Power Systems If the inertia constant H = 10 MJ/MVA for a 50 MVA generator, the stored energy is 50 MJ 10 MJ 5 MJ 500 MJ 50 MJ 10 MJ 5 MJ 500 MJ ANSWER DOWNLOAD EXAMIANS APP
Power Systems A fuse wire of circular cross-section has a radius of 0.8 mm. The wire blows off at an current of 8 Amp. Calculate the radius of wire that will blow off at an current of 1 amp? 2 mm. 0.4 mm. 4 mm. 0.2 mm. 2 mm. 0.4 mm. 4 mm. 0.2 mm. ANSWER DOWNLOAD EXAMIANS APP
Power Systems A string insulator has 4 units. The voltage across bottom most unit is 10 kV and its efficiency is 90%. Find the total operating phase voltage? 40 kV 45 kV 36 kV 32 kV 40 kV 45 kV 36 kV 32 kV ANSWER DOWNLOAD EXAMIANS APP
Power Systems NTPC (National Thermal Power Cooperation) has its only thermal power generating unit in West Bengal at Katwa. Bakreshwar. Durgapur. Farakka. Katwa. Bakreshwar. Durgapur. Farakka. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Main bus bar protection scheme is /are fault bus protection. both fault bus and differential protection. differential protection. none of these. fault bus protection. both fault bus and differential protection. differential protection. none of these. ANSWER DOWNLOAD EXAMIANS APP
Power Systems A three phase, 33 kV oil circuit breaker is rated 1200 A, 2000 MVA, 3 secs. The symmetrical breaking current is 55 kA. 45 kA. 35 kA. 50 kA. 55 kA. 45 kA. 35 kA. 50 kA. ANSWER DOWNLOAD EXAMIANS APP
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