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