A. diesel engines
B. gas turbines
C. petrol engines
D. aircraft engines
E. marine engines
Supercharging is essential in_____________? Read More »
I.C. Engines A. increase efficiency
B. increase power
C. reduce weight and bulk for a given out-put
D. effect fuel economy
E. none of the above
The reason for supercharging in any engine is to________________? Read More »
I.C. Engines A. equal to stroke volume
B. equal to stroke volume and clearance volume
C. less than stroke volume
D. more than stroke volume
E. more than cylinder volume
A. higher
B. lower
C. remain unaffected
D. unpredictable
E. none of the above
Which of the following is false statement?
A. piston ring and cylinder wear
B. formation of hard coating on piston skirts
C. oil sludge in the engine crank case
D. detonation
E. forms corrosive acids
A. more
B. less
C. same
D. more/less depending on capacity of engine
E. varies from design to design
The size of inlet valve of.an engine in comparison to exhaust valve is_________________? Read More »
I.C. Engines A. same
B. more
C. less
D. less or more depending on operating conditions
E. unpredictable
A. is lighter
B. wears less
C. absorbs shocks
D. is stronger
E. does not react with fuel and lub oil
Engine pistons ‘are usually made of aluminium alloy because it_________________? Read More »
I.C. Engines A. same
B. less
C. more
D. variable
E. more/less depending on engine capacity.
A. larger
B. slowed down
C. smaller
D. liquid
E. gaseous
