Power Systems The insulation resistance of the 20 km long underground cable is 8 MΩ. Other things being same, the insulation resistance of 10 km long cable will be 8 MΩ 32 MΩ 4 MΩ 16 MΩ 8 MΩ 32 MΩ 4 MΩ 16 MΩ ANSWER DOWNLOAD EXAMIANS APP
Power Systems Frequencies must be same in which of the following line to exchange the power from one place to other place ? Synchronous line Asynchronous line both 1 and 2 No need of same frequency for exchange of power Synchronous line Asynchronous line both 1 and 2 No need of same frequency for exchange of power ANSWER DOWNLOAD EXAMIANS APP
Power Systems The overall efficiency of a steam power plant equal to product of boiler efficiency, turbine efficiency and generator efficiency. the Rankine cycle. binary vapor cycle. regenerative cycle. product of boiler efficiency, turbine efficiency and generator efficiency. the Rankine cycle. binary vapor cycle. regenerative cycle. ANSWER DOWNLOAD EXAMIANS APP
Power Systems For symmetrical network, the neutral current is any of the above zero maximum infinity any of the above zero maximum infinity ANSWER DOWNLOAD EXAMIANS APP
Power Systems A transmission line has surge impedance of 400 Ω, operating at Vs = Vr = 400 kV line is compensated with a shunt capacitance of 30%. The line is connected to a generator delivering 200 MW. Find the load angle with out and with compensation respectively? 30° and 26° 30° and 45° 26° and 30° 45° and 26° 30° and 26° 30° and 45° 26° and 30° 45° and 26° ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of the following is/are the effects of corona power loss decreases All of these interference decreases charging current increases power loss decreases All of these interference decreases charging current increases ANSWER DOWNLOAD EXAMIANS APP
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