Power Systems If power P available from a hydroelectric plant is given by the formula P = 9.81QH, where Q is the flow rate through the turbine in l / s and H is the head in meters, then P will be unit of W. kWh. kJ / S. HP. W. kWh. kJ / S. HP. ANSWER DOWNLOAD EXAMIANS APP
Power Systems A transmission line has a surge impedance of 400 Ω is connected with the cable having surge impedance of 40 Ω, a surge magnitude of 100 kV is travelling from the transmission line towards the cable. Find the reflected voltage? -18.18 kV 18.18 kV 81.82 kV -81.82 kV -18.18 kV 18.18 kV 81.82 kV -81.82 kV ANSWER DOWNLOAD EXAMIANS APP
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? 36 kV 45 kV 40 kV 32 kV 36 kV 45 kV 40 kV 32 kV ANSWER DOWNLOAD EXAMIANS APP
Power Systems Calorific value of solid fuel is expressed as Cal / gm. KCal / gm. Cal / lt. KCal / lt. Cal / gm. KCal / gm. Cal / lt. KCal / lt. ANSWER DOWNLOAD EXAMIANS APP
Power Systems A 3-phase breaker is rated at 2000 MVA, 33 kV, its making current will be 35 kVA. 49 kVA. 89.22 kVA. 70 kVA. 35 kVA. 49 kVA. 89.22 kVA. 70 kVA. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Find the propagation constant, if impedance is 10Ω and admittance is 10 ℧? 1 10 5 100 1 10 5 100 ANSWER DOWNLOAD EXAMIANS APP
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