Separators in compressor installations are located_____________________?

Related Mcqs:

1. 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

2. 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

3. An air compressor may be controlled by____________________?

   A. throttle control B. clearance control
   C. blow-off control
   D. any one of the above
   E. none of the above

4. 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

5. 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

6. During base load operation, the best method of controlling compressor is ___________________?

   A. start-stop motor
   B. constant speed unloader
   C. relief valve
   D. variable speed
   E. none of the above

7. 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

8. 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

9. The ratio of outlet whirl velocity to blade velocity in case of centrifugal compressor is called__________________?

   A. slip factor
   B. velocity factor
   C. velocity coefficient
   D. blade effectiveness

10. Axial flow compressor resembles____________________ ?

    A. centrifugal pump
    B. reciprocating pump
    C. turbine
    D. sliding vane compressor
    E. none of the above