Power Systems Ferranti effect occurs under half load any of the above no load full load half load any of the above no load full load ANSWER DOWNLOAD EXAMIANS APP
Power Systems The positive sequence reactance will be equal to negative sequence if the equipment is transformer and transmission lines. motor. generator. none of these. transformer and transmission lines. motor. generator. none of these. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which device is used for protection of equipment from from damage caused by overload or short circuit? circuit breaker current transformer lightning arrester CVT circuit breaker current transformer lightning arrester CVT ANSWER DOWNLOAD EXAMIANS APP
Power Systems In which of the following frequency control method tie line may be overloaded? flat frequency control All of these parallel frequency flat tie line control flat frequency control All of these parallel frequency flat tie line control 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 -0.92 0.92 -0.56 0.56 -0.92 0.92 -0.56 ANSWER DOWNLOAD EXAMIANS APP
Power Systems If the frequency is increased, then skin effect will remains unaffected any of the above decreases increases remains unaffected any of the above decreases increases ANSWER DOWNLOAD EXAMIANS APP
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