31. Normal shock waves occur in a one dimensional steady-

A. converging flow

B. diverging flow

C. supersonic flow

D. subsonic flow

Click for Answer/Explanation

Correct Answer is C

32. In an axial-flow compressor, stalling is the phenomenon of-

A. Air motion at sonic velocity

B. Airstream blocking the passage

C. The reversed flow of air

D. Airstream not following the blade contour

Click for Answer/Explanation

Correct Answer is D

33. The gas in the cooling chamber of a closed cycle gas turbine is cooled at-

A. constant volume

B. constant temperature

C. constant pressure

D. None of these

Click for Answer/Explanation

Correct Answer is C

34. The pump preferred to be used for pumping highly viscous fluids belongs to the category of-

A. screw pump

B. centrifugal pump

C. plunger pump

D. turbine pump

Click for Answer/Explanation

Correct Answer is C

35. An adjustable blade propeller turbine is called as-

A. Kaplan turbine

B. Pelton turbine

C. Francis turbine

D. Banki turbine

Click for Answer/Explanation

Correct Answer is A

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