Power Systems Gross head of an hydroelectric power station is 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. 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. ANSWER DOWNLOAD EXAMIANS APP
Power Systems A thermal generating station has an installed capacity of 15 MW and supplies a daily load of 10 MW for 12 hours and 5 MW for remaining 12 hours. The plant capacity factor for the station is 0.75 0.6 1 0.5 0.75 0.6 1 0.5 ANSWER DOWNLOAD EXAMIANS APP
Power Systems Lightning arresters are used for protection of equipment from open circuits protection of equipment from short circuits protection of equipment from external lightning All of these protection of equipment from open circuits protection of equipment from short circuits protection of equipment from external lightning All of these ANSWER DOWNLOAD EXAMIANS APP
Power Systems A 3 - Φ, 33 kV oil circuit breaker is rated 1200 A, 2000 MVA, 3 s. The symmetrical breaking current is 104.8 kA. 35 kA. 1200 A. 3600 A. 104.8 kA. 35 kA. 1200 A. 3600 A. ANSWER DOWNLOAD EXAMIANS APP
Power Systems A string insulator has 4 units. The voltage across bottom most unit is 10 kV and its efficiency is 90%. Find the total operating phase voltage? 40 kV 45 kV 36 kV 32 kV 40 kV 45 kV 36 kV 32 kV ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which turbine is ideally suited to pumped storage plants Francis. Impeller. Kaplan. Pelton. Francis. Impeller. Kaplan. Pelton. ANSWER DOWNLOAD EXAMIANS APP
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