Mechanical Engineering - Compressors, Gas Dynamics and Gas Turbines

Exercise :: Compressors, Gas Dynamics and Gas Turbines - Section 3

46. 

Standard air is the air at __________ and relative humidity of 36 percent.

A. 0.1 bar and 20° C
B. 1 bar and 20° C
C. 0.1 bar and 40° C
D. 1 bar and 40° C

Answer: Option B

Explanation:

No answer description available for this question. Let us discuss.

47. 

In a single stage, single acting reciprocating air compressor without clearance volume, the workdone is maximum during

A. isothermal compression
B. isentropic compression
C. polytropic compression
D. none of these

Answer: Option B

Explanation:

No answer description available for this question. Let us discuss.

48. 

The compressor capacity is defined as the

A. actual volume of the air delivered by the compressor when reduced to normal temperature and pressure conditions
B. volume of air delivered by the compressor
C. volume of air sucked by the compressor during its suction stroke
D. none of the above

Answer: Option B

Explanation:

No answer description available for this question. Let us discuss.

49. 

In n1 and n2 are the indices of compression for the first and second stage of compression, then the ratio of workdone on the first and second stages (W1/W2) with perfect intercoooing is given by

A.
B.
C.
D.

Answer: Option B

Explanation:

No answer description available for this question. Let us discuss.

50. 

The operation of the reciprocating air motor is similar to reciprocating air compressor.

A. True
B. False

Answer: Option B

Explanation:

No answer description available for this question. Let us discuss.

« Prev   1 2 3 4 5 6 7 8 9 10