Power Systems If a 500 MVA, 11 kV 3-phase generator at 50 Hz feeds through a transfer impedance of (0+j0.605) Ω/phase, an infinite voltage also at 11 kV, then the maximum steady state power transfer on the base of 500 MVA and 11 kV is 0.5 pu 1 pu 0.8 pu 0.4 pu 0.5 pu 1 pu 0.8 pu 0.4 pu ANSWER DOWNLOAD EXAMIANS APP
Power Systems To reduce the radio interference which line is/are transposed? Both power and telecommunication lines either 1 or 2 Power line None of these Both power and telecommunication lines either 1 or 2 Power line None of these ANSWER DOWNLOAD EXAMIANS APP
Power Systems The insulation resistance of the 20 km long underground cable is 8 MΩ. Other things being same, the insulation resistance of 10 km long cable will be 32 MΩ 16 MΩ 8 MΩ 4 MΩ 32 MΩ 16 MΩ 8 MΩ 4 MΩ ANSWER DOWNLOAD EXAMIANS APP
Power Systems In a 3-phase, 5 kV, 5 MVA system, what is the base impedance? 50 ohms 5 ohms 0.5 ohm 500 ohms 50 ohms 5 ohms 0.5 ohm 500 ohms ANSWER DOWNLOAD EXAMIANS APP
Power Systems Deaerative heating is done to remove dissolved gases in water. heat the steam. remove dissolved. heat the feed water. remove dissolved gases in water. heat the steam. remove dissolved. heat the feed water. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Proximity effect depends on frequency relative permeability distance between the conductors All of these frequency relative permeability distance between the conductors All of these ANSWER DOWNLOAD EXAMIANS APP
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