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.Management Sciences
Category: Power Generation
The effect of considering friction losses in steam nozzle for the same pressure ratio leads to________?
0
A. increase in exit velocity from the nozzle
B. decrease in exit velocity from the nozzle
C. no change in exit velocity from the nozzle
D. increase or decrease depending upon the exit quality of steam
The isentropic expansion of steam through nozzle for the steam initially dry saturated at inlet is approximated by equation?
A. pv = C
B. pv1A = C
C. pv1i = C
D. pv
In coal preparation plant, magnetic separators are used to remove___________?
A. dust
B. clinkers
C. iron particles
D. sand
The fuel used in nuclear reactor is_____________?
A. radium
B. cadmium
C. uranium
D. all of the above
Mercury is a choice with steam in binary vapour cycle because it has____________?
A. higher critical temperature and pressure
B. higher saturation temperature than other fluids
C. relatively low vapourisation pressure
D. all above
The energy radiated by sun on a bright sunny day is approximately______________?
A. 700 W/m2
B. 800 W/m2
C. 1 kW/m2
D. 2 kW/m2
Caking coals are those which__________?
A. burn completely
B. burn freely
C. do not form ash
D. form lumps or masses of coke
Diesel power plant are generally used as___________?
A. peak load plant
B. base load plant
C. standby plant
D. none of the above
(more…)
For Parson’s reaction steam turbine, degree of reaction is____________?
A. 75%
B. 100%
C. 50%
D. 60%
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