Power Systems Gross head of an hydroelectric power station is all of above. the height of water level in the river where the storage is provided. the difference of water level between the level in storage and tail race. the height of water level in the river where the tail race is provided. all of above. the height of water level in the river where the storage is provided. the difference of water level between the level in storage and tail race. the height of water level in the river where the tail race is provided. ANSWER DOWNLOAD EXAMIANS APP
Power Systems The function of moderator in a nuclear reactor is to absorb the excess. All of these to slow down the neutrons. to increase the energy of the neutrons. to absorb the excess. All of these to slow down the neutrons. to increase the energy of the neutrons. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Main bus bar protection scheme is /are differential protection. none of these. fault bus protection. both fault bus and differential protection. differential protection. none of these. fault bus protection. both fault bus and differential protection. ANSWER DOWNLOAD EXAMIANS APP
Power Systems A transmission line has a surge impedance of 400 Ω is connected with the cable having surge impedance of 40 Ω, a surge magnitude of 100 kV is travelling from the transmission line towards the cable. Find the incident current? 250 A 2500 A 100 A 200 A 250 A 2500 A 100 A 200 A ANSWER DOWNLOAD EXAMIANS APP
Power Systems What are the tests performed for oil-filled and gas-filled cables ? Load cycle tests. Impulse tests. Thermal stability test. All of these. Load cycle tests. Impulse tests. Thermal stability test. All of these. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Maximum efficiency of modern coal fired steam raising thermal power plants is restricted to about 035 (a low value), mainly because of high energy loss from turbine exhaust to condenser. low steam turbine mechanical efficiency. high energy loss in boiler. low alternative efficiency. high energy loss from turbine exhaust to condenser. low steam turbine mechanical efficiency. high energy loss in boiler. low alternative efficiency. ANSWER DOWNLOAD EXAMIANS APP
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