Power Systems Length of short transmission line is up to 40 km any of the above 150 km 80 km 40 km any of the above 150 km 80 km ANSWER DOWNLOAD EXAMIANS APP
Power Systems A hydro power plant of run off river type should be provided with pondage so that the pressure inside the turbine casing remains. operating head is controlled. kinetic energy of the running water is fully utilized. firm capacity of plant is increased. pressure inside the turbine casing remains. operating head is controlled. kinetic energy of the running water is fully utilized. firm capacity of plant is increased. ANSWER DOWNLOAD EXAMIANS APP
Power Systems A transmission line has impedance of (0.005 + j0.05) pu. Find the line at which maximum value of negative DC off set current is produced, if it is applied with Vm sinωt? 2.63 msec 9.68 msec 4.68 msec 1.47 msec 2.63 msec 9.68 msec 4.68 msec 1.47 msec ANSWER DOWNLOAD EXAMIANS APP
Power Systems If a fault occurs on any feeder, the fault current is much lower than with unsectional bus bar. equal to unsectional bus bar. none of these. much higher than with unsectional bus bar. much lower than with unsectional bus bar. equal to unsectional bus bar. none of these. much higher than with unsectional bus bar. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of the following produces the radio interference in communication lines? electro static induction None of these electro magnetic induction both 1 and 2 electro static induction None of these electro magnetic induction both 1 and 2 ANSWER DOWNLOAD EXAMIANS APP
Power Systems When is the ferranti effect on long overhead lines experienced? The line is heavily loaded The power factor is unity The line is lightly loaded The line is fully loaded The line is heavily loaded The power factor is unity The line is lightly loaded The line is fully loaded ANSWER DOWNLOAD EXAMIANS APP
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