A. same
B. higher
C. lower
D. dependent on other factors
E. none of the above
Related Mcqs:
- For a two stage compressor* if index of compression for higher stage is greater than index of compression for lower stage, then the optimum pressure as compared to ideal case will___________________?
A. increase
B. decrease
C. remain unaffected
D. other factors control it
E. unpredictable - A compressor at high altitude will draw________________?
A. more power
B. less power
C. same power
D. more/less power depending on other factors
E. none of the above - The specific output per kg mass flow rate of a gas turbine (having fixed efficiencies of compressor and turine and fixed higher and lower temperature) with increase in pressure ratio will___________________?
A. increase first at fast rate and then slow
B. increase first at slow rate and then fast
C. decrease continuously
D. first increase, reach maximum and then decrease
E. none of the above - The area of actual indicator diagram on an air compressor as compared to area of ideal indicator diagram is_____________________?
A. less
B. more
C. same
D. more/less depending on compressor capacity
E. unpredictable - Volumetric efficiency of a compressor without clearance volume________________?
A. increases with increase in compression ratio
B. decreases with increase in compression ratio
C. is not dependent upon compressin ratio
D. may increase/decrease depending on compressor capacity
E. unpredictable - Rotary compressor is best suited for_____________________?
A. large quantity of air at high pressure
B. small quantity of air at high pressure
C. small quantity of air at low pressure
D. large quantity of air at low pressure
E. any one of the above - 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 - The volumetirc efficiency of a compressor is calculated on the basis of __________________?
A. volume of air inhaled at working conditions
B. volume of air inhaled at N.T.P. conditions
C. volume at 0°C and 1 kg/cm2
D. volume at 20°C and 1 kg/cm2
E. none of the above - Maximum delivery pressure is a rotary air compressor is of the order of__________________?
A. 6 kg/cm2
B. 10 kg/cm2
C. 16 kg/cm2
D. 25 kg/cm2
E. 40 kg/cm2 - More than one stage will be preferred for reciprocating compressor if the delivery pressure is more than____________________?
A. 2 kg/cm2
B. 6 kg/cm2
C. 10 kg/cm2
D. 14.7 kg/cm2
E. none of the above
