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ME Set-1
Compressors Gas dynamics and Gas Turbines
25

Compressors Gas dynamics and Gas Turbines MCQ with Answers

25) The efficiency of a jet engine is higher at

low speeds

high speeds

low altitudes

high altitudes

Answer is:

high altitudes

Compressors Gas dynamics and Gas Turbines MCQ with Answers

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Related Compressors Gas dynamics and Gas Turbines MCQ with Answers

26) In axial flow compressor, exit flow angle deviation from the blade angle is a function of

blade camber

blade camber and incidence angle

space-chord ratio

blade camber and space-chord ratio

Answer is:

blade camber and incidence angle

27) Rotary compressors are used for delivering

small quantities of air at high pressures

large quantities of air at high pressures

small quantities of air at low pressures

large quantities of air at low pressures

Answer is:

large quantities of air at low pressures

28) Workdone by a two-stage reciprocating air compressor per cycle is equal to the workdone in LP. cylinder and H.P. cylinder.

Right

Wrong

Answer is:

Right

29) A rotary compressor is driven by an

electric motor

engine

either (a) or (b)

none of these

Answer is:

either (a) or (b)

Compressors Gas dynamics and Gas Turbines MCQ with Answers

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