Category: Compressors, Gas Turbines and Jet Engines

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. high thermal efficiency
B. reduction in compressor work
C. decrease of heat loss in exhaust
D. maximum work output
E. none of the above

A. liquid hydrogne
B. high speed diesel oil
C. kerosene
D. demethylated spirit
E. methyl alcohol

A. increase
B. decrease
C. remain unaffected
D. other factors control it
E. unpredictable

A. ammonia and water vapour
B. carbon dioxide
C. nitrogen
D. hydrogen
E. none of the above

A. same
B. more
C. less
D. depends on other factors
E. unpredictably

A. steam power plant
B. petrol engine
C. diesel engine’
D. solar plant
E. gas turbine plant

A. isentropic compression
B. isothermal compression
C. polytropic compression
D. any one of the above
E. none of the above

A. large discharge at high pressure
B. low discharge at high pressure
C. large discharge at low pressure
D. low discharge at low pressure
E. there is no such limitation

A. better lubrication is possible advantages of multistage
B. more loss of air due to leakage past the cylinder
C. mechanical balance is better
D. air can be cooled perfectly in between
E. more uniform torque, light cylinder and saving in work