Power Systems Find the surge impedance of a line when inductance is 160 mH and capacitance is 1µF? 160 Ω 200 Ω 400 Ω 800 Ω 160 Ω 200 Ω 400 Ω 800 Ω ANSWER DOWNLOAD EXAMIANS APP
Power Systems A buchholz relay is used for both 1 and 2 protection of a transformer against all internal faults nether 1 nor 2 protection of a transformer against all external faults both 1 and 2 protection of a transformer against all internal faults nether 1 nor 2 protection of a transformer against all external faults ANSWER DOWNLOAD EXAMIANS APP
Power Systems When reactance grounding is used in network, the voltage between neutral and ground is IR0 × Xn IN × Xn both 1 and 3 3×IR0 × Xn IR0 × Xn IN × Xn both 1 and 3 3×IR0 × Xn ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of following power plants is free from environmental problem Diesel engine. Hydroelectric. Steam. Nuclear. Diesel engine. Hydroelectric. Steam. Nuclear. ANSWER DOWNLOAD EXAMIANS APP
Power Systems What is the preferred type of circuit breaker(CB) to be installed in extra high voltage AC system? Sulphur hexafluoride CB Bulk oil type CB Vacuum CB Air blast CB Sulphur hexafluoride CB Bulk oil type CB Vacuum CB Air blast CB ANSWER DOWNLOAD EXAMIANS APP
Power Systems The draft tube is provided to increase the acting head on the water wheel. reduce the effect of water hammer. raise the water surface of the stream to create an artificial head. None of these increase the acting head on the water wheel. reduce the effect of water hammer. raise the water surface of the stream to create an artificial head. None of these ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS