Power Systems Buchholz relay is used for protection of alternator. transformer. none of these. bus bar. alternator. transformer. none of these. bus bar. ANSWER DOWNLOAD EXAMIANS APP
Power Systems A 3-phase breaker is rated at 2000 MVA, 33 kV, its making current will be 49 kVA. 70 kVA. 89.22 kVA. 35 kVA. 49 kVA. 70 kVA. 89.22 kVA. 35 kVA. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Surge impedance loading of a line is increased by which of the following compensation methods? shunt reactor both 1 and 2 shunt capacitor series capacitor shunt reactor both 1 and 2 shunt capacitor series capacitor ANSWER DOWNLOAD EXAMIANS APP
Power Systems A 3 - Φ, 33 kV oil circuit breaker is rated 1200 A, 2000 MVA, 3 s. The symmetrical breaking current is 35 kA. 3600 A. 104.8 kA. 1200 A. 35 kA. 3600 A. 104.8 kA. 1200 A. 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. None of these raise the water surface of the stream to create an artificial head. increase the acting head on the water wheel. reduce the effect of water hammer. None of these raise the water surface of the stream to create an artificial head. ANSWER DOWNLOAD EXAMIANS APP
Power Systems The ABCD constants of a 3-phase transmission line are A = D = 0.8∠1°, B = 170∠85° Ω , C = 0.002∠90.4° ℧. The sending end voltage is 400 kV. The receiving end voltage under no load condition is 350 kV 500 kV 600 kV 400 kV 350 kV 500 kV 600 kV 400 kV ANSWER DOWNLOAD EXAMIANS APP
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