Steam turbines commonly used in steam power station are__________?
Steam turbines commonly used in steam power station are__________?
A. condensing type
B. non-condensing type
C. none of the above
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The effect of considering friction losses in steam nozzle for the same pressure ratio leads to________?
The effect of considering friction losses in steam nozzle for the same pressure ratio leads to________?
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 steamWhich of the following power plant usually offer highest maintenance cost___________?
Which of the following power plant usually offer highest maintenance cost___________?
A. Nuclear power plants
B. Hydro-electric power plants
C. Thermal power plants
D. Diesel engine power plantPrimary air is that air which is used to_____________?
Primary air is that air which is used to_____________?
A. reduce the flame length
B. increase the flame length
C. transport and dry the coal
D. provide air around burners for get¬ting optimum combustionWhich of the following device is used to measure vacuum?
Which of the following device is used to measure vacuum?
A. Barometer
B. Hygrometer
C. U-tube manometer
D. Venturi metreIn a surface condenser if air is removed, there is___________?
In a surface condenser if air is removed, there is___________?
A. fall in absolute pressure maintained in condenser
B. rise in absolute pressure maintained in condenser
C. no change in absolute pressure in the condenser
D. rise in temperature of condensed steamIn steam turbines the reheat factor_____________?
In steam turbines the reheat factor_____________?
A. increases with the increase in number of stages
B. decreases with the increase in number of stages
C. remains same irrespective of number of stages
D. none of the above