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 In a steam power plant, the feed water coming to the economizer is heated plant the feed water coming to the economizer is heated using HP steam. direct heat in the furnace. LP steam. flue gas. HP steam. direct heat in the furnace. LP steam. flue gas. ANSWER DOWNLOAD EXAMIANS APP
Power Systems The internal flux linkage due to internal flux of a conductor is I/4*10-7 wb-T/m I/2*10-7 wb-T/m All of these I/6*10-7 wb-T/m I/4*10-7 wb-T/m I/2*10-7 wb-T/m All of these I/6*10-7 wb-T/m ANSWER DOWNLOAD EXAMIANS APP
Power Systems Recovery voltage in CB is equal to normal frequency 50 Hz rms voltage. arcing period voltage. transient voltage. none of these. normal frequency 50 Hz rms voltage. arcing period voltage. transient voltage. none of these. ANSWER DOWNLOAD EXAMIANS APP
Power Systems An alternator having an induced emf of 1.6 pu is connected to an infinite bus of 1 pu. If the bus bar has reactance of 0.6 pu and alternator has reactance of 0.2 pu, what is the maximum power that can be transferred? 2 pu 5 pu 6 pu 2.67 pu 2 pu 5 pu 6 pu 2.67 pu ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of the following transmission line is most practically used in load flow analysis? Nominal ∏ either 1 or 2 Nominal T nether 1 nor 2 Nominal ∏ either 1 or 2 Nominal T nether 1 nor 2 ANSWER DOWNLOAD EXAMIANS APP
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