Compressors, Gas Dynamics and Gas Turbines - Data Intensity 2 Multiple Questions and Answers.




6.The inlet pressure is always __________ the discharge pressure.
A. equal to
B. less than
C. more than
D. none of above

7.In the aircraft propellers
A. the propulsive matter is ejected from within the propelled body
B. the propulsive matter is caused to flow around the propelled body
C. its functioning does not depend upon the presence of air
D. none of the above

8.The type of rotary compressor used in gas turbines, is of
A. centrifugal type
B. axial flow type
C. radial flow type
D. none of these

9.The volume of air delivered by the compressor is called
A. free air delivery
B. compressor capacity
C. swept volume
D. none of these

10.The efficiency of a jet engine is higher at
A. low speeds
B. high speeds
C. low altitudes
D. high altitudes

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