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 79.33 %. 74.56 %. 80.25 %. 78.96 %. 79.33 %. 74.56 %. 80.25 %. 78.96 %. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Three generators rated 100 MVA, 11 kV have an impedance of 0.15 pu each. If in the same plant, these generators are being replaced by a single equivalent generator, the effective impedance of equivalent generator will be 0.25 pu 0.45 pu 0.15 pu 0.05 pu 0.25 pu 0.45 pu 0.15 pu 0.05 pu ANSWER DOWNLOAD EXAMIANS APP
Power Systems If sparsity of a 5 bus transmission line is 0.4. Find the number of transmission lines? 3 5 4 6 3 5 4 6 ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of the following materials is/are used as moderators? beryllium All of these heavy water graphite beryllium All of these heavy water graphite ANSWER DOWNLOAD EXAMIANS APP
Power Systems The per unit value of a 2 ohm resistor at 100 MVA and 10 kV base voltage is 0.5 pu 2 pu 0.2 pu 4 pu 0.5 pu 2 pu 0.2 pu 4 pu ANSWER DOWNLOAD EXAMIANS APP
Power Systems A transmission line is operating under no load has ABCD parameters B = 100∠90° has a phase shift of 0.2 rad, how much shunt reactor is required for compensation of ferranti effect? 2 H 2 mH 15.9 mH 15.9 H 2 H 2 mH 15.9 mH 15.9 H ANSWER DOWNLOAD EXAMIANS APP
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