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 What are the methods of laying underground cables? Draw - in - system / duct - pipe laying. Direct laying. None of these. Both A and B. Draw - in - system / duct - pipe laying. Direct laying. None of these. Both A and B. ANSWER DOWNLOAD EXAMIANS APP
Power Systems The positive sequence reactance will be equal to negative sequence if the equipment is none of these. motor. transformer and transmission lines. generator. none of these. motor. transformer and transmission lines. generator. ANSWER DOWNLOAD EXAMIANS APP
Power Systems For 66 kV lines the number of insulator discs of each 11 kV used are 12 3 6 5 12 3 6 5 ANSWER DOWNLOAD EXAMIANS APP
Power Systems Maximum efficiency of modern coal fired steam raising thermal power plants is restricted to about 035 (a low value), mainly because of low steam turbine mechanical efficiency. high energy loss in boiler. low alternative efficiency. high energy loss from turbine exhaust to condenser. low steam turbine mechanical efficiency. high energy loss in boiler. low alternative efficiency. high energy loss from turbine exhaust to condenser. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of the following represents the sag(S) of a transmission line? S = wl²/16T S = wl²/8T S = wl²/2T S = wl²/4T S = wl²/16T S = wl²/8T S = wl²/2T S = wl²/4T ANSWER DOWNLOAD EXAMIANS APP
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