The pressure ratio for an open cycle gas turbine compared to closed cycle gas turbine of same h.p. is_______________?
A. low
B. high
C. same
D. low/high depending on make and type
E. unpredictable
A. low
B. high
C. same
D. low/high depending on make and type
E. unpredictable
A. net work output and heat supplied (6) net work output and work done by tur¬bine
C. actual heat drop and isentropic heat drop
D. net work output and isentropic heat drop
E. isentropic increase/drop in tempera¬ture and actual increase/ drop in temperature
The work ratio of a gas turbine plant is defined as the ratio of__________________? Read More »
Compressors, Gas Turbines and Jet Engines 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
Rotary compressors are suitable for ____________________? Read More »
Compressors, Gas Turbines and Jet Engines A. Brayton or Atkinson cycle
B. Carnot cycle
C. Rankine cycle
D. Erricsson cycle
E. Joule cycle
Gas turbine works on______________? Read More »
Compressors, Gas Turbines and Jet Engines A. Brayton or Atkinson cycle
B. Carnot cycle
C. Rankine cycle
D. Erricsson cycle
E. Joule cycle
Gas turbine works on_______________? Read More »
Compressors, Gas Turbines and Jet Engines A. increases
B. decreases
C. remains constant
D. first decreases and then increases
E. unpredictable
A. same as isothermal
B. same as adiabatic
C. better than isothermal and adiabatic
D. in between isothermal and adiabatic
E. none of the above
Actual compression curve is___________________? Read More »
Compressors, Gas Turbines and Jet Engines A. pressure ratio
B. pressure coefficient
C. degree of reaction
D. slip factor
E. stage factor
Pick up wrong statement ?
A. mass flow rate
B. pressure ratio
C. change in load
D. stagnation pressure at the outlet
E. all of the above
Surging phenomenon in centrifugal com-pressor depends on ___________________? Read More »
Compressors, Gas Turbines and Jet Engines A. to supply base load requirements
B. to supply peak load requirements
C. to enable start thermal power plant
D. in emergency
E. when other sources of power fail
Gas turbines for power generaion are normally used___________________? Read More »
Compressors, Gas Turbines and Jet Engines