Power Systems When a pumped storage power plant is operated in conjunction with a steam power plant All of these chances of the tripping of the system decrease load factor of the steam plant is increased the operating cost of the steam plant become optimum All of these chances of the tripping of the system decrease load factor of the steam plant is increased the operating cost of the steam plant become optimum ANSWER DOWNLOAD EXAMIANS APP
Power Systems The function of moderator in a nuclear reactor is to reduce temperature. absorb neutrons. stop chain reaction. reduce the speed of neutrons. reduce temperature. absorb neutrons. stop chain reaction. reduce the speed of neutrons. ANSWER DOWNLOAD EXAMIANS APP
Power Systems The skin effect shows that current density is more at the surface of the condutor current density is lower at the surface of the condutor current density is more at the centre of the condutor the distribution of AC current is uniform through the cross section of the conductor current density is more at the surface of the condutor current density is lower at the surface of the condutor current density is more at the centre of the condutor the distribution of AC current is uniform through the cross section of the conductor ANSWER DOWNLOAD EXAMIANS APP
Power Systems Surge impedance loading can be increased by both 1 and 2 increasing of inductance value increasing of voltage level increasing of capacitance value both 1 and 2 increasing of inductance value increasing of voltage level increasing of capacitance value ANSWER DOWNLOAD EXAMIANS APP
Power Systems In hydroelectric power plants both operating and initial cost are high. both operating and initial cost are low. operating cost is low and initial cost is high. operating cost is high and initial cost is low. both operating and initial cost are high. both operating and initial cost are low. operating cost is low and initial cost is high. operating cost is high and initial cost is low. ANSWER DOWNLOAD EXAMIANS APP
Power Systems The voltage and current instantaneous values are given as 5 sin (ωt + 30°) pu and 2 sin (ωt - 15°) pu respectively. Find the per unit active power? 5 pu 7 pu 3.535 pu 5.353 pu 5 pu 7 pu 3.535 pu 5.353 pu ANSWER DOWNLOAD EXAMIANS APP
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