Power Systems Half life is defined as none of above. the time required for one half of isotope to decay. the time required to spiliting of a heavy nucleus. the time required for full of atoms in a specimen disintegrate. none of above. the time required for one half of isotope to decay. the time required to spiliting of a heavy nucleus. the time required for full of atoms in a specimen disintegrate. ANSWER DOWNLOAD EXAMIANS APP
Power Systems The neutral of 10 MVA, 11 kV alternator is earthed through a resistance of 5 ohms. The fault ready is set to operate at 0.75 A. The current transformers have a ratio of 1000/5. What is the percentage of the alternator winding is protected? 11.8% 88.2% 15% 85% 11.8% 88.2% 15% 85% ANSWER DOWNLOAD EXAMIANS APP
Power Systems Ideal plant load cfactor is greater than 1 0 1 less than 1 greater than 1 0 1 less than 1 ANSWER DOWNLOAD EXAMIANS APP
Power Systems Surge impedance loading of a 3-phase, 400 kV transmission line is 400 Ω. The surge impedance loading is 1600 MW 400 MW 800 MW 200 MW 1600 MW 400 MW 800 MW 200 MW ANSWER DOWNLOAD EXAMIANS APP
Power Systems The amount of ash content in Indian coal 20 %. 45 %. 60 %. 35 %. 20 %. 45 %. 60 %. 35 %. 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 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 ANSWER DOWNLOAD EXAMIANS APP