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. 3.5 × 106 kV / sec. 3 × 106 kV / sec. 1 × 106 kV / sec. 2 × 106 kV / sec. 3.5 × 106 kV / sec. 3 × 106 kV / sec. 1 × 106 kV / sec. ANSWER DOWNLOAD EXAMIANS APP
Power Systems An over current relay, having a current setting of 125% connected to a supply circuit through a current transformer of ratio 400/5. The pick up value is 6.25 A 15 A 12.5 A 10 A 6.25 A 15 A 12.5 A 10 A ANSWER DOWNLOAD EXAMIANS APP
Power Systems Transmission line parameters of the short transmission line are 1,Z,Y,1 1,0,Y,1 Z,0,Y,1 1,Z,0,1 1,Z,Y,1 1,0,Y,1 Z,0,Y,1 1,Z,0,1 ANSWER DOWNLOAD EXAMIANS APP
Power Systems A pin type insulator has 100 kV puncture voltage. If 10 kV flash over voltage occurred in a transmission line, then find the safety factor of insulator? 0.001 0.1 10 1000 0.001 0.1 10 1000 ANSWER DOWNLOAD EXAMIANS APP
Power Systems Surge impedance loading can be increased by increasing of capacitance value increasing of voltage level both 1 and 2 increasing of inductance value increasing of capacitance value increasing of voltage level both 1 and 2 increasing of inductance value ANSWER DOWNLOAD EXAMIANS APP
Power Systems With reference to hydrometer station, the graphical representation of the discharge as function of time is known as Monograph. Hydro-graph. Hectograph. Load duration curve. Monograph. Hydro-graph. Hectograph. Load duration curve. ANSWER DOWNLOAD EXAMIANS APP
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