Power Systems The per unit impedance of a circuit element is 0.30. If the base kV and base MVA are halved, then the new value of the per unit impedance of the circuit element will be 0.0060 0.0030 0.60 0.30 0.0060 0.0030 0.60 0.30 ANSWER DOWNLOAD EXAMIANS APP
Power Systems In a pressurized water reactor both B and C. heavy water is used as both coolant and moderator. water is used at high pressure so that it is available is liquid from at about 280° C. the coolant water boils in the reactor core. both B and C. heavy water is used as both coolant and moderator. water is used at high pressure so that it is available is liquid from at about 280° C. the coolant water boils in the reactor core. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Surge impedance loading of a transmission line can be increased by increasing its voltage level addition of lumped inductance in parallel addition of lumped capacitance in series both 1 and 3 increasing its voltage level addition of lumped inductance in parallel addition of lumped capacitance in series both 1 and 3 ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of the following statements is/are true? By increasing of temperature, tension decrease sag increase both 1 and 2 neither 1 nor 2 tension decrease sag increase both 1 and 2 neither 1 nor 2 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 22.5 electrical degrees/s² 125 electrical degrees/s² 225 electrical degrees/s² 12.5 electrical degrees/s² 22.5 electrical degrees/s² 125 electrical degrees/s² ANSWER DOWNLOAD EXAMIANS APP
Power Systems Power transmission lines are transposed to reduce ferranti effect skin effect radio interference proximity effect ferranti effect skin effect radio interference proximity effect ANSWER DOWNLOAD EXAMIANS APP
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