Power Systems The capacitance of an overhead transmission line increases with increase in height of conductors above ground both 1 and 2 increase in mutual geometrical mean distance neither 1 nor 2 increase in height of conductors above ground both 1 and 2 increase in mutual geometrical mean distance neither 1 nor 2 ANSWER DOWNLOAD EXAMIANS APP
Power Systems Mho relay is usually employed for protection of any line short transmission lines only medium transmission lines only long transmission lines only any line short transmission lines only medium transmission lines only long transmission lines only 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 12.5 electrical degrees/s² 225 electrical degrees/s² 125 electrical degrees/s² 22.5 electrical degrees/s² 12.5 electrical degrees/s² 225 electrical degrees/s² 125 electrical degrees/s² 22.5 electrical degrees/s² ANSWER DOWNLOAD EXAMIANS APP
Power Systems On what factor does the performance of a circuit breaker depend? Breaking speed. None of these. Critical length of breaking. Both A and C. Breaking speed. None of these. Critical length of breaking. Both A and C. ANSWER DOWNLOAD EXAMIANS APP
Power Systems The voltage regulation of a line at full load 0.8 power factor is 11. A long transmission line under no load conditions, for a good voltage profile needs All of these shunt reactor at receiving end shunt resistance at receiving end shunt capacitor at receiving end All of these shunt reactor at receiving end shunt resistance at receiving end shunt capacitor at receiving end ANSWER DOWNLOAD EXAMIANS APP
Power Systems A 10 MVA generator has reactance of 0.2 pu. Find the new reactance value for 50 MVA base? 0.25 pu 5 pu 0.2 pu 1 pu 0.25 pu 5 pu 0.2 pu 1 pu ANSWER DOWNLOAD EXAMIANS APP
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