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. firm capacity of plant is increased. kinetic energy of the running water is fully utilized. pressure inside the turbine casing remains. operating head is controlled. firm capacity of plant is increased. kinetic energy of the running water is fully utilized. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Capacitance voltage transformer ( CVT ) is used to reduce losses in a transmission line. none of these. connect instruments on the LT side. improve the power factor of the transmission. reduce losses in a transmission line. none of these. connect instruments on the LT side. improve the power factor of the transmission. ANSWER DOWNLOAD EXAMIANS APP
Power Systems The rating of fuse wire is always expressed in kWh. ampere-hours. ampere-volts. amperes. kWh. ampere-hours. ampere-volts. amperes. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Earth fault relay uses the which of the following sequence currents? zero sequence positive sequence negative sequence any of the above zero sequence positive sequence negative sequence any of the above ANSWER DOWNLOAD EXAMIANS APP
Power Systems Water hamming process in pen-stocks results in noise increases. noise increases, pressure increases, velocity decreases. None of these pressure increases. noise increases. noise increases, pressure increases, velocity decreases. None of these pressure increases. ANSWER DOWNLOAD EXAMIANS APP
Power Systems The SWR on a lossless transmission line of the characteristic impedance 100 ohm is 3. The line is the terminated by A resistance of j300 ohm. A resistance of j100/3 ohm. A resistance of 100 ohm. A resistance of 100/3 ohm. A resistance of j300 ohm. A resistance of j100/3 ohm. A resistance of 100 ohm. A resistance of 100/3 ohm. ANSWER DOWNLOAD EXAMIANS APP
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