INTERNAL COMBUSTION ENGINES QUIZ

Chemically correct air-fuel ratio by volume

Chemically correct air-fuel ratio by weight

None of these

Actual air-fuel ratio for maximum efficiency

500-1000°C

1000-1500°C

2000-2500°C

1500-2000°C

Flow is produced due to the static head in the float chamber

The flow from the main jet is diverted to the compensating jet with increase in speed

Jet area is automatically varied depending on the suction

The diameter of the jet is constant and the discharge coefficient is invariant

Low volumetric efficiency

Low compression ratio

Minimum turbulence

High thermal efficiency and power output

Its chemical name is normal hexadecane

It is a standard fuel used for knock rating of diesel engines

It has long carbon chain structure

All of these

0.62569444444444

0.41736111111111

0.33402777777778

20 : 1 and less

Centrifugal pump

Naturally aspirated

Supercharged

Turbo charger

Same

None of these

Lower

Higher

1 - (1/rγ - 1)

1 + rγ - 1

None of these

1 - rγ - 1

To lift small quantity of water to a greater height when a large quantity of water is available at a smaller height

Store the energy of water

To lift water from deep wells

Increase the pressure of water