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Thursday, 5 January 2012

Important topics in Mechanical Engineering asked during GATE-1992

 
Metallurgy
  1. Carburization
  2. Iron Carbon diagram      
  3. True strain, Low carbon steel, forging    
Design
  1. Shear forces in riveted joint
  2. Tolerances
  3. Spherical Roller Bearing                
  4. Fatigue strength              
Machine Tools
  1. Effect of rake angle and mean friction angle       
  2. Material Removal Rate (MRR) in ultrasonic machining method   
  3. Electrodes used in Electro Chemical Machining (ECM)
  4. Horizontal machining process
  5. Types of non-conventional machining processes
Joining
  1. Current requirement in spot welding
  2. Sheet metal working
  3. Explosive welding
Casting
  1. Uniform ramming and green sand moulding
  2. Types of casting                               
Power Plant
  1. Boiler rating
Thermodynamics
  1. Steam and vapor cycle
  2. Brake thermal efficiency
CAD/CAM/CIM
  1. NC System, Point to Point machining     
Turbo machinery            
  1. Diffuser, super and sub sonic diffuser geometry              
  2. Thermal efficiency of Jet engines
Fluid Mechanics              
  1. Specific speed of rotary pump  
  2. Flow over flat plate        
Heat and mass transfer
  1. Heat transfer from insulated tip from pin fin
Refrigeration
  1. Coefficient of Performance (COP)           
Theory of Machines
  1. Instantaneous centre of rotation
Vibration
  1. Damping transmissibility                              
Mechanical Measurement
  1. Pitot tube, Mclead  Gauge, Planimeter, LVDT     
Production, Planning and Control
  1. X chart, C chart P chart


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