In a diesel engine
1. Fuel injection pump is used
2. Fuel injection pump and carburettor is used
3. Fuel injector is used
4. Neither fuel injection pump nor injector is used

Engine is a device, which converts

A. Mechanical energy into heat energy

B. Heat energy into mechanical energy

C. Mechanical energy into sound energy

D. None of the above

Two-stroke engine is . . . . . . . . engine.

A. Water cooled

B. Air cooled

C. Oil cooled

D. None of these

Engines are:

A. 1 : 4 - 1 : 10

B. 1 : 12 - 1 : 22

C. 3 : 5 - 5 : 10

D. 5: 12 - 5: 22

Another name of diesel engine is

A. High volume combustion engine

B. Low volume combustion engine

C. Constant volume combustion engine

D. No volume combustion engine