Power Systems For 66 kV lines the number of insulator discs of each 11 kV used are 12 5 6 3 12 5 6 3 ANSWER DOWNLOAD EXAMIANS APP
Power Systems The main objectives of electrical power transmission is/are both 1 and 2 Voltage regulation of the transmission line must be zero or minimum Transmission system must be more efficient with minimum line losses nether 1 nor 2 both 1 and 2 Voltage regulation of the transmission line must be zero or minimum Transmission system must be more efficient with minimum line losses nether 1 nor 2 ANSWER DOWNLOAD EXAMIANS APP
Power Systems A hydro power plant of run off river type should be provided with pondage so that the pressure inside the turbine casing remains. kinetic energy of the running water is fully utilized. operating head is controlled. firm capacity of plant is increased. pressure inside the turbine casing remains. kinetic energy of the running water is fully utilized. operating head is controlled. firm capacity of plant is increased. 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)? 3 × 106 kV / sec. 3.5 × 106 kV / sec. 2 × 106 kV / sec. 1 × 106 kV / sec. 3 × 106 kV / sec. 3.5 × 106 kV / sec. 2 × 106 kV / sec. 1 × 106 kV / sec. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Mho relay is used for protection of long lines. none of these. medium lines. short lines. long lines. none of these. medium lines. short lines. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Lightning arresters are used for protection of equipment from external lightning All of these protection of equipment from short circuits protection of equipment from open circuits protection of equipment from external lightning All of these protection of equipment from short circuits protection of equipment from open circuits ANSWER DOWNLOAD EXAMIANS APP
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