Power Systems The most commonly used material for insulators of overhead lines is mica porcelain PVC glass mica porcelain PVC glass ANSWER DOWNLOAD EXAMIANS APP
Power Systems A hydro power plant of run off river type should be provided with pondage so that the operating head is controlled. pressure inside the turbine casing remains. kinetic energy of the running water is fully utilized. firm capacity of plant is increased. operating head is controlled. pressure inside the turbine casing remains. kinetic energy of the running water is fully utilized. firm capacity of plant is increased. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Skin effective is more in case of same in both cases power lines communication lines None of these same in both cases power lines communication lines None of these ANSWER DOWNLOAD EXAMIANS APP
Power Systems Where air circuit breakers are used? Up to 12 kV. Up to 66 kV. Up to 11 kV. Up to 33 kV. Up to 12 kV. Up to 66 kV. Up to 11 kV. Up to 33 kV. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of the following is an impulse turbine Kaplan turbine. Francis turbine. Pelton turbine. None of above. Kaplan turbine. Francis turbine. Pelton turbine. None of above. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Capacitance voltage transformer ( CVT ) is used to reduce losses in a transmission line. improve the power factor of the transmission. connect instruments on the LT side. none of these. reduce losses in a transmission line. improve the power factor of the transmission. connect instruments on the LT side. none of these. ANSWER DOWNLOAD EXAMIANS APP
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