Power Systems If sag in an overhead line increase, tension in the line remains same increase decrease None of these remains same increase decrease None of these ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of following power plants is free from environmental problem Steam. Nuclear. Hydroelectric. Diesel engine. Steam. Nuclear. Hydroelectric. Diesel engine. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of the following produces the radio interference in communication lines? electro static induction None of these both 1 and 2 electro magnetic induction electro static induction None of these both 1 and 2 electro magnetic induction ANSWER DOWNLOAD EXAMIANS APP
Power Systems An alternator having an induced emf of 1.6 pu is connected to an infinite bus of 1 pu. If the bus bar has reactance of 0.6 pu and alternator has reactance of 0.2 pu, what is the maximum power that can be transferred? 5 pu 2.67 pu 6 pu 2 pu 5 pu 2.67 pu 6 pu 2 pu ANSWER DOWNLOAD EXAMIANS APP
Power Systems If transmission line parameters A and B are 0.9∠0° and 200∠90° respectively. Find the shunt reactor required to compensate the ferranti effect? 750 Ω 1500 Ω 2000 Ω 3000 Ω 750 Ω 1500 Ω 2000 Ω 3000 Ω ANSWER DOWNLOAD EXAMIANS APP
Power Systems In an induction relay for a particular current setting the operating time 4 sec. When the time multiplier setting is 0.8 if the time multiplier setting is rest to 1 the operating time is 10. 1. un changed. 5. 10. 1. un changed. 5. ANSWER DOWNLOAD EXAMIANS APP
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