Power Systems If sag in an overhead line increase, tension in the line increase remains same None of these decrease increase remains same None of these decrease ANSWER DOWNLOAD EXAMIANS APP
Power Systems The rating of CB is in terms of volt - ampere. current. voltage. VAR. volt - ampere. current. voltage. VAR. 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 A thermal protection relay provides protection against what? Over load Temperature any of the above Short circuit Over load Temperature any of the above Short circuit ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of the following represents the sag(S) of a transmission line? S = wl²/2T S = wl²/8T S = wl²/4T S = wl²/16T S = wl²/2T S = wl²/8T S = wl²/4T S = wl²/16T 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. 0.2 mm. 0.4 mm. 4 mm. 2 mm. 0.2 mm. 0.4 mm. 4 mm. ANSWER DOWNLOAD EXAMIANS APP
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