Power Systems Which of the following statement is/are true?Zn The neutral grounding impedance Zn appears as 3Zn in zero sequence equivalent circuit The neutral grounding impedance Zn appears as Zn in zero sequence equivalent circuit nether 1 nor 2 both 1 and 2 The neutral grounding impedance Zn appears as 3Zn in zero sequence equivalent circuit The neutral grounding impedance Zn appears as Zn in zero sequence equivalent circuit nether 1 nor 2 both 1 and 2 ANSWER DOWNLOAD EXAMIANS APP
Power Systems Electrostatic precipitators in thermal power plants are used for removal of ash from flue gas control flow rate remove moisture from the cole All of these removal of ash from flue gas control flow rate remove moisture from the cole All of these ANSWER DOWNLOAD EXAMIANS APP
Power Systems The Y bus matrix of a 100 bus interconnected system is 90% sparse. Then find the number of non zero elements in the Y bus matrix? 1000 90 10 9000 1000 90 10 9000 ANSWER DOWNLOAD EXAMIANS APP
Power Systems The most suitable circuit breaker for short line fault without switching resistor is oil circuit breaker. air blast circuit breaker. none of these. SF6 breaker. oil circuit breaker. air blast circuit breaker. none of these. SF6 breaker. ANSWER DOWNLOAD EXAMIANS APP
Power Systems By using guard ring in a transmission line, its string efficiency None of these remains unaffected decrease increase None of these remains unaffected decrease increase ANSWER DOWNLOAD EXAMIANS APP
Power Systems For variable heads of near about but less than 30 m, which type of turbines is used hydro power plant Kaplan. Pelton. Francis. None of above. Kaplan. Pelton. Francis. None of above. ANSWER DOWNLOAD EXAMIANS APP