Power Systems When reactance grounding is used in network, the voltage between neutral and ground is IR0 × Xn 3×IR0 × Xn IN × Xn both 1 and 3 IR0 × Xn 3×IR0 × Xn IN × Xn both 1 and 3 ANSWER DOWNLOAD EXAMIANS APP
Power Systems An over current relay, having a current setting of 125% connected to a supply circuit through a current transformer of ratio 400/5. The pick up value is 12.5 A 15 A 10 A 6.25 A 12.5 A 15 A 10 A 6.25 A ANSWER DOWNLOAD EXAMIANS APP
Power Systems A three phase, 33 kV oil circuit breaker is rated 1200 A, the symmetrical breaking capacity is 2000 MVA, 3 secs. Then the making capacity is 5200 MVA. 5100 MVA. 5000 MVA. 5500 MVA. 5200 MVA. 5100 MVA. 5000 MVA. 5500 MVA. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Hydro-graph is similar to energy load curve. load curve. mass curve. both B and C. energy load curve. load curve. mass curve. both B and C. ANSWER DOWNLOAD EXAMIANS APP
Power Systems For accurate load flow calculations on large power systems, the best method is Decoupled method All of these G-S method N-R method Decoupled method All of these G-S method N-R method ANSWER DOWNLOAD EXAMIANS APP
Power Systems The radiation shield for a nuclear power reactor for biological safety is provided by having the reactor encased thick metal wall. immersed in water pool. encased by thick concrete wall. isolated from outside word with strong magnetic field. encased thick metal wall. immersed in water pool. encased by thick concrete wall. isolated from outside word with strong magnetic field. ANSWER DOWNLOAD EXAMIANS APP
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