Power Systems If sag in an overhead line increase, tension in the line None of these remains same increase decrease None of these remains same increase decrease ANSWER DOWNLOAD EXAMIANS APP
Power Systems The 1st nuclear plant in world was commissioned in U.S.A. UAE. U.K. U.S.S.R. U.S.A. UAE. U.K. U.S.S.R. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Transmission lines are transposed to reduce proximity effect skin effect interference with neighbouring communication lines ferranti effect proximity effect skin effect interference with neighbouring communication lines ferranti effect ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of the following power plants can generate power at unpredictable or uncontrollable time Wind turbine. Cooling tower. Condenser. Pulverising unit. Wind turbine. Cooling tower. Condenser. Pulverising unit. ANSWER DOWNLOAD EXAMIANS APP
Power Systems The inertia constant of 100 MVA, 50 Hz, 4 pole generator is 10 MJ/MVA. If the mechanical input to the machine is suddenly raised from 50 MW to 75 MW, the rotor acceleration will be equal to 225 electrical degrees/s² 12.5 electrical degrees/s² 125 electrical degrees/s² 22.5 electrical degrees/s² 225 electrical degrees/s² 12.5 electrical degrees/s² 125 electrical degrees/s² 22.5 electrical degrees/s² ANSWER DOWNLOAD EXAMIANS APP
Power Systems A 20 MVA generator has inertia constant of 0.5 pu. Find new value for 50 MVA base? 0.5 pu 0.4 pu 0.2 pu 0.1 pu 0.5 pu 0.4 pu 0.2 pu 0.1 pu ANSWER DOWNLOAD EXAMIANS APP
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