Download Free Coal India Limited MT Old Question Papers
Exam Pattern for Coal India
| Papers | Sections | No. of Questions | Time (in minutes) |
| Paper 1 | General Awareness | 25 | 25 |
| Reasoning | 25 | 25 | |
| Numerical Ability | 25 | 25 | |
| English | 25 | 25 | |
| Paper 2 | Professional Knowledge | 100 | 100 |
| Total | 200 | 200 | |
Coal India Mechanical Question paper and Solution 2017
(General Knowledge/Awareness, Reasoning, Numerical Ability and General English)
(Coal India Management Trainee Last Year Papers – Mechanical)
Coal India Mechanical Question paper and Solution 2020
Official Syllabus for the post of Mechanical (Paper 2):
Engineering Mechanics: Free-body diagrams and equilibrium; trusses
and frames; virtual work; kinematics and dynamics of particles
and of rigid bodies in plane motion; impulse and momentum
(linear and angular) and energy formulations, collisions.
Mechanics of Materials: Stress and strain, elastic constants, Poisson's
ratio; 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; energy methods; thermal stresses;
strain gauges and rosettes; testing of materials with universal
testing machine; testing of hardness and impact strength.
Theory of Machines: Displacement, velocity and acceleration analysis
of plane mechanisms; dynamic analysis of linkages; cams; gears
and gear trains; flywheels and governors; balancing of reciprocating
and rotating masses; gyroscope.
Vibrations: Free and forced vibration of single degree of freedom
systems, effect of damping; vibration isolation; resonance; critical
speeds of shafts.
Machine 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, gears, rolling and sliding contact bearings, brakes and
clutches, springs.
Fluid Mechanics: Fluid properties; fluid statics, manometry, buoyancy,
forces on submerged bodies, stability of floating bodies; control volume analysis of mass, momentum and energy; fluid acceleration;
differential equations of continuity and momentum; Bernoulli’s
equation; dimensional analysis; viscous flow of incompressible
fluids, boundary layer, elementary turbulent flow, flow through
pipes, head losses in pipes, bends and fittings.
Heat-Transfer: Modes of heat transfer; one dimensional heat
conduction, resistance concept and electrical analogy, heat transferthrough fins; unsteady heat conduction, lumped parameter system,
Heisler's charts; thermal boundary layer, dimensionless parameters
in free and forced convective heat transfer, heat transfer correlations
for flow over flat plates and through pipes, effect of turbulence; heatexchanger performance, LMTD and NTU methods; radiative heat transfer, Stefan- Boltzmann law, Wien's displacement law, black and
grey surfaces, view factors, radiation network analysis.
Thermodynamics: Thermodynamic systems and processes; properties
of pure substances, behaviour of ideal and real gases; zeroth and first
laws of thermodynamics, calculation of work and heat in various
processes; second law of thermodynamics; thermodynamic property
charts and tables, availability and irreversibility; thermodynamic
relations.
Applications: Power Engineering: Air and gas compressors; vapour and
gas power cycles, concepts of regeneration and reheat.
I.C. Engines:
Air-standard Otto, Diesel and dual cycles. Refrigeration and airconditioning: Vapour and gas refrigeration and heat pump cycles;
properties of moist air, psychrometric chart, basic psychrometric
processes.
Turbomachinery: Impulse and reaction principles,
velocity diagrams, Pelton-wheel, Francis and Kaplan turbines.
Engineering Materials: Structure and properties of engineering
materials, phase diagrams, heat treatment, stress-strain diagrams
for engineering materials.
Casting, Forming and Joining Processes: Different types of castings,
design of patterns, moulds and cores; solidification and cooling; riser
and gating design. 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. Principles of welding, brazing, soldering and adhesive
bonding.
Machining and Machine Tool Operations: Mechanics of machining;
basic machine tools; 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, 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 models; safety stock inventory control
systems.
Operations Research: Linear programming, simplex method,
transportation, assignment, network flow models, simple queuing
models, PERT and CPM.
You can buy Books :
(1) Mechanical Engineering Coal India Management Trainee Tier I & II Exam 2020 Guide
(2) Mechanical Engineering (Conventional and Objective Type) 5000+ Objective Questions with Hints - Kurmi
You can buy Books :
(1) Mechanical Engineering Coal India Management Trainee Tier I & II Exam 2020 Guide
(2) Mechanical Engineering (Conventional and Objective Type) 5000+ Objective Questions with Hints - Kurmi
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