A. before intercooler
B. after intercooler
C. after receiver
D. between after-cooler and air receiver
E. before suction
Compressors, Gas Turbines and Jet Engines
Compressors, Gas Turbines and Jet Engines
A. A.C. electric motor
B. compressed air
C. petrol engine
D. diesel engine
E. D.C. electric motor
A. employing intercooler
B. by constantly cooling the cylinder
C. by running compressor at very slow speed
D. by insulating the cylinder
E. none of the above
A. lowest
B. highest
C. anything.
D. atmospheric
E. none of the above
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
A. cool the air
B. decrease the delivery temperature for ease in handling
C. cause moisture and oil vapour to drop out
D. reduce volume
E. increase pressure
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
A. These are used to dampen pulsations ,
B. These act as reservoir to- take care of sudden demands
C. These increase compressor efficiency
D. These knock out some oil and moisture
E. These reduce frequent on/off operation of compressors
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
A. compressor efficiency
B. isothermal efficiency
C. volumetric efficiency
D. mechanical efficiency
E. adiabatic efficiency