Power Systems The most commonly used material for insulators of overhead lines is glass mica porcelain PVC glass mica porcelain PVC ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of the following transmission line is most practically used in load flow analysis? nether 1 nor 2 Nominal T Nominal ∏ either 1 or 2 nether 1 nor 2 Nominal T Nominal ∏ either 1 or 2 ANSWER DOWNLOAD EXAMIANS APP
Power Systems Mho relay is usually employed for protection of any line medium transmission lines only short transmission lines only long transmission lines only any line medium transmission lines only short transmission lines only long transmission lines only ANSWER DOWNLOAD EXAMIANS APP
Power Systems A buchholz relay is used for protection of a transformer against all internal faults nether 1 nor 2 protection of a transformer against all external faults both 1 and 2 protection of a transformer against all internal faults nether 1 nor 2 protection of a transformer against all external faults both 1 and 2 ANSWER DOWNLOAD EXAMIANS APP
Power Systems To prevent maloperation of deferentially connected relay while energizing a transformer, the relay restraining coil is biased with 7th harmonic current. 3rd harmonic current. 5th harmonic current. 2nd harmonic current. 7th harmonic current. 3rd harmonic current. 5th harmonic current. 2nd harmonic current. ANSWER DOWNLOAD EXAMIANS APP
Power Systems If the load is short circuited, then reflection coefficient of voltage is -2 0 1 -1 -2 0 1 -1 ANSWER DOWNLOAD EXAMIANS APP
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