Power Systems Radio interference occur in telecommunication line due to electro magnetic induction nether 1 nor 2 electro static induction both 1 and 2 electro magnetic induction nether 1 nor 2 electro static induction both 1 and 2 ANSWER DOWNLOAD EXAMIANS APP
Power Systems Find the number of insulator discs required in string insulator, if operating voltage is 220 kV and maximum voltage of each disc is 11 kV? 20 21 10 13 20 21 10 13 ANSWER DOWNLOAD EXAMIANS APP
Power Systems The positive, negative and zero sequence per unit impedance of two generators connected in parallel are X1 = 0.12 pu, X2 = 0.096 pu and X0 = 0.036 pu. For LG fault at generator terminals (with 1 pu voltage) the positive sequence current will be 10.936 pu 7.936 pu 8.936 pu 9.936 pu 10.936 pu 7.936 pu 8.936 pu 9.936 pu ANSWER DOWNLOAD EXAMIANS APP
Power Systems If the inertia constant H = 10 MJ/MVA for a 50 MVA generator, the stored energy is 5 MJ 500 MJ 10 MJ 50 MJ 5 MJ 500 MJ 10 MJ 50 MJ ANSWER DOWNLOAD EXAMIANS APP
Power Systems The value of inductance used for compensation of arcing grounds is ω²C/3 1/3ω²C 3/ω²C 3ω²C ω²C/3 1/3ω²C 3/ω²C 3ω²C ANSWER DOWNLOAD EXAMIANS APP
Power Systems Installation of capacitors at suitable locations and of optimum size in a distribution system results in improved voltage regulation reduction in distribution power loss All of these reduction of KVA rating of distribution transformers improved voltage regulation reduction in distribution power loss All of these reduction of KVA rating of distribution transformers ANSWER DOWNLOAD EXAMIANS APP