INTERNAL COMBUSTION ENGINES QUIZ

20 bar

10 bar

25 bar

35 bar

Low temperature

Long ignition delay

Low density

All of these

Diesel engines

Petrol engines

Gas turbines

Aircraft engines

Reducing the delay period

Raising the compression ratio

All of these

Increasing the inlet pressure of air

Normal heptane

Benzene

Alcohol

Iso-octane

Opens at 20° after top dead center and closes at 20° before bottom dead center

Opens at top dead center and closes at bottom dead center

May open and close anywhere

Opens at 20° before top dead center and closes at 40° after bottom dead center

Volumetric efficiency

Ignition time

Effective compression ratio

Clearance volume

Detonation

Scavenging

Supercharging

Polymerisation

Its chemical name is normal hexadecane

It has long carbon chain structure

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

All of these

30 kW four-stroke petrol engine running at 1500 r.p.m.

30 kW two-stroke diesel engine running at 750 r.p.m.

30 kW four-stroke diesel engine running at 750 r.p.m.

30 kW two-stroke petrol engine running at 1500 r.p.m.