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. 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. operating head is controlled. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of the following is an impulse turbine Francis turbine. None of above. Kaplan turbine. Pelton turbine. Francis turbine. None of above. Kaplan turbine. Pelton turbine. ANSWER DOWNLOAD EXAMIANS APP
Power Systems In Rankine cycle, the work output from a turbine is given by change of enthalpy between inlet and outlet. change in internal energy between inlet and outlet. change of entropy between inlet and outlet. change in temperature between inlet and outlet. change of enthalpy between inlet and outlet. change in internal energy between inlet and outlet. change of entropy between inlet and outlet. change in temperature between inlet and outlet. ANSWER DOWNLOAD EXAMIANS APP
Power Systems A transmission line has self and mutual impedances of 0.8 pu and 0.2 pu. Find the positive, negative and zero sequence impedances respectively? 0.8, 0.8 and 1.2 pu 0.8, 0.6 and 1.2 pu 0.6, 0.6 and 1.2 pu 0.6, 0.8 and 1.2 pu 0.8, 0.8 and 1.2 pu 0.8, 0.6 and 1.2 pu 0.6, 0.6 and 1.2 pu 0.6, 0.8 and 1.2 pu ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of the following material is not used as fuse element? Carbon. Copper. Silver. Aluminium. Carbon. Copper. Silver. Aluminium. ANSWER DOWNLOAD EXAMIANS APP
Power Systems a 50 Hz, 3-phase synchronous generator has inductance per phase of 15 mH. The capacitance of the generator and circuit breaker is 0.002 µF. What is its natural frequency? 2.9 kHz 29 kHz 290 kHz 29 MHz 2.9 kHz 29 kHz 290 kHz 29 MHz ANSWER DOWNLOAD EXAMIANS APP