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Gas Turbines and Jet Engines

For slow-speed large capacity compressor, following type of valve will be best suited________________?

For slow-speed large capacity compressor, following type of valve will be best suited________________?

A. poppet valve
B. mechanical valve of the corliss, sleeve, rotary or semirotary type
C. disc or feather type
D. any of the above
E. none of the above

For slow-speed large capacity compressor, following type of valve will be best suited________________? Read More »

Compressors, Gas Turbines and Jet Engines

To avoid moisture troubles, the branch connections from compressed air lines should be taken from_________________?

To avoid moisture troubles, the branch connections from compressed air lines should be taken from_________________?

A. top side of main
B. bottom side of main
C. left side of main
D. right side of main
E. any location

To avoid moisture troubles, the branch connections from compressed air lines should be taken from_________________? Read More »

Compressors, Gas Turbines and Jet Engines

To aviod moisture troubles, the compressed air main line should __________________?

To aviod moisture troubles, the compressed air main line should __________________?

A. rise gradually towards the point of use
B. drop gradually towards the point of use
C. be laid vertically
D. be laid exactly horizontally
E. none of the above

To aviod moisture troubles, the compressed air main line should __________________? Read More »

Compressors, Gas Turbines and Jet Engines

The area of actual indicator diagram on an air compressor as compared to area of ideal indicator diagram is_____________________?

The area of actual indicator diagram on an air compressor as compared to area of ideal indicator diagram is_____________________?

A. less
B. more
C. same
D. more/less depending on compressor capacity
E. unpredictable

The area of actual indicator diagram on an air compressor as compared to area of ideal indicator diagram is_____________________? Read More »

Compressors, Gas Turbines and Jet Engines

A centrifugal compressor works on the principle of__________________?

A centrifugal compressor works on the principle of__________________?

A. conversion of pressure energy into kinetic energy
B. conversion of kinetic energy into pres¬sure energy
C. centripetal action
D. generating pressure directly
E. combination of A. and D.

A centrifugal compressor works on the principle of__________________? Read More »

Compressors, Gas Turbines and Jet Engines