Power Systems In a short circuit test circuit breaker, time to reach the peak re-striking voltage 60 microsecond & the peak re-striking voltage 120 kV. Determine average RRRV (Rate of rise re-striking voltage)? 2 × 106 kV / sec. 3 × 106 kV / sec. 3.5 × 106 kV / sec. 1 × 106 kV / sec. 2 × 106 kV / sec. 3 × 106 kV / sec. 3.5 × 106 kV / sec. 1 × 106 kV / sec. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which one of following is employed as a moderator by CANDU type of slow thermal nuclear reactors Graphite. Water. Beryllium. Heavy water. Graphite. Water. Beryllium. Heavy water. ANSWER DOWNLOAD EXAMIANS APP
Power Systems A string type insulator has three units with self capacitance C and ground capacitance of 0.2 C having a string efficiency of 78% 80% 76% 82% 78% 80% 76% 82% ANSWER DOWNLOAD EXAMIANS APP
Power Systems Lightning arresters are made up of which material? copper silver any of the above silicon oxide copper silver any of the above silicon oxide ANSWER DOWNLOAD EXAMIANS APP
Power Systems Counter poise is used for more surge impedance less surge impedance proper discharging of lighting surges reduce losses more surge impedance less surge impedance proper discharging of lighting surges reduce losses ANSWER DOWNLOAD EXAMIANS APP
Power Systems Plug setting of a relay can be altered by varying air gap of magnetic path. adjustable back up stop. none of these. no. of ampere-turns. air gap of magnetic path. adjustable back up stop. none of these. no. of ampere-turns. ANSWER DOWNLOAD EXAMIANS APP
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