Power Systems A string insulator has 4 units. The voltage across bottom most unit is 10 kV and its efficiency is 90%. Find the total operating phase voltage? 40 kV 32 kV 45 kV 36 kV 40 kV 32 kV 45 kV 36 kV ANSWER DOWNLOAD EXAMIANS APP
Power Systems Storage requirement can be determined from mass Curve. flow duration curve. both B and C. hydro-graph. mass Curve. flow duration curve. both B and C. hydro-graph. ANSWER DOWNLOAD EXAMIANS APP
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 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. All of these ANSWER DOWNLOAD EXAMIANS APP
Power Systems The function of reflector is to bounce back most of the neutrons that escape from the fuel core. stop the chain reaction. none of above. reduce the speed of the neutrons. bounce back most of the neutrons that escape from the fuel core. stop the chain reaction. none of above. reduce the speed of the neutrons. ANSWER DOWNLOAD EXAMIANS APP
Power Systems The characteristic impedance of a transmission line is Independent of its length. Directly proportional to its length. Directly proportional to square root of its length. Inversely proportional to square root of its length. Independent of its length. Directly proportional to its length. Directly proportional to square root of its length. Inversely proportional to square root of its length. ANSWER DOWNLOAD EXAMIANS APP
Power Systems If L and C are 4 mH and 0.0001 μF respectively a current chop of magnitude 50 Amp would induced a voltage 200 kV. 400 kV. 100 kV. 50 kV. 200 kV. 400 kV. 100 kV. 50 kV. ANSWER DOWNLOAD EXAMIANS APP
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