A. compressor efficiency
B. isentropic efficiency
C. Euler’s efficiency
D. pressure coefficient
E. pressure ratio
Related Mcqs:
- The ratio of isentropic work to Euler work is known as_____________________?
A. pressure coefficient
B. work coefficient
C. polytropic reaction
D. slip factor
E. compressor efficiency - The degree of reaction of an axial flow turbine is the ratio of isentropic temperature drop in a blade row to the_____________________?
A. adiabatic temperature drop in the stage
B. total temperature drop
C. total temperature drop in the stage
D. total adiabaitc temperature drop
E. difference of maximum and minimum temperature in the cycle - Euler’s equation is applicable for__________________?
A. centrifugal compressor
B. axial compressor
C. pumps
D. all of the above
E. none of the above - The efficiency and work ratio of a gas turbine plant can be increased by _____________________?
A. using mulit-stage compressor with mfercooler
B. adding heat exchanger
C. injecting water in/around combustion chamber
D. reheating the air after partial expansion in the turbine
E. all of the above - The work ratio of a gas turbine plant is defined as the ratio of__________________?
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 - In the axial flow gas turbine, the work ratio is the ratio of____________________?
A. compressor work and turbine work
B. output and input
C. actual total head tempeature drop to the isentrpic total head drop from total head inlet to static head outlet
D. actual compressor work and theoretical comprssor work
E. none of the above - Work ratio of a gas turbine plant is ratio of______________________?
A. net work output and work done by turbine
B. net work output and heat supplied
C. work done by turbine and heat supplied
D. work done by turbine and net work output
E. actual/heat drop and isentropic heat drop - The ratio of work doen per cycle to the swept volume in case of compressor is called ______________?
A. compression index
B. compression ratio
C. compressor efficiency
D. mean effective pressure
E. compressor effectiveness - The work ratio of simple gas turbine cycle depends on_________________?
A. pressure ratio
B. maximum cycle temperature
C. minimum cycle temperature
D. all of the above
E. none of die above - Work ratio of a gas turbine may be improved by f____________________?
A. decreasing the compression work
B. increasing the compression work
C. increasing the turbine work
D. decreasing the turbine work
E. A. and C. above
