Today we are providing the Question paper of Junior Engineer (MECHANICAL ENGINEERING) of Himachal Pradesh Subordinate Services Selection Board Hamirpur . Here the candidates can download JE (Mechanical) 2015 question paper which will help the candidates to prepare for the next JE (Mechanical) exam.
Contractual emoluments Rs. 14,100/-P.M
appointment in the peculiar conditions prevailing in the Pradesh.
The applicant should be between 18 to 45 years . Upper age limit is relaxable by five years for candidates belonging to Scheduled Caste, Scheduled Tribe and Other Backward Classes, Persons with disabilities & Children/Grand Children of Freedom Fighters of Himachal Pradesh. The upper age relaxation is also available to Ex-servicemen candidates of H.P. as per provision of relevant rules/instructions of H.P. Govt.
. Objective type screening test (MCQ) of syllabus of Diploma/Degree of stream concerned
General Knowledge including General Knowledge of Himachal Pradesh, Current Affairs,
Everyday Science, Logic, General English & General Hindi of Metric standard. = 200 Marks
Interview of those who qualify objective type screening test. = 30 Marks
Engineering Mechanics: Free body diagrams and equilibrium; trusses and frames; virtual work;
kinematics and dynamics of particles and of rigid bodies in plane motion, including impulse and
momentum (linear and angular) and energy formulations; impact.
Strength of Materials: Stress and strain, stress-strain relationship and elastic constants, Mohr’s
circle for plane stress and plane strain, thin cylinders; shear force and bending moment diagrams;
bending and shear stresses; deflection of beams; torsion of circular shafts; Euler’s theory of
columns; strain energy methods; thermal stresses.
Theory of Machines: Displacement, velocity and acceleration analysis of plane mechanisms;
dynamic analysis of slider-crank mechanism; gear trains; flywheels.
Vibrations: Free and forced vibration of single degree of freedom systems; effect of damping;
vibration isolation; resonance, critical speeds of shafts.
Design: Design for static and dynamic loading; failure theories; fatigue strength and the S-N
diagram; principles of the design of machine elements such as bolted, riveted and welded joints,
shafts, spur gears, rolling and sliding contact bearings, brakes and clutches.
Fluid Mechanics: Fluid properties; fluid statics, manometry, buoyancy; control-volume analysis
of mass, momentum and energy; fluid acceleration; differential equations of continuity and
momentum; Bernoulli’s equation; viscous flow of incompressible fluids; boundary layer;
elementary turbulent flow; flow through pipes, head losses in pipes, bends etc.
Heat-Transfer: Modes of heat transfer; one dimensional heat conduction, resistance concept,
electrical analogy, unsteady heat conduction, fins; dimensionless parameters in free and forced
convective heat transfer, various correlations for heat transfer in flow over flat plates and through
pipes; thermal boundary layer; effect of turbulence; radiative heat transfer, black and grey
surfaces, shape factors, network analysis; heat exchanger performance, LMTD and NTU
methods.
Thermodynamics:Zeroth, First and Second laws of thermodynamics; thermodynamic system
and processes; Carnot cycle.irreversibility and availability; behaviour of ideal and real gases,
properties of pure substances, calculation of work and heat in ideal processes; analysis of
thermodynamic cycles related to energy conversion.
Applications:Power Engineering: Steam Tables, Rankine, Brayton cycles with regeneration and
reheat. I.C. Engines: air-standard Otto, Diesel cycles. Refrigeration and air-conditioning:
Vapour refrigeration cycle, heat pumps, gas refrigeration, Reverse Brayton cycle; moist air:
psychrometric chart, basic psychrometric processes. Turbo machinery:Pelton-wheel, Francis and
Kaplan turbines — impulse and reaction principles, velocity diagrams.
Engineering Materials: Structure and properties of engineering materials, heat treatment, stress strain diagrams for engineering materials.
Metal Casting: Design of patterns, moulds and cores; solidification and cooling; riser and gating
design, design considerations.
Forming: Plastic deformation and yield criteria; fundamentals of hot and cold working
processes; load estimation for bulk (forging, rolling, extrusion, drawing) and sheet (shearing,
deep drawing, bending) metal forming processes; principles of powder metallurgy.
Joining: Physics of welding, brazing and soldering; adhesive bonding; design considerations in
welding.
Machining and Machine Tool Operations: Mechanics of machining, single and multi-point
cutting tools, tool geometry and materials, tool life and wear; economics of machining; principles of non-traditional machining processes; principles of work holding, principles of design of jigs and fixtures.
Metrology and Inspection: Limits, fits and tolerances; linear and angular measurements;
comparators; gauge design; interferometry; form and finish measurement; alignment and testing
methods; tolerance analysis in manufacturing and assembly.
Computer Integrated Manufacturing: Basic concepts of CAD/CAM and their integration
tools.
Production Planning and Control: Forecasting models, aggregate production planning,
scheduling, materials requirement planning.
Inventory Control: Deterministic and probabilistic models; safety stock inventory control
systems.
Operations Research: Linear programming, simplex and duplex method, transportation,
assignment, network flow models, simple queuing models, PERT and CPM.
