Duration: 120 minutes (160 Minutes for eligible PwBD candidates
accompanied by Scribe)
No of Questions: 150
1) General Awareness (15 marks)
Knowledge of Current affairs, Indian geography, culture and history of India including freedom struggle, Indian Polity and
constitution, Indian Economy, Environmental issues concerning India and the World, Sports, General scientific and technological
developments etc.
2) Physics and Chemistry (15 marks)
Up to 10th standard CBSE syllabus.
3) Basics of Computers and Applications (10 marks)
The architecture of Computers; input and Output devices; Storage devices, Networking, Operating System like Windows, Unix,
Linux; MS Office; Various data representation; Internet and Email; Websites & Web Browsers; Computer Virus.
4) Basics of Environment and Pollution Control (10 marks)
Basics of Environment; Adverse effect of environmental pollution and control strategies; Air, water and Noise pollution, their
effect and control; Waste Management, Global warming; Acid rain; Ozone depletion.
5) Technical Abilities:
(A) Mechanical and Allied
Engineering (100 marks)
- Engineering Mechanics: Resolution of forces, Equilibrium, and Equilibrant, parallelogram law of forces, triangle law of forces, polygon law of
forces and Lami’s theorem, couple and moment of a couple, condition for an equilibrium of rigid body subjected to a number
of coplanar non-concurrent forces, the definition of static friction, dynamic friction, derivation of limiting angle of friction and the angle of repose, resolution of forces considering friction when a body moves on a horizontal plane and inclined plane,
calculation of moment of inertia and radius of gyration of (a) I-Section (b) channel section (c) T-Section (d) L-Section
(Equal & unequal lengths) (e) Z-Section (f) Built up sections (simple cases only), Newton’s laws of motion (without
derivation), the motion of a projectile, D’Alembert’s principle, definition law of conservation of energy, the law of conservation of
momentum.
- Material Science: Mechanical properties of engineering materials – tensile strength, compressive strength, ductility, malleability, hardness,
toughness, brittleness, impact strength, fatigue, creep resistance.
Classification of steels, mild steel, and alloy steels.
Importance of heat treatment. Heat treatment processes – annealing, normalizing, hardening, tempering, carburizing,
nitriding and cyaniding.
- Strength of Materials: Stress, strain, stress-strain diagram, a factor of safety, thermal stresses, strain energy, proof resilience and modulus of
resilience. Shear force and bending moment diagram – cant leaver beam, simply supported beam, continuous beam,
fixed beam. Torsion in shafts and springs, thin cylinder shells.
- Thermal Engineering: Laws of thermodynamics, conversion of heat into work vice versa, laws of perfect gases, thermodynamic processes – isochoric, isobaric, isothermal hyperbolic, isentropic, polytrophic and throttling
- Heat and Mass transfer: modes of heat transfer, thermal conductivity, convective heat transfer coefficient, Stefan Boltzmann law by radiation and overall heat transfer coefficient.
- IC Engine and RAC: Air standards cycles – Carnot cycle, Otto cycle, Diesel cycle, construction and working of internal combustion engines, comparison of diesel engine and petrol engine. Systems of an internal combustion engine, the performance of internal combustion engines. Air compressors their cycles refrigeration cycles, the principle of a refrigeration plant
- Fluid Mechanics & Hydraulic Machinery: Properties of fluid, density, specific weight, specific gravity, viscosity, surface tension, compressibility capillarity, Pascal’s law, measurement of pressures, the concept of buoyancy. Concept of Reynold’s number, pressure, the potential and kinetic energy of liquids, total energy, laws of conservation, mass, energy and momentum, the velocity of liquids and discharge, Bernoulli’s equation and assumptions, venturi meters, pitot-tube, current meters. Working principle & constructional details of centrifugal pump, efficiencies – manometric efficiency, volumetric efficiency, mechanical efficiency, and overall efficiency, cavitation and its effect, the working principle of jet & submersible pumps with line diagrams.
- Machining: Working principle of the lathe. Types of lathes – Engine lathe – construction details and specifications. Nomenclature of
single point cutting tool, geometry, tool signature, functions of tool angles. General and special operations – (Turning,
facing, taper turning thread cutting, knurling, forming, drilling, boring, reaming, keyway cutting), cutting fluids, coolants
and lubricants. Introduction to shaper, slotter, plainer, broaching, milling and manufacture of gears, heat treatment
process applied to gears.
- Welding: Introduction, classification of welding processes, advantages and limitations of welding, principles of arc welding,
arc welding equipment, choice of electrodes for different metals, principle of gas (oxy-acetylene) welding, equipment of
gas welding, welding procedures (arc & gas), soldering and brazing techniques, types and applications of solders and
fluxes, various flame cutting processes, advantages and limitations of flame cutting, defects in welding, testing and
inspection modern welding methods, (submerged, CO2, atomic – hydrogen, ultrasonic welding), a brief description of MIG
& TIG welding.
- Grinding & Finishing Process: Principles of metal removal by grinding, abrasives, natural and artificial, bonds and binding processes, vitrified, silicate,
shellac rubber, grinding machines, classification: cylindrical, surface, tool & cutter grinding machine, construction
details, relative merits, principles of centreless grinding, advantages & limitations of centreless grinding work, holding
devices, wheel maintenance, balancing of wheels, coolants used, finishing by grinding, honing, lapping, super finishing,
electroplating, basic principles – plating metals, applications, hot dipping, galvanizing tin coating, parkerising, anodizing,
metal spraying, wire process, powder process and applications, organic coatings, oil base paint, lacquer base enamels,
bituminous paints, rubber base coating.
- Metrology: Linear measurement – Slip gauges and dial indicators, angle measurements, bevel protractor, sine bar, angle slip
gauges, comparators (a) mechanical (b) electrical (c) optical (d) pneumatic. Measurement of surface roughness;
methods of measurements, by comparison, tracer instruments and by interferometry, collimators, measuring microscope, the interferometer, an inspection of machine parts using the concepts of shadow projection and profile projection
- Industrial Management: Job analysis, motivation, different theories, satisfaction, performance reward systems, production, planning, and control,
relation with other departments, routing, scheduling, dispatching, PERT and CPM, simple problems.
Materials in industry, inventory control model, ABC Analysis, Safety stock, re-order, level, economic ordering quantity,
break-even analysis, stores layout, stores equipment, stores records, purchasing procedures, purchase records, Bin
card, Cardex, Material handling, Manual lifting, hoist, cranes, conveyors, trucks, fork trucks.
