Power Systems In a nuclear reactor, chain reactor is controlled by introducing cadmium rods. iron rods. graphite rods. brass rods. cadmium rods. iron rods. graphite rods. brass rods. ANSWER DOWNLOAD EXAMIANS APP
Power Systems For distortion less line which of following relation are true R/L = C/G. None of above. R/L = G/C. R = O, G = O. R/L = C/G. None of above. R/L = G/C. R = O, G = O. ANSWER DOWNLOAD EXAMIANS APP
Power Systems If in a line, resistance and reactance are found to be equal and regulation is zero, then load will have unity power factor 0.707 leading power factor 0.707 lagging power factor zero power factor unity power factor 0.707 leading power factor 0.707 lagging power factor zero power factor ANSWER DOWNLOAD EXAMIANS APP
Power Systems The specific speeds of Kaplan, Francis and Pelton turbines are in the increasing order. the decreasing order. None of these neither increasing nor decreasing order. the increasing order. the decreasing order. None of these neither increasing nor decreasing order. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Consider a three phase, 50 Hz, 11 kV distribution system. Each of the conductors is suspended by an insulator string having two identical porcelain insulators. The self capacitance of the insulators is 5 times the shunt capacitance between the link and ground. Find the voltage across the two insulators V1 and V2? (V1 = Voltage of disc nearest to the conductor) V1 = 2.89 kV and V2 = 3.46 kV V1 = 3.46 kV and V2 = 2.89 kV V1 = 5 kV and V2 = 6 kV V1 = 6 kV and V2 = 5 kV V1 = 2.89 kV and V2 = 3.46 kV V1 = 3.46 kV and V2 = 2.89 kV V1 = 5 kV and V2 = 6 kV V1 = 6 kV and V2 = 5 kV ANSWER DOWNLOAD EXAMIANS APP
Power Systems An alternator having an induced emf of 1.6 pu is connected to an infinite bus of 1 pu. If the bus bar has reactance of 0.6 pu and alternator has reactance of 0.2 pu, what is the maximum power that can be transferred? 2 pu 2.67 pu 5 pu 6 pu 2 pu 2.67 pu 5 pu 6 pu ANSWER DOWNLOAD EXAMIANS APP