Power Systems A 3-phase breaker is rated at 2000 MVA, 33 kV, its making current will be 70 kVA. 35 kVA. 49 kVA. 89.22 kVA. 70 kVA. 35 kVA. 49 kVA. 89.22 kVA. ANSWER DOWNLOAD EXAMIANS APP
Power Systems If sag in an overhead line increase, tension in the line None of these decrease increase remains same None of these decrease increase remains same ANSWER DOWNLOAD EXAMIANS APP
Power Systems Corona is accompanied by hissing sound power loss and interference All of these violet visible light hissing sound power loss and interference All of these violet visible light ANSWER DOWNLOAD EXAMIANS APP
Power Systems A 100 MVA alternator operating at full load at 50 Hz. H = 4 MWsec/MVA, Td = 0.5 sec. One of the transmission line is tripped. So that output of generator is reduced to 70 MW. Find the frequency deviation during this time? -0.56 0.56 -0.92 0.92 -0.56 0.56 -0.92 0.92 ANSWER DOWNLOAD EXAMIANS APP
Power Systems The conductor carries more current on surface as compared to core. This is called as unsymmetrical fault All of these corona effect skin effect unsymmetrical fault All of these corona effect skin effect ANSWER DOWNLOAD EXAMIANS APP
Power Systems A CANDU reactor uses enriched uranium as fuel and ordinary water as moderator and cooler. highly enriched uranium as fuel and water as moderator and coolant. only fertile materials. natural uranium as fuel and heavy water as moderator and coolant. enriched uranium as fuel and ordinary water as moderator and cooler. highly enriched uranium as fuel and water as moderator and coolant. only fertile materials. natural uranium as fuel and heavy water as moderator and coolant. ANSWER DOWNLOAD EXAMIANS APP
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