Power Systems Gross head of an hydroelectric power station is the height of water level in the river where the storage is provided. the height of water level in the river where the tail race is provided. all of above. the difference of water level between the level in storage and tail race. the height of water level in the river where the storage is provided. the height of water level in the river where the tail race is provided. all of above. the difference of water level between the level in storage and tail race. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Earthing switch is used for protection of equipment from ground faults discharging residual energies measuring of safety voltage All of these protection of equipment from ground faults discharging residual energies measuring of safety voltage All of these ANSWER DOWNLOAD EXAMIANS APP
Power Systems If in a line, resistance and reactance are found to be equal and regulation is zero, then load will have zero power factor 0.707 leading power factor 0.707 lagging power factor unity power factor zero power factor 0.707 leading power factor 0.707 lagging power factor unity power factor ANSWER DOWNLOAD EXAMIANS APP
Power Systems The fact that current density is higher at the surface when compared to centre is known as All of these proximity effect skin effect carona All of these proximity effect skin effect carona ANSWER DOWNLOAD EXAMIANS APP
Power Systems A hydro power plant of run off river type should be provided with pondage so that the pressure inside the turbine casing remains. operating head is controlled. firm capacity of plant is increased. kinetic energy of the running water is fully utilized. pressure inside the turbine casing remains. operating head is controlled. firm capacity of plant is increased. kinetic energy of the running water is fully utilized. ANSWER DOWNLOAD EXAMIANS APP
Power Systems If the time of operation of a relay for unity TMS is 10 sec. the time of operation of 0.5 TMS will be _______________ secs. 7. 20. 5. 3. 7. 20. 5. 3. ANSWER DOWNLOAD EXAMIANS APP
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