mechanical engineering HCS mains optional syllabus
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mechanical engineering HCS mains optional syllabus

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mechanical engineering HCS mains optional syllabus

HCS Syllabus:  Mechanical Engineering HCS Mains Optional Syllabus

HPSC HCS mains optional subject syllabus

Part-I

1. Theory of machines
Kinematic and dynamic analysis of planar mechanisms. Cams, Gears and gear trains. Flywheels, Governors, Balancing of rigid rotors. Linear vibration analysis of mechanical system, (single degree and two degrees of freedom). Critical speeds and whirling of shafts. Automatics controls. Belt and chains drives.

2. Mechanics of Solids
Stress and strain in two dimensions. Principal stresses and strains. Mohr‘s circle, linear elastic materials. Stress-strain relations, uniaxial loading, thermal stresses. Beams : Bending moment and shear force diagrams, bending stresses and deflection of beams. Torsion of shafts, helical springs. Combined stresses. Thick and thin walled pressure vessels. Struts and columns. Strain energy concepts and theories of failure.

3. Engineering materials
Basic concepts on structure of solids. Crystalline materials. Defects in crystalline materials. Alloys and binary phase diagrams. Properties of common engineering materials. Heat treatment of steels. Plastics, ceramics and composite materials, common applications of various materials. Corrosion. Powder Metallurgy.

4. Manufacturing ScienceMerchant‘s force analysis. Taylor‘s tool life equation, machinability and machining economics. Rigid, small and flexible automation. NC, CNC. Recent machining methods–EDM, ECM and ultrasonics. Applications of lasers and plasmas. Jigs, fixtures, tools and gauges. inspection of length, position, profile and surface finish.

5. Manufacturing Management
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. Basic EOQ model, Materials requirement planning, Job Design, Job standards. Work measurement. Quality Management–Quality analysis and control statistical quality control. Value Engineering : Value analysis, for coat/value, Just in Time (JIT) technique, Enterprises Resources Planning (ERP). Total quality management . Project management.

Part-II

1. Thermodynamics
Basic concept, Open and closed systems, Applications of Thermodyanamic Laws. Gas equations, Clapeyron equation. Availability, Irreversibility.

2. C.I. Engines, Fuels and Combustion
Spark Ignition and compression Ignition engines, Four stroke engine and Two-stroke engines, Mechanical, thermal and volumetric efficiency, Heat balance sheet, combustion process in S.I. and C.I. engine, Choice of engine fuels, Octane and Cetane ratings, Alternate fuels. Carburration and Fuel injection. Solid, liquid and gaseous fuels, stoichometric air requirements and excess air factor, higher and lower calorific values.

3. Heat Transfer, Refrigeration and Air Conditioning
One dimensional heat conduction. Heat transfer from extended surfaces, Heat transfer by forced and free convection, Heat exchangers. Fundamentals of diffusive and convective mass transfer, Radiation laws, heat exchange between black and non-black surfaces, Network Analysis, Heat pump refrigeration cycles and systems, Condensers, evaporators and expansion devices and controls. Properties and choice of refrigerant, Refrigeration systems and components psychrometrics, cooling load calculations, solar refrigeration.

4. Turbo-Machines and Power Plants
Theory and design of axial flow turbines and compressors. Flow through turbo-machine blade, cascades, centrifugal compressors. Dimensional analysis and modelling, selection of site for steam, hydro, nuclear and stand-by power plants, selection, base and peak load power plants. Modern High pressure, High duty boilers, station and plant heat rates, operation and maintenance of various power plants, preventive maintenance, economics of power generation.