A. Brayton or Atkinson cycle
B Rankine cycle
C. Carnot cycle
D. Erricsson cycle
E. Joule cycle
Open cycle gas turbine works on___________________? Read More »
Compressors, Gas Turbines and Jet Engines A. pressure ratio
B. maximum cycle temperature
C. minimum cycle temperature
D. all of the above
E. none of die above
The work ratio of simple gas turbine cycle depends on_________________? Read More »
Compressors, Gas Turbines and Jet Engines A. increase
B. decrease
C. remain same
D. may increase/decrease depending on clearance volume
E. none of the above
A. centrifugal pump
B. reciprocating pump
C. turbine
D. sliding vane compressor
E. none of the above
Axial flow compressor resembles____________________ ? Read More »
Compressors, Gas Turbines and Jet Engines 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
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
A. 6 kg/cm2
B. 10 kg/cm2
C. 16 kg/cm2
D. 25 kg/cm2
E. 40 kg/cm2
A. isothermal compression
B. adiabatic compression
C. isentropic compression
D. polytropic compression
E. none of the above
The thermodynamic efficiency of rotary compressor is based on_______________? Read More »
Compressors, Gas Turbines and Jet Engines A. air stream blocking the passage
B. motion of air at sonic velocity
C. unsteady, periodic and reversed flow
D. air stream not able to follow the blade contour
E. production of no air pressure
Surging is the phenomenon of___________________? Read More »
Compressors, Gas Turbines and Jet Engines A. 1 : 1.2
B. 1 : 2
C. 1 : 5
D. 1 : 10
E. 1 : 1
