INTERNAL COMBUSTION ENGINES QUIZ

1000°C

2000°C

250°C

500°C

Piston ring and cylinder wear

Detonation

Formation of hard coating on piston skirts

Oil sludge in the engine crank case

No

Unpredictable

To some extent

Yes

10 bar

150 bar

100 bar

500 bar

Calorific value

All of these

Cetane number

Octane number

Providing forced cooling air

Supplying the intake of an engine with air at a density greater than the density of the surrounding atmosphere

Injecting excess fuel for raising more loads

Supplying compressed air to remove combustion products fully

Expansion, compression, suction and exhaust

Compression, expansion, suction and exhaust

Suction, compression, expansion and exhaust

Suction, expansion, compression and exhaust

0.15

0.5

0.3

0.7

Napthene

Tetra ethyl lead

Amyl nitrate

Hexadecane

Remain same

Decrease

Increase

None of these