Power Systems Ferranti effect occurs under full load no load half load any of the above full load no load half load any of the above ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of the following statement is/are true?Zn 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 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 ANSWER DOWNLOAD EXAMIANS APP
Power Systems What is the approximate efficiency of a normal thermal power station? 30-40% 45-55% 60-70% 20-25% 30-40% 45-55% 60-70% 20-25% ANSWER DOWNLOAD EXAMIANS APP
Power Systems If the frequency is increased, then skin effect will any of the above increases remains unaffected decreases any of the above increases remains unaffected decreases ANSWER DOWNLOAD EXAMIANS APP
Power Systems Zero sequence currents can flow from a line into a transformer bank if the windings are in delta / delta. delta / star. star / grounded star. ground star / delta. delta / delta. delta / star. star / grounded star. ground star / delta. ANSWER DOWNLOAD EXAMIANS APP
Power Systems If the inertia constant H = 8 MJ/MVA for a 50 MVA generator, the stored energy is 8 MJ 50 MJ 200 MJ 400 MJ 8 MJ 50 MJ 200 MJ 400 MJ ANSWER DOWNLOAD EXAMIANS APP