M E Subjects – Mechanical

Engineering Concepts Simplified

Various topics of Mechanical

Engineering presented are in a

simple manner. It is based on our

vast teaching experience. Anybody

can make things complex. It is very

difficult to make a topic simple.

An attempt is there to make every

article simple to read, understand

and reproduce. Matter is from the

literature available. Matter is in small


Strength of Materials
  • Simple stresses and strains
  • Principal stresses
  • Shear Force and Bending Moment Diagrams
  • Bending stresses in beams
  • Bending and axial loading combined
  • Slope and Deflection
  • Torsion
  • Columns and Struts
  • Strain energy
  • Thin shells
  • Thick shells
  • Springs
  • Stresses in curved beams
  • Shear Stresses in beams
  • Stresses in Rotating Discs
  • Theories of elastic failure
Heat Transfer
Temperature difference causes heat transfer. Modes of heat transfer are conduction, convection and radiation. There are applications needing reduction or increase in heat transfer.
  • Introduction
  • Conduction heat transfer
  • Convection heat transfer
  • Radiation heat transfer
  • Fins heat transfer
  • Heat exchangers
  • Dimensional analysis
  • Hydrodynamic and Thermal boundary layers
  • Boiling and Condensation
Refrigeration and Air Conditioning 
  • It deals with refrigeration, comfort and industrial air conditioning. Refrigeration is lowering of temperature. It deals with preservation of life, taste and flavor. Comfort air conditioning increases human efficiency. Industrial air conditioning improves quality and quantity of products.
  • Vapor compression refrigeration
  • Gas refrigeration
  • Aircraft refrigeration
  • Vapor absorption Refrigeration
  • Expansion Valves
  • Refrigeration Equipment
  • Cooling loads
  • Psychrometry
  • Air Conditioning
  • Non- conventional refrigeration
  • Refrigerants
  Compressor converts electric energy into pressure and thermal energy. Turbine converts thermal energy into electric energy. Motor, pump, Mixi, engine, turbine are thermodynamic devices.
  • Entropy
  • Boilers
  • Thermodynamic processes
  • Vapor Power  Cycles
  • Air standard cycles
  • Internal combustion Engines
  • Availability
  • Steam
  • Compressible flow
  • Nozzles
  • Jet Propulsion
  • Laws of Thermodynamics
Fluid Mechanics
It deals with different types of fluids and flows. It deals with pressure drop and dimensional analysis.
  •  Dimensional Analysis,
  • Flow measurement
  • Laminar Flow,
  • Turbulent Flow,
  • Boundary Layer Theory
Theory of Machines
Deals with various types of motion, speed regulation, power transmission and vibrations.
  • Degrees of freedom,
  • Power transmission Belts, Chains and Gears
  • Flywheel, Governor, Balancing
  • Degrees of freedom
  • Mechanical vibrations
Engineering Drawing
Deals with expressing ones ideas in a simple, quick and convenient manner. Various types of projections help to achieve the objective.
  •  Letter writing,
  • Dimensions,
  • Scales in drawing,
  • Projections of points, lines, planes and solids
  • Isometric and orthographic projections,
  • development of surfaces,
  • Section of solids
  • Intersection of surfaces
 Internal & external engines
 All types of vehicles use internal combustion engines.
External engines are boilers which feed high pressure steam to turbines.
Different manufacturing processes produce various types of objects.
Multiple Choice Questions With Answers on Various Topics