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Compressors - Interview Questions and Answers

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61. Separators in compressor installations are located
A. before intercooler
B. after intercooler
C. after receiver
D. between after-cooler and air receiver
E. before suction.
Explanation:
62. The capacity of compressor will be highest when its intake temperature is
A. lowest
B. highest
C. anything.
D. atmospheric
E. none of the above.
Explanation:
63. Mining industry usually employs following motive power
A. A.C. electric motor
B. compressed air
C. petrol engine
D. diesel engine
E. D.C. electric motor.
Explanation:
64. The clearance volume of the air compressor is kept minimum because
A. it allows maximum compression to be achieved
B. it greatly affects volumetric efficiency
C. it results in minimum work
D. it permits isothermal compression
E. none of the above.
Explanation:
65. Standard air is the air at
A. atmospheric conditions at any specific location
B. 20�C and 1 kg/cm2 and relative humidity 36%
C. 0�C and standard atmospheric conditions
D. 15�C and 1 kg/cm2
E. 25�C, 1 kg/cm2 and RH of 60%.
Explanation:
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