A. 6 kg/cm2
B. 10 kg/cm2
C. 16 kg/cm2
D. 25 kg/cm2
E. 40 kg/cm2
Related Mcqs:
- 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 - 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 - 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 - The criterion of the thermodynamic efficiency for rotary compressor is_________________?
A. isentropic compression
B. isothermal compression
C. polytropic compression
D. any one of the above
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 - In a compressor, free air delivered is the actual volume delivered at the stated pressure reduced to ____________________?
A. N.T.P. conditions
B. intake temperature and pressure conditions
C. 0°C and 1 kg/cm2
D. 20°C and 1 kg/cm2
E. none of the above - A centrifugal compressor works on the principle of__________________?
A. conversion of pressure energy into kinetic energy
B. conversion of kinetic energy into pres¬sure energy
C. centripetal action
D. generating pressure directly
E. combination of A. and D. - Atmospheric pressure is 1.03 kg/cm and vapour pressure is 0.03 kg/cm . The air pressure will be_____________________ ?
A. 1.03 kg/cm2
B. 1.06 kg/cm2
C. 1.00 kg/cm2
D. 0.53 kg/cm2
E. 0.5 kg/cm2 - Air-fuel ratio in a jet engine will be of the order of__________________?
A. 10: 1
B. 15: 1
C. 20 : 1
D. 60 : 1
E. 100 : - The pressure ratio in gas turbines is of the order of__________________?
A. 2:l
b. 4:1
C. 61: 1
D. 9 : 1
E. 12:1.
