INTERNAL COMBUSTION ENGINES QUIZ

Run more efficiently

Not run

Run at high speed

Explode

Increase up to certain limit and then decrease

Decrease

Remain same

Increase

Indicated by 90% distillation temperature, i.e., when 90% of sample oil has distilled off

Temperature at which it solidifies or congeals

Minimum temperature to which oil is heated in order to give off inflammable vapours in sufficient quantity to ignite momentarily when brought in contact with a flame

It catches fire without external aid

Same as

Smaller than

None of the listed here

Bigger than

Double

Half

Same

Four times

Petrol only

Air only

A mixture of petrol and air

None of these

Power output

Speed

Thermal efficiency

Fuel consumption

Below

Above

Equal to

None of these

100

120

50

0

Supercharging at high altitudes is essential

Supercharging reduces knocking in diesel engines

Supercharging results in fuel economy

There can be limited supercharging in petrol engines because of detonation