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Question

The compressor can deliver maximum theoretical volume of air known as :

A.

Swept volume + clearance volume

B.

Free volume 

C.

Total volume

D.

Swept volume

Answer ( Option D)

Swept volume

Solution

A compressor during its suction stroke, has its piston displacing from top dead center to bottom dead center delivering maximum theoretical volume of air, which is also termed as swept volume.

Hence, the correct option is (D).

&Key Points:-

In real working condition, a compressor delivers actual volume which is lesser than swept volume. It is because in exhaust stroke, due to high temperature and pressure inside the cylinder, there is delay in valve opening.

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