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 %. 80.25 %. 78.96 %. 74.56 %. 79.33 %. 80.25 %. 78.96 %. 74.56 %. ANSWER DOWNLOAD EXAMIANS APP
Power Systems A steam power generation has an overall efficiency of 20 %. 0.6 Kg of coal is burnt per kWh of electrical energy generated. Calculated the calorific value of fuel 7000 KCal / Kg. 7562 KCal / Kg. 7166.67 KCal / Kg. 7268.45 KCal / Kg. 7000 KCal / Kg. 7562 KCal / Kg. 7166.67 KCal / Kg. 7268.45 KCal / Kg. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of the following is low specific speed turbine? Francis Pelton Kaplan None of these Francis Pelton Kaplan None of these ANSWER DOWNLOAD EXAMIANS APP
Power Systems The characteristic impedance of a transmission on line is Inversely proportional to its length. Independent of its length. Directly proportional to square root of its length. Directly proportional to its length. Inversely proportional to its length. Independent of its length. Directly proportional to square root of its length. Directly proportional to its length. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of the following buses is/are not PV buses? reactive power support buses both 1 and 2 fixed shunt capacitor buses voltage control buses reactive power support buses both 1 and 2 fixed shunt capacitor buses voltage control buses ANSWER DOWNLOAD EXAMIANS APP
Power Systems Inductance of transmission line will decrease when GMD increase and GMR decrease GMD decrease and GMR increase both GMD and GMR decrease both GMD and GMR increase GMD increase and GMR decrease GMD decrease and GMR increase both GMD and GMR decrease both GMD and GMR increase ANSWER DOWNLOAD EXAMIANS APP