Power Systems Which of the following relays are used in protection of medium transmission lines? Mho relays any of the above Impedance relays Admittance relays Mho relays any of the above Impedance relays Admittance relays ANSWER DOWNLOAD EXAMIANS APP
Power Systems Calorific value of solid fuel is expressed as Cal / lt. Cal / gm. KCal / lt. KCal / gm. Cal / lt. Cal / gm. KCal / lt. KCal / gm. ANSWER DOWNLOAD EXAMIANS APP
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)? 1 × 106 kV / sec. 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. ANSWER DOWNLOAD EXAMIANS APP
Power Systems In a thermal power plant, which of its following components needs maximum maintenance attention Super heater. Boiler. Steam turbine. Condenser. Super heater. Boiler. Steam turbine. Condenser. ANSWER DOWNLOAD EXAMIANS APP
Power Systems A 3 layer, total diameter of an ACSR conductor is 5 cm. Find the diameter of each strand? 1 cm 5 cm 15 cm 1.5 cm 1 cm 5 cm 15 cm 1.5 cm 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, 0.8 and 1.2 pu 0.8, 0.8 and 0.8 pu 0.6, 0.6 and 1.2 pu 0.6, 0.6 and 0.6 pu 0.6, 0.8 and 1.2 pu 0.8, 0.8 and 0.8 pu 0.6, 0.6 and 1.2 pu 0.6, 0.6 and 0.6 pu ANSWER DOWNLOAD EXAMIANS APP