Power Systems For complete protection of 3-phase system from the short circuit faults minimum number of relays required are three one six two three one six two ANSWER DOWNLOAD EXAMIANS APP
Power Systems In which of the following given faults, all the sequence currents are equal? LL LLL LG LLG LL LLL LG LLG ANSWER DOWNLOAD EXAMIANS APP
Power Systems A string insulator has 4 units. The voltage across the bottom most unit is 33.33% of total voltage. Its string efficiency is 33.33% 75% 66.66% 25% 33.33% 75% 66.66% 25% ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of the following statement is/are true?Zn The neutral grounding impedance Zn appears as Zn in zero sequence equivalent circuit The neutral grounding impedance Zn appears as 3Zn in zero sequence equivalent circuit nether 1 nor 2 both 1 and 2 The neutral grounding impedance Zn appears as Zn in zero sequence equivalent circuit The neutral grounding impedance Zn appears as 3Zn in zero sequence equivalent circuit nether 1 nor 2 both 1 and 2 ANSWER DOWNLOAD EXAMIANS APP
Power Systems In relay coil which is used? Potential transformer. Instrument transformer. Power transformer. Current transformer. Potential transformer. Instrument transformer. Power transformer. Current transformer. ANSWER DOWNLOAD EXAMIANS APP
Power Systems As the frequency of the system is increased, the charging MVAR remains unaffected None of these decreases increases remains unaffected None of these decreases increases ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS