Mechanical Engineering

Mechanical engineering is the discipline that applies engineering, physics, and materials science principles to design, analyze, manufacture, and maintain mechanical systems. It is the branch of engineering that involves the design, production, and operation of machinery.

Mechanical Engineering Questions and Answers (MCQ) With Topic wise



Mechanical Engineering Theory  Notes Topic Wise



Hydraulic Machines:


 


Thermodynamics:


 

  • Thermodynamics – Introduction
  • Thermodynamic System
  • Properties of a System
  • Thermal Equilibrium
  • Laws of Thermodynamics
  • Laws of Perfect Gases
  • General Gas Equation
  • Characteristic Equation of a Gas
  • Joule’s Law
  • Avogadro’s Law
  • Universal Gas Constant
  • Specific Heats of a Gas
  • Relation Between Specific Heats
  • Thermodynamic Processes of Perfect Gases
  • Constant volume (isochoric) process
  • Constant Pressure (Isobaric) Process
  • Hyperbolic process
  • Constant temperature/ isothermal process
  • Adiabatic process or isentropic process
  • Polytropic process
  • Free expansion process
  • Throttling process
  • General Laws for Expansion and Compression
  • Entropy
  • Thermodynamic Cycle
  • Classification of Thermodynamic Cycles
  • Efficiency of a Cycle
  • Carnot Cycle
  • Stirling Cycle
  • Ericsson Cycle
  • Joule Cycle
  • Otto Cycle
  • Diesel Cycle
  • Dual Combustion Cycle
  • Gas Turbines
  • Closed Cycle Gas Turbine
  • Open Cycle Gas Turbine
  • Thermal Efficiency of Ideal Gas Turbine
  • Efficiency of Gas Turbine
  • Fuels and Combustion
  • Solid Fuels
  • Liquid Fuels
  • Gaseous Fuels
  • Calorific Value of Fuels
  • Combustion of Fuels
  • Theoretical or Minimum Air Required for Complete Combustion
  • Mass of Carbon in Flue Gases
  • Mass of Excess Air Supplied

IC Engines:


 

  • IC Engines – Introduction
  • Two Stroke vs Four Stroke Engines
  • Sequence of Operations in IC Engine
  • Valve Timing Diagram of Petrol Engine
  • Valve Timing Diagram of Diesel Engine
  • Comparison of Petrol and Diesel Engines
  • Scavenging of IC Engines
  • Ignition System of Petrol Engines
  • Supercharging of IC Engines
  • Lubrication of IC Engines
  • Governing of IC Engines
  • Carburetor of an IC Engine
  • Spark Plug in IC Engines
  • Detonation or Knocking in IC Engines
  • Octane Number – Rating of S.I. Engine Fuels
  • Cetane Number – Rating of CI Engine Fuels
  • Testing of IC Engines
  • Thermodynamic Tests for I.C. Engines
  • Indicated mean effective pressure
  • Indicated power of an IC Engine
  • Brake power of IC Engine
  • Efficiency of an IC Engine

Engineering Materials:


 

  • Engineering Materials – Introduction
  • Pig Iron
  • Cast Iron
  • Wrought Iron
  • Steel
  • Alloy Steel
  • Free Cutting Steel
  • Stainless Steel
  • Structure of solids
  • Effect of grain size on mechanical properties
  • Metallography
  • Allotropic Forms of Pure Iron
  • Iron-Carbon Equilibrium Diagram
  • Heat Treatment
  • Non-ferrous metals and alloys
  • High temperature alloys
  • Metals for nuclear energy
  • Plastics

Industrial Engineering & Production Management:


 

  • Production Management – Introduction
  • Industrial Engineering – Introduction
  • Work Study
  • Symbols Used in Work Study
  • String Diagram
  • Work Measurement
  • Time Study
  • Pre-determined Motion Time System (PMTS)
  • Micromotion Study
  • Break-even Analysis
  • Wage Incentive Plans
  • Event, Activity and Critical Path
  • Program Evaluation Review Technique (PERT)
  • Critical Path Method (CPM)
  • Organization
  • Inventory Control
  • Plant layout
  • Routing, Scheduling and Dispatching
  • Linear programming

Hydraulics & Fluid Mechanics:


  • Hydraulics and Fluid Mechanics – Introduction
  • Important Terms Used in Hydraulics and Fluid Mechanics
  • Properties of Liquid
  • Pressure of a Liquid
  • Pascal’s Law
  • Atmospheric Pressure, Gauge Pressure and Absolute Pressure
  • Measurement of Pressure
  • Total Pressure and Centre of Pressure
  • Lock Gates
  • Buoyancy and buoyant force
  • Equilibrium of Floating Bodies
  • Metacentre and Metacentric Height
  • Fluid Kinematics
  • Rate of Discharge
  • Equation of Continuity
  • Types of Flows in a Pipe
  • Dynamics of Fluid
  • Different Types of Energies or Head of a Liquid in Motion
  • Bernoulli’s Equation
  • Euler’s Equation
  • Venturimeter
  • Orifice Meter and Pitot Tube
  • Momentum Equation
  • Orifice
  • Hydraulic Coefficients
  • Important Expressions used in Orifices and Mouthpieces
  • Notches and Weirs
  • Important Expressions used in Notches and Weirs
  • Pipes and Channels
  • Loss of Head due to Friction in Pipe
  • Hydraulic Gradient and Total Energy Lines
  • Pipes in Series or Compound Pipes
  • Pipes in Parallel
  • Syphon
  • Power Transmitted through the Pipe
  • Flow through Nozzle at the end of a Pipe
  • Water Hammer
  • Flow Through Open Channels
  • Most Economical Section of a Channel
  • Vortex Flow
  • Viscous Flow
  • Newton’s Law of Viscosity
  • Viscous Resistance
  • Compressible Flow of Fluids
  • Velocity of Sound Wave
  • Mach Number and its Importance
  • Stagnation Point
  • Flow Around Immersed Bodies
  • Forces Present in a Moving Liquid
  • Dimensionless Numbers


Comments