ENERGY AND POWER QUIZ

[2(V₀/V₁)]/ [1 + (V₀/V₁)²]

(V₀/V₁)/ [1 + (V₀/V₁)²]

V₀/(V₀ + V₁)

V₁/(V₀ + V₁)

Greater than

Less than

None of the listed here

Equal to

Inlet valve closing after bottom dead center

Inlet valve closing before bottom dead center

Exhaust valve closing after top dead center

Inlet valve opening before top dead center

Supercharging

Feeding more fuel

Scavenging

Heating incoming air

Decrease

Increase up to certain limit and then decrease

Increase

Remain same

0.25 kg

0.3 kg

0.2 kg

0.15 kg

Forced air for cooling cylinder

Air used for forcing burnt gases out of engine's cylinder during the exhaust period

Burnt air containing products of combustion

Air used for combustion sent under pressure

Highly ignitable

More difficult to ignite

None of these

Less difficult to ignite

To determine the information, which cannot be obtained by calculations

All of these

To conform the data used in design, the validity of which may be doubtful

To satisfy the customer regarding the performance of the engine

120

100

50