Power Systems Which of the following statement is/are true?Zn nether 1 nor 2 The neutral grounding impedance Zn appears as Zn in zero sequence equivalent circuit both 1 and 2 The neutral grounding impedance Zn appears as 3Zn in zero sequence equivalent circuit nether 1 nor 2 The neutral grounding impedance Zn appears as Zn in zero sequence equivalent circuit both 1 and 2 The neutral grounding impedance Zn appears as 3Zn in zero sequence equivalent circuit ANSWER DOWNLOAD EXAMIANS APP
Power Systems Surge impedance loading (SIL) is represented by Vph²/Zs Vl²*√(C/L) Vl²/Zs both 1 and 2 Vph²/Zs Vl²*√(C/L) Vl²/Zs both 1 and 2 ANSWER DOWNLOAD EXAMIANS APP
Power Systems A 1-phase transmission line has an impedance (4 + 3j ) Ω. Find the power factor of the load for zero voltage regulation? 0.6 lead 0.8 lead 0.6 lag 0.8 lag 0.6 lead 0.8 lead 0.6 lag 0.8 lag ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which one of following is employed as a moderator by CANDU type of slow thermal nuclear reactors Graphite. Water. Heavy water. Beryllium. Graphite. Water. Heavy water. Beryllium. ANSWER DOWNLOAD EXAMIANS APP
Power Systems The rating of CB is in terms of voltage. current. VAR. volt - ampere. voltage. current. VAR. volt - ampere. ANSWER DOWNLOAD EXAMIANS APP
Power Systems To prevent maloperation of deferentially connected relay while energizing a transformer, the relay restraining coil is biased with 3rd harmonic current. 5th harmonic current. 7th harmonic current. 2nd harmonic current. 3rd harmonic current. 5th harmonic current. 7th harmonic current. 2nd harmonic current. ANSWER DOWNLOAD EXAMIANS APP
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