Category: Compressors, Gas Turbines and Jet Engines

A. 2-stroke engine
B. 4-stroke petrol engine
C. 4-stroke diesef engine
D. multi-cylinder engine
E. gas turbine

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

A. as large as possible
B. as small as possible
C. about 50% of swept volume
D. about 100% of swept volume
E. none of the above

A. control temperature
B. control output of turbine
C. control fire hazards
D. increase efficiency
E. it is never done

A. gauge discharge pressure to the gauge intake pressure
B. absolute discharge pressure to the ab-solute intake pressure
C. pressures at discharge and suction cor-responding to same temperature
D. stroke volume and clearance volume
E. none of the above

A. 0.5 kg
B. 1.0 kg
C. 1.3 kg
D. 2.2 kg
E. 3.2 kg

A. inlet losses
B. impeller channel losses
C. diffuser losses
D. all of the above
E. none of the above

A. isentropic
B. isothermal
C. polytropic
D. somewhere in between isentropic and isothermal
E. none of the above

A. compressor pressure ratio
B. highest pressure to exhaust pressure
C. inlet pressure to exhaust pressure
D. pressures across the turbine
E. none of the above

A. less
B. more
C. same
D. may be less or more depending on ambient conditons
E. unpredictable