Power Systems In a 4 bus,4×4 Y bus matrix the number of non zero elements are 12. Find the number of transmission lines? 5 8 4 2 5 8 4 2 ANSWER DOWNLOAD EXAMIANS APP
Power Systems When a transformer is loaded, the secondary terminal voltage gains. That means power factor is lagging. zero. unity. leading. lagging. zero. unity. leading. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of the following contributes to the Rankine cycle efficiency improvement in a thermal power plant All of these Use of high pressure. Reheat of steam an intermediate stages. Use of steam for heating of boiler feed water. All of these Use of high pressure. Reheat of steam an intermediate stages. Use of steam for heating of boiler feed water. ANSWER DOWNLOAD EXAMIANS APP
Power Systems A guard ring is used in string type insulator having 3 units to improve string efficiency. Find the capacitance of metal link 2 if pin to earth capacitance of each unit is 1 F? 0.5 F 2 F 4 F 1 F 0.5 F 2 F 4 F 1 F ANSWER DOWNLOAD EXAMIANS APP
Power Systems The characteristic impedance of a transmission line is Inversely proportional to square root of its length. Directly proportional to square root of its length. Directly proportional to its length. Independent of its length. Inversely proportional to square root of its length. Directly proportional to square root of its length. Directly proportional to its length. Independent of its length. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Length of the cable is doubled, its capacitance C will be one-fourth. doubled. one-half. unchanged. one-fourth. doubled. one-half. unchanged. ANSWER DOWNLOAD EXAMIANS APP
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