Power Systems Which of the following rotor is used in thermal power plants? cylindrical rotor squirrel cage rotor either of these salient pole rotor cylindrical rotor squirrel cage rotor either of these salient pole rotor ANSWER DOWNLOAD EXAMIANS APP
Power Systems Range of accelerating factor is 1 to 10 1.6 to 1.8 50 to 100 10.8 to 11.2 1 to 10 1.6 to 1.8 50 to 100 10.8 to 11.2 ANSWER DOWNLOAD EXAMIANS APP
Power Systems If the conductor diameter decreases, inductance of the line, decreases increases remains unaffected None of these decreases increases remains unaffected None of these ANSWER DOWNLOAD EXAMIANS APP
Power Systems Advantages of per unit system is/are All of these No units for any quantity It has units for all quantities Need of transformation ratio All of these No units for any quantity It has units for all quantities Need of transformation ratio ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of following power plants is free from environmental problem Diesel engine. Hydroelectric. Nuclear. Steam. Diesel engine. Hydroelectric. Nuclear. Steam. 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)? 3.5 × 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. 2 × 106 kV / sec. ANSWER DOWNLOAD EXAMIANS APP