INTERNAL COMBUSTION ENGINES QUIZ

For the same compression ratio

Compression ratio has nothing to do with efficiency

Otto cycle is more efficient than the Diesel

Both Otto and Diesel cycles are, equally efficient

Diesel cycle is more efficient than Otto

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YOUR ANSWER : ?

Which of the following does not relate to a compression ignition engine?

Governor

Carburettor

Fuel pump

Fuel injector

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As compared to air standard cycle, in actual working, the effect of variation in specific heats is to

Increase maximum pressure and maximum temperature

Decrease maximum pressure and increase maximum temperature

Reduce maximum pressure and maximum temperature

Increase maximum pressure and decrease maximum temperature

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Morse test can be conducted for

Petrol engines

Multi cylinder engines

Diesel engines

All of the listed here

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The air standard efficiency of an I.C. engine depends on

Fuel used

Speed of engine

None of these

Compression ratio

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A 75 cc engine has following parameter as 75 cc

Lube oil capacity

Swept volume

Cylinder volume

Fuel tank capacity

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Thermal efficiency of a two stroke cycle engine is ___ a four stroke cycle engine.

Equal to

None of the listed here

Greater than

Less than

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For the same power developed in I.C. engines, the cheaper system is

Naturally aspirated

Supercharged

Turbo charger

Centrifugal pump

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The size of inlet valve of an engine in comparison to exhaust valve is

Less

Same

More

More/less depending on capacity of engine

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Gaseous fuel guarantees are based on

High heat value of oil

Mean heat value of oil

Low heat value of oil

Calorific value of oil

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