A. standard air
B. free air
C. compressed air
D. compressed air at delivery pressure
E. air sucked
Related Mcqs:
- The compressor capacity with decrease in suction temperature_________________?
A. increases
B. decreases
C. remains unaffected
D. may increase or decrease depending on compressor capacity
E. increases upto certain limit and then decreases - 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 - For slow-speed large capacity compressor, following type of valve will be best suited________________?
A. poppet valve
B. mechanical valve of the corliss, sleeve, rotary or semirotary type
C. disc or feather type
D. any of the above
E. none of the above - The overall isothermal eiffciency of compressor is defined as the ratio of_______________?
A. isothermal h.p. to the BHP of motor
B. isothermal h.p. to adiabatic h.p.
C. power to drive compressor to isothermal h.p.
D. work to compress air isothermally to work for actual compression
E. isothermal work to ideal work - An ideal air compressor cycle without clearance on p-v diagram can be represented by following processes________________?
A. one adiabatic, two isobaric, and one constant volume
B. two adiabatic and two isobaric
C. two adiabatic, one isobaric and one constant volume
D. one adiabatic, one isobaric and two constant volume
E. two isobaric, two adiabatic and one constant volume - An ideal air compressor cycle with clearance on p-v diagram can be represented by following processes_______________?
A. one adiabatic, two isobaric, and one constant volume
B. two adiabatic and two isobaric
C. two adiabatic, one isobaric and one constant volume,
D. one adiabatic, one isobaric and two constant volume
E. two isobaric, two adiabatic and one constant volume - Volumetric efficiency of a compressor with clearance volume ________________?
A. increases with increase in compression ratio
B. decreases with increase in compression ratio
C. in not dependent upon compression ratio
D. may increase/decrease depending on compressor capacity
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 - For supplying intermittent small quantity of air at high pressure, following compressor is best suited__________________?
A. centrifugal
B. reciprocating
C. axial
D. screw
E. turbo jet - The thermodynamic efficiency of rotary compressor is based on_______________?
A. isothermal compression
B. adiabatic compression
C. isentropic compression
D. polytropic compression
E. none of the above
