Power Systems Most commonly used material for insulator is mica porcelain All of these glass mica porcelain All of these glass ANSWER DOWNLOAD EXAMIANS APP
Power Systems Gross head of an hydroelectric power station is 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. 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. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Surge impedance loading of a transmission line can be increased by increasing its voltage level addition of lumped capacitance in series both 1 and 3 addition of lumped inductance in parallel increasing its voltage level addition of lumped capacitance in series both 1 and 3 addition of lumped inductance in parallel ANSWER DOWNLOAD EXAMIANS APP
Power Systems If sag in an overhead line increase, tension in the line remains same increase None of these decrease remains same increase None of these decrease ANSWER DOWNLOAD EXAMIANS APP
Power Systems Efficiency of thermal power plant can be taken as generator efficiency. product of efficiencies of all stages. turbine efficiency. efficiency of thermal cycle. generator efficiency. product of efficiencies of all stages. turbine efficiency. efficiency of thermal cycle. ANSWER DOWNLOAD EXAMIANS APP
Power Systems A transmission line has impedance of (0.005 + j0.05) pu. Find the line at which maximum value of negative DC off set current is produced, if it is applied with Vm sinωt? 9.68 msec 2.63 msec 4.68 msec 1.47 msec 9.68 msec 2.63 msec 4.68 msec 1.47 msec ANSWER DOWNLOAD EXAMIANS APP
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