Power Systems What is the approximate efficiency of a normal thermal power station? 45-55% 30-40% 20-25% 60-70% 45-55% 30-40% 20-25% 60-70% ANSWER DOWNLOAD EXAMIANS APP
Power Systems The conversion ratio of breeder reactor are less than 1. 1. none of above. greater than 1. less than 1. 1. none of above. greater than 1. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of the following relays are used in protection of medium transmission lines? Admittance relays any of the above Impedance relays Mho relays Admittance relays any of the above Impedance relays Mho relays ANSWER DOWNLOAD EXAMIANS APP
Power Systems The insulation of modern EHV is designed based on lightning voltage. switching voltage. RI. corona. lightning voltage. switching voltage. RI. corona. ANSWER DOWNLOAD EXAMIANS APP
Power Systems The positive, negative and zero sequence impedances of a transmission line are 0.5,0.5 and 1.1 pu respectively. The self (Zs) and mutual (Zm) impedances of the line will be given by Zs = 0.2 pu, Zm =0.7 pu Zs = 0.5 pu, Zm =0.6 pu Zs = 0.7 pu, Zm =0.2 pu Zs = 0.6 pu, Zm =0.5 pu Zs = 0.2 pu, Zm =0.7 pu Zs = 0.5 pu, Zm =0.6 pu Zs = 0.7 pu, Zm =0.2 pu Zs = 0.6 pu, Zm =0.5 pu ANSWER DOWNLOAD EXAMIANS APP
Power Systems When a pumped storage power plant is operated in conjunction with a steam power plant chances of the tripping of the system decrease All of these load factor of the steam plant is increased the operating cost of the steam plant become optimum chances of the tripping of the system decrease All of these load factor of the steam plant is increased the operating cost of the steam plant become optimum ANSWER DOWNLOAD EXAMIANS APP
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