Power Systems Surge impedance loading (SIL) is represented by Vl²*√(C/L) both 1 and 2 Vph²/Zs Vl²/Zs Vl²*√(C/L) both 1 and 2 Vph²/Zs Vl²/Zs ANSWER DOWNLOAD EXAMIANS APP
Power Systems For complete protection of 3-phase system from the short circuit faults minimum number of relays required are three two one six three two one six ANSWER DOWNLOAD EXAMIANS APP
Power Systems Find the surge impedance of a line when inductance is 160 mH and capacitance is 1µF? 160 Ω 400 Ω 200 Ω 800 Ω 160 Ω 400 Ω 200 Ω 800 Ω ANSWER DOWNLOAD EXAMIANS APP
Power Systems A hydraulic turbine having rated speed of 250 rpm is connected to a synchronous generator. In order to produce power at 50 Hz, the numbers of pole are required in the generator 12. 24. 6. 16. 12. 24. 6. 16. 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 0.2 pu 0.4 pu 0.1 pu 0.5 pu 0.2 pu 0.4 pu 0.1 pu ANSWER DOWNLOAD EXAMIANS APP
Power Systems The capacitance of an overhead transmission line increases with neither 1 nor 2 both 1 and 2 increase in mutual geometrical mean distance increase in height of conductors above ground neither 1 nor 2 both 1 and 2 increase in mutual geometrical mean distance increase in height of conductors above ground ANSWER DOWNLOAD EXAMIANS APP
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