Compressors, Gas Turbines and Jet Engines
Clearance volume in actual reciprocating compressors is essential

To accommodate Valves in the cylinder head
To provide cushioning effect and also to avoid mechanical bang of piston with cylinder head
To provide cushioning effect
To attain high volumetric efficiency

ANSWER DOWNLOAD EXAMIANS APP

Compressors, Gas Turbines and Jet Engines
Which of the following statement is correct as regard to centrifugal compressors?

The static pressure of air in the impeller increases in order to provide centripetal force on the air
The flow of air is parallel to the axis of the compressor
The impeller rotates at high speeds
The maximum efficiency is higher than multistage axial flow compressors

ANSWER DOWNLOAD EXAMIANS APP