Power Systems Gross head of an hydroelectric power station is the height of water level in the river where the tail race is provided. 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. all of above. the height of water level in the river where the tail race is provided. 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. all of above. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Asynchronous tie line is a AC transmission line DC transmission line either 1 or 2 None of these AC transmission line DC transmission line either 1 or 2 None of these ANSWER DOWNLOAD EXAMIANS APP
Power Systems A thermal protection relay provides protection against what? Temperature any of the above Short circuit Over load Temperature any of the above Short circuit Over load ANSWER DOWNLOAD EXAMIANS APP
Power Systems The insulation of modern EHV is designed based on corona. switching voltage. RI. lightning voltage. corona. switching voltage. RI. lightning voltage. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of the following is low specific speed turbine? None of these Pelton Francis Kaplan None of these Pelton Francis Kaplan ANSWER DOWNLOAD EXAMIANS APP
Power Systems A transmission line has self and mutual impedances are 0.8 and 0 pu respectively. Find the positive, negative and zero sequence impedances respectively? 0.6, 0.6 and 0.6 pu 0.6, 0.6 and 1.2 pu 0.6, 0.8 and 1.2 pu 0.8, 0.8 and 0.8 pu 0.6, 0.6 and 0.6 pu 0.6, 0.6 and 1.2 pu 0.6, 0.8 and 1.2 pu 0.8, 0.8 and 0.8 pu ANSWER DOWNLOAD EXAMIANS APP