Power Systems Which of the following contributes to the Rankine cycle efficiency improvement in a thermal power plant 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. All of these Use of high pressure. ANSWER DOWNLOAD EXAMIANS APP
Power Systems A fuse wire of circular cross-section has a radius of 0.8 mm. The wire blows off at an current of 8 Amp. Calculate the radius of wire that will blow off at an current of 1 amp? 0.4 mm. 4 mm. 0.2 mm. 2 mm. 0.4 mm. 4 mm. 0.2 mm. 2 mm. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Advantages of higher transmission voltage is/are Power transfer capability of the transmission line is increased All of these Area of cross section and volume of the conductor is reduced Transmission line losses are reduced Power transfer capability of the transmission line is increased All of these Area of cross section and volume of the conductor is reduced Transmission line losses are reduced ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of the following relationships are not valid for short transmission lines B = C = Z All of these A = D = 1 Is = Ir B = C = Z All of these A = D = 1 Is = Ir ANSWER DOWNLOAD EXAMIANS APP
Power Systems The angular moment of 10 MVA generator is 0.2. Find the new value of angular moment for 20 MVA base? 0.4 pu 0.2 pu 0.1 pu 0.25 pu 0.4 pu 0.2 pu 0.1 pu 0.25 pu ANSWER DOWNLOAD EXAMIANS APP
Power Systems Maximum power capacity of a transmission line can be increased by nether 1 nor 2 either 1 or 2 decreasing reactance value increasing voltage level nether 1 nor 2 either 1 or 2 decreasing reactance value increasing voltage level ANSWER DOWNLOAD EXAMIANS APP
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