Open cycle gas turbine works on___________________? A. Brayton or Atkinson cycle B Rankine cycle C. Carnot cycle D. Erricsson cycle E. Joule cycle

The work ratio of simple gas turbine cycle depends on_________________? A. pressure ratio B. maximum cycle temperature C. minimum cycle temperatureD. all of the above E. none of die above

The vloumetric efficiency of compressor with increase in compression ratio will ___________________? A. increaseB. decrease C. remain same D. may increase/decrease depending on clearance volume E. none of the above

Axial flow compressor resembles____________________ ? A. centrifugal pump B. reciprocating pumpC. turbine D. sliding vane compressor E. none of the above

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/cm2C. 1.00 kg/cm2 D. 0.53 kg/cm2 E. 0.5 kg/cm2

Axial flow compressor has the following advantage over centrifugal compressor__________________? A. larger air handling ability per unit frontal area B. higher pressure ratio per stage C. aerofoil blades are used D. higher average velocities E. none of the above

Maximum delivery pressure is a rotary air compressor is of the order of__________________? A. 6 kg/cm2B. 10 kg/cm2 C. 16 kg/cm2 D. 25 kg/cm2 E. 40 kg/cm2

The thermodynamic efficiency of rotary compressor is based on_______________? A. isothermal compressionB. adiabatic compression C. isentropic compression D. polytropic compression E. none of the above

Surging is the phenomenon of___________________? A. air stream blocking the passage B. motion of air at sonic velocityC. unsteady, periodic and reversed flow D. air stream not able to follow the blade contour E. production of no air pressure

The maximum compression ratio in an actual single stage axial flow comperssor is of the order of________________? A. 1 : 1.2 B. 1 : 2 C. 1 : 5 D. 1 : 10 E. 1 : 1