(Syllabus) ENGINEERING SERVICES EXAM (MECHANICAL ENGINEERING)
SYLLABUS : ENGINEERING SERVICES EXAM
MECHANICAL
ENGINEERING
(For
both objective and conventional type papers)
PAPER I
(1) Thermodynamics:
Cycles and IC Engines, Basic Concepts, Open and Closed systems. Heat and work.
Zeroth, First and Second Law, Application to non-Flow and Flow processes.
Entropy, Availability,
Irreversibility and Tds relations. Claperyron and real gas equations. Properties
of ideal gases and vapors, Standard vapor, Gas power and Refrigeration cycles.
Two stage compressor. C-I and S-I Engines. Pre-ignition, Detonation and
Diesel-knock, Fuel injection and Carburation,
Supercharging. Turbo-prop and Rocket engines, Engine Cooling, Emission and
control, Fuel gas analysis, Measurement of Calorific values. Conventional and
Nuclear fuels, Elements of Nuclear power production.
2. Heat Transfer and Refrigeration and
Air-conditioning:
Modes of heat transfer. One-dimensional steady and unsteady conduction,
Composite slab and Equivalent Resistance. Heat dissipation from extended
surfaces, Heat exchangers, Overall heat transfer coefficient, Empirical
correlations for heat transfer in laminar and turbulent flows and for free and
forced Convection, Thermal boundary layer over a flat plate. Fundamentals of
diffusive and connective mass transfer, Black body and basic concepts in
Radiation, Enclosure theory, Shape factor, Network analysis. Heat pump and
Refrigeration cycles and systems, Refrigerants. Condensers, Evaporators and
Expansion devices. Psychrometry. Charts and application to air-conditioning.
Sensible heating and cooling. Effective temperature, comfort indices, Load
calculations, Solar refrigeration, controls, Duct design.
(3) Fluid Mechanics:
Properties and classification of fluids, Manometry, forces on immersed surfaces,
Center of pressure, Buoyancy. Elements of stability of floating bodies.
Kinematics and Dynamics.
Irrotational and. incompressible. Inviscid flow, Velocity potential, Pressure
field and forces on immersed bodies. Bernoulli's equation. Fully developed flow
through pipes. Pressure drops calculations. Measurements of flow rate and
Pressure drop. Elements of boundary layer theory, Integral approach, Laminar and
turbulent flows, Separations.
Flow over weirs and notches. Open channel flows, Hydraulic jump. Dimensionless
numbers, Dimensional analysis, Similitude and modeling. One-dimensional
isentropic flow, Normal shock wave, Flow through convergent-divergent ducts.
Oblique shock- wave, Rayleigh and Fanno lines.
(4) Fluid Machinery and Steam Generators:
Performance, Operation and control of hydraulic Pump and impulse and reaction
turbines, Specific speed, Classification. Energy transfer, Coupling, Power
transmission, Steam generators, Fire-tube and water-tube boilers. Flow of steam
through Nozzles and Diffusers, Wetness and condensation. Various types of steam
and gas Turbines, Velocity diagrams. Partial admission. Reciprocating,
Centrifugal and axial flow Compressors, Multi- stage compression, role of Mach
Number, Reheat, Regeneration, Efficiency, Governance.
PAPER II
(5) Theory of Machines:
Kinematic and dynamic analysis of planer mechanisms. Cams. Gears and gear
trains. Flywheels. Governors. Balancing of rigid rotors and field balancing.
Balancing of single and multi-cylinder engines. Linear vibration analysis of
mechanical systems. Critical speeds and whirling of shafts Automatic controls.
(6) Machine Design:
Design of Joints: cotters, keys, splines, welded joints, threaded fasteners,
joints formed by interference fits. Design of friction drives: couplings and
clutches; belt and chain drives, power screws.
Design of Power transmission systems: gears and gear drives shaft and axle, wire
ropes.
Design of bearings: hydrodynamics bearings and rolling element bearings.
(7) Strength of Materials:
Stress and strain in two dimensions. Principal stresses and strains, Mohr's
construction, linear elastic materials, isotropy and anisotropy, stress-strain
relations, uniaxial loading; thermal stresses. Beams: Bending moment and shear
force diagram, bending stresses and deflection of beams. Shear stress
distribution. Torsion of shafts, helical springs. Combined stresses, thick- and
thin-walled pressure vessels. Struts and columns. Strain energy concepts arid
theories of failure.
(8) Engineering Materials:
Basic concepts on structure of solids. Crystalline materials. Defects in
crystalline materials. Alloys and binary phase diagrams. Structure and
properties of common engineering materials. Heat treatment of steels. Plastics,
Ceramics and composite materials. Common applications of various materials.
(9) Production Engineering:
Metal Forming: Basic Principles of forging, drawing and extrusion; High energy
rate forming; Powder metallurgy.
Metal Casting: Die casting, investment casting, Shall Molding, Centrifugal
Casting, Gating and Rising design; melting furnaces. Fabrication Processes:
Principles of Gas, Arc, Shielded-arc
Welding; Advanced Welding Processes, Weldability; Metallurgy of Welding.
Metal Cutting: Turning, Methods of Screw Production, Drilling, Boring, Milling,
Gear Manufacturing, Production of flat surfaces, Grinding and Finishing
Processes. Computer Controlled Manufacturing Systems-CNC, DNC, FMS, Automation
and Robotics.
Cutting Tools Materials, Tool Geometry, Mechanism of Tool Wear. Tool Life and
Machinability; Measurement of cutting forces. Economics of Machining.
Unconventional Machining Processes. Jigs and Fixtures. Fits and tolerances.
Measurement of surface texture, Comparators Alignment tests and reconditioning
of Machine Tools.
(10) Industrial Engineering:
Production Planning and Control: Forecasting-Moving average, exponential
smoothing, Operations scheduling; assembly line balancing, Product development,
Break-even analysis, Capacity planning, PERT and CPM.
Control Operations: Inventory control-ABC analysis, EOQ model, Materials
requirement planning. Job design, Job standards, Work measurement, Quality
Management quality analysis and control. Operations Research : Linear
Programming Graphical and Simplex methods, Transportation and assignment models.
Single server queuing model.
Value Engineering; Value analysis for cost/value.