APPSC Government Polytechnic Lecturers Mechanical Engineering Syllabus 2012
APPSC Polytechnic Lecturers Notification 2012 has been released for filling up 138 Polytechnic Lecturers Mechanical Engineering vacancies in Government Polytechnic Colleges,Andhra Pradesh.Candidates who are desirous for Lecturer jobs in Government polytechnic colleges and satisfy eligibility criteria can apply online from 06-11-2012 to 06-12-2012. Check Paper II Polytechnic Lecturers Mechanical Engineering Syllabus for Written Examination.
Scheme/Pattern of Written Examination
|Paper-1||General Studies & Mental ability||150 Marks||150 Qns.||150 Minutes|
|Paper-2||Concerned Subject||300 Marks.||150 Qns||150 Minutes|
|PART-B: ORAL TEST (Interview)||50 marks|
Mechanical Engineering Syllabus
01. FLUID MECHANICS:
Fluid Properties, fluid static’s, Kinematics and Dynamics, Euler’s equation, sernoulli’s energy equation, flow of ideal fluids, Viscous in compressible flows – laminar flow, boundary layer,
basic features of turbulent flow, flow through pipes, fluid machinery, Specific speed and classification of fluid machines. Performance and operation of pumps, impulse and reaction
turbines, velocity triangles and degree of reaction.
02. THERMO DYNAMICS:
Thermo dynamic systems, measurements of temperature work, heat and internal energy. First law of thermodynamics, ideal gas equation Air standard cycles, Carnot, Otto, Diesel, dual and joule cycle. Energy and Enthaipy. Second law of Thermo dynamics. Available and Unavailable energies. Reversible and irriversible processes. Psychrometry, Properties of pure substances.
03. MATERIAL SCIENCE:
Structure of metal and alloys, Binding in solids. Imperfections of metals and in crystals, fracture, creep, fatigue and corrossion. Phase Rule, phase transformation diagrams and lever rule.
04. ENGINEERING MECHANICS AND STRENGTH OF MATERIALS:
Equivalent force systems, free body concepts and equations of equilibrium, frictional forces. Kinematics and dynamics of rigid bodies. Stress and strain, elastic limit, yield point and ultimate stress, shear force and bending moment diagrams for beams. Calculation of stress slope and deflection in beams, theories of failure, torsion of circular shaft, thin cylinders, equivalent bending moment for solid and hollow shafts.
05. MANUFACTURING PROCESSES:
Classification of manufacturing processes. Fundamentals of casting. Classification of casting process. Sandcasting – patterns, molding, melting and pouring solidification, cleaning and finishing casting defects. Metal forming – hot and cold working, forging, rolling extrusion, wire and tube drawing, deep drawing, blanking and stamping processes. Fundamentals of welding arc and gas welding, brazing and soldering, heat treatment – appealing – normalizing, hardening and tempering.
06. APPLIED THERMO DYNAMICS:
Internal combustion engines classification, working and performance of C.I. and S.I. engines combustion process in I.C. Engines Rating of fuels, pre ignition and knocking in I.C. Engines, Carburation and injetion, Reciprocating air compressors – Single and ;multi stage compressors, inter cooling, volumetric efficiency. Rotary Compressors – fans blowers and compressors Axial and Centrifugal compressors – merits and demerits. Boilers and condensors – types of boilers and condensors, calculation of boiler efficiency and equivalent evaporation, feed water heaters. Steam and Gas turbines Impulse and reaction turbines degree of reaction velocity triangles, ranking cycle for steam turbine power plant reheating and regeneration Gas turbine cycles methods of improving gas turbine cycle efficiency.
07. HEAT TRANSFER AND REFRIGERATION:
Modes of heat transfer, one dimensional steady and unsteady heat conduction convective heat transfer forced convection over flat plates and tubes, free convection over cylinders and flat plates radiative heat transfer-black and grey surfaces. Types of heat exchangers – heat exchanger performance LMTD and NTU methods vapor compression cycle analysis. COP; and
its estimation vapor absorption refrigeration cycle properties of refrigerators.
08. MACHINE DESIGN:
Design for static and dynamic loading fatigue strength stress concentration, factor of safety designing of bolted, riveted and welded joints, hydro dynamic lubrication, journal and roller
bearings design of spur and helical gears, clutches and breaks. Belt and rope drives Design of shafts, keys and couplings.
09. THEORY OF MACHINES:
Constrained motion, plane mechanisms, velocity acceleration analysis, Flywheel and their applications, Balancing of reciprocating and rotating masses cams and followers, Tooth profiles systems with and without damping, critical speed of shaft.
10. PRODUCTION ENGINEERING:
Metal cutting and machining types of chips, chip formation tool wear and tool life, machine ability single point and multi point cutting operations machining processes shaping, planning,
turning, milling, grinding, hobbling and drilling operating unconventional machining processes – USM, EDM, ECM and LBM. Basic features of NC Machines tools linear and angular
measurements, Comparators, limit gauges, screw and gear measurements.
11. INDUSTRIAL ENGINEERING AND MANAGEMENT:
Industrial organisations and plant layout production planning and control cost of manufacturing. Break even analysis. Time and motion study, basic linear programming and queing theory. PERT / CPM in production systems.