, tile, sand, surkhi, mortar and concrete, metal and glass structure proportion of metals and alloys used in engineering practice. Stresses and strains-Hook’s Law, Bending. Torsion and direct stresses, Elastic property of bending of beams, maximum and minimum stresses due to eccentric loading. Bending moment and shear force diagrams and defection of beams under static and live leads.

2. Structural Engineering:

Steel Structures-Permissible stresses, Design of beams, simple and built-up columns and simple roof trusses and girders, column bases and grillages for axially and eccentrically loaded columns; bolted, riveted and welded connections.

R.C.C. structures Specifications of materials used-proportioning, workability and strength requirement-I. S. I. standards for design loads, permissible stresses in R. C. C. members subject to direct and bending stress Design of simply supported, overhanging and cantilever beams, rectangular and Tee-beams in floors and lintels; axially loaded columns and their bases.

Paper II

Construction-Brick and stone masonry walls, floors and roof, staircases, carpentry in wooden floors, roofs ceiling, doors and windows; finishes (plastering, pointing, painting and varnishing etc.) Principles of design of highways-width of foundation and pavement, camber, gradient. Curves and super-clevation; retaining walls. Construction of earth roads, stabilized and water bound macadam roads, bituminus surfaces and concrete roads; draining of roads. Water supply-Sources of water, standards of cation, layout of distribution system, pumps and beetsters. purity, methods of purifi Sanitation Sewers, storm water overflows, house drainage requirements and a appurtenances, septic tanks, sewage treatment and dispersion trenches-Activated sludge process.

2. Surveying, estimating and Bridge Engineering:

Surveying-Chain and Compass Surveying-instruments and their uses; plane leveling; theodolite.

Estimating-Principles and units of measurements, taking out quantities for buildings: and preparation of abstract of costs; specifications and data sheets for important items; estimating earthwork for roads and canals. Bridges Types, economical spans, IRC loading, designing superstructure of small span bridges, Principles of designing foundation of allotments and piers of bridges, pile and well foundations, Soil Mechanics-Soils and their investigation, bearing capacity.

Paper I

Magnetic Field-Biot Savart’s law flux density, relative permeability, saturation, stored energy, self and Mutual Induction.

Net Work’s: Networks elements, KCL, KVL, Star/Delta connections, Maximum Power Transfer theorem.

A.C.: Single phase and three phase, active and reactive power, power factor and its improvement.

Transient and steady state response, Laplace and Fourier’s transform, Resonance and coupled circuits.

Lead acid storage battery, charging and discharging, Care and maintenance of battery.

Measurements:

Basic methods of measurements, general features of Indicating, Moving coil, Moving iron, Dynamometer Rectifier type of instruments. Production of deflecting, controlling and damping torques. C. I. and P. I. measurement of active and reactive power in single phase and three phase with wattmeter. Electrostatic instruments and measurement of high Voltage. Induction type instruments, Principles of energy, meter, power factor meter, frequency meter and use of synchroscope.

Electrical Machines:

Principals of electromechanical energy conversion, field excitation in electrical machine, steady d. c. pulsating and relaying and relaying magnetic fields, voltage due to

steady d. c., relaying magnetic field, concentrated and distributed windings, Magnetic saturation. No load characteristics of electrical machine.

Transformer.

Basic Principles of transformer, e. m. f. equation, phasor diagram, equivalent circuit. regulation, losses and efficiency, testing of transformer, Auto transformer, three phase connection, paralled operation of 3-phase transformer.

D. C. Machines:

D. C. Generators, excilation systems and characteristics, Principals of D. C motors, starting and speed control of D. C motors, losses and efficiency. Heating, cooling and ventilations of electrical machines.

Paper II

Underground cables and their uses, Calculation of cable parameters, grading, equalization potential gradients. Electrical design of overhead lines- Performance of Short and medium transmission lines. Control of Reactive power, use of shunt and series capacitors and synchronous Condensers.

Fault calculation and protective: Relays, Corona, measurements of High Voltage, Protection against over Voltages. Methods of forecasting electrical loads, Estimation of connected load, Maximum. demand, average load, Load factor and Energy consumption Calculations of simple flat rate, two parts and three par US tariffs.

Fields and A. C Machines-Vector Analysis, Divergence theorem (Gauss-theorem), Maxwell’s equation, Electromagnetic wave propagation, Synchronous machines-Generator and Motor characteristics, synchronous impedance, parallel operation of synchronous generators. Induction machines Three phase motor characteristics, starting and speed control, single phase Induction motor.

Electronics and Computer- Semi-conductor devices, Equivalent circuits. Transistor parameters determination of current and voltage gain in-put and output impedances, biasing techniques, single and multistage audio and radio small signals large signal amplifier’s and their analysis, Feedback amplifiers and Oscillators.

Introduction to principles of analog and digital type Electronic Instruments. VTVM, A/D and D/A Converters. Operational amplifiers, general architecture of simple computer. Organization of CPU and Principles of Computing.

Control System:- Transfer functions, Block diagrams and signal flow graphs steady state error, stability, Routh and Nyquist Criteria, Bodeplots, Root Loci.

Paper I

Stress and strains-Hooke’s Law. Bending Moment, Shear force and deflection in simply supported, over-hanging and cantilever beams for simple loading. Torsion in round bars-transmission of power by shafts. Simple cases of combined and torsion.

2. Theory of machines and Machine Design:

Crank effort diagram of engines, Speed variation of flywheels. Governors. Power transmission by belt drives. Journals and thrust bearings Ball and roller bearings. Design of fasteners and locking devices. Riveted, bolted and welded Joints.

3. Production Engineering:

Common machine tools, Working Principles and design features of lathes, shapers, planners, drilling machines, milling machines, grinding machines. Jigs and fixtures. Metal cutting tool materials, tool geometry, cutting forces. Forming process-moulding, casting, forging, rolling, drawing of metals. Welding-weldability, welding processes, testing of welds.

Metrology-Linear and angular measurement. Measurement of screws and gears. Surface finish. Limits and Fits. Optical and pneumatic instruments. Measurement of other physical quantities like temperature, pressure, force and speed etc.

Paper II

Fuel combustion and air supply. Analysis of Fuels and exhaust gases. Boilers, Super heaters and economizers. Boiler mountings and accessories, Boiler performance. Physical properties of steam. Steam tables and their uses. Laws of thermodynamics. Gas laws. Expansion and compression of gases. Air Compressors. Ideal and actual engine cycles. Uses of temperature-entropy, heat-entropy, pressure-Volume Charts and diagrams. Simple seam turbines and internal combustion engine. Indicator Diagrams. Mechanical, thermal, air standard and actual efficiencies. General construction of engines, performance tests and heat balance.

2. Fluid Mechanics and Hydraulic Machines:

Bernoulli’s equation, Fluid flows-laminar and turbulent flow, flow through chavinels and pipes, moving pates and vanes. Measurement of flow. Pumps and turbines-design principles, application and characteristic curves, principles of gindlarity and governing.

Hydraulic accumulators, presses, lifts and cranes. Surge tanks and Storage reservoirs.

3. Industrial Engineering:

Industrial plant location and layout. duction planning and control. Methods of time study and work measurement-Motion-time date, Work sampling. Job evaluation and merit rating. Wages and Incentives.

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