Power Systems Calorific value of solid fuel is expressed as Cal / gm. KCal / gm. KCal / lt. Cal / lt. Cal / gm. KCal / gm. KCal / lt. Cal / lt. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of the following is/are the disadvantages of phase modifiers? It consumes both active and reactive power Initial cost of synchronous phase modifier is higher All of these It requires more maintenance because of running equipment It consumes both active and reactive power Initial cost of synchronous phase modifier is higher All of these It requires more maintenance because of running equipment ANSWER DOWNLOAD EXAMIANS APP
Power Systems One million cubic meters of water is stored in a reservoir feeding a water turbine. The density of water is 993 kg/m³. If the centre of mass of water is 50 meters above the turbine and losses are negligible, the energy produced by that volume of water is 135.3 MWhr 140 MWhr 120 MWhr 130.2 MWhr 135.3 MWhr 140 MWhr 120 MWhr 130.2 MWhr 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 Reheat of steam an intermediate stages. Use of high pressure. Use of steam for heating of boiler feed water. All of these Reheat of steam an intermediate stages. Use of high pressure. Use of steam for heating of boiler feed water. ANSWER DOWNLOAD EXAMIANS APP
Power Systems A string insulator has 4 units. The voltage across the bottom most unit is 33.33% of total voltage. Its string efficiency is 25% 66.66% 33.33% 75% 25% 66.66% 33.33% 75% ANSWER DOWNLOAD EXAMIANS APP
Power Systems The power generated by two plants are; P1 = 50 MW, P2 = 40 MW. If the loss coefficients are B11 = 0.001, B22 = 0.0025 and B12 = -0.0005, then power loss will be 4.5 MW 5.5 MW 6.5 MW 8.5 MW 4.5 MW 5.5 MW 6.5 MW 8.5 MW ANSWER DOWNLOAD EXAMIANS APP
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