Power Systems What will be the thermal efficiency of a 240 V, 1000 W electric kettle if it brings 2 liters of water at 15° C to boiling point 15 Minutes 74.56 %. 79.33 %. 80.25 %. 78.96 %. 74.56 %. 79.33 %. 80.25 %. 78.96 %. ANSWER DOWNLOAD EXAMIANS APP
Power Systems The receiving end voltage for a long line under no load condition is less than the sending end voltage any of the above more than the sending end voltage equal to the sending end voltage less than the sending end voltage any of the above more than the sending end voltage equal to the sending end voltage ANSWER DOWNLOAD EXAMIANS APP
Power Systems The per unit impedance of a circuit element is 0.30. If the base kV and base MVA are halved, then the new value of the per unit impedance of the circuit element will be 0.0060 0.30 0.60 0.0030 0.0060 0.30 0.60 0.0030 ANSWER DOWNLOAD EXAMIANS APP
Power Systems If we increase the spacing between the phase conductors, the line capacitance remains unaffected decreases increases None of these remains unaffected decreases increases None of these 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. kinetic energy of the running water is fully utilized. operating head is controlled. firm capacity of plant is increased. pressure inside the turbine casing remains. kinetic energy of the running water is fully utilized. operating head is controlled. firm capacity of plant is increased. ANSWER DOWNLOAD EXAMIANS APP
Power Systems A loss less transmission line having surge impedance loading (SIL) of 2280 MW is provided with a uniformly distributed series capacitive compensation of 30 %. Then SIL of compensated transmission line will be 2280 MW. 3257 MW. 1835 MW. 2725 MW. 2280 MW. 3257 MW. 1835 MW. 2725 MW. ANSWER DOWNLOAD EXAMIANS APP
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