Power Systems The radiation shield for a nuclear power reactor for biological safety is provided by having the reactor encased by thick concrete wall. isolated from outside word with strong magnetic field. encased thick metal wall. immersed in water pool. encased by thick concrete wall. isolated from outside word with strong magnetic field. encased thick metal wall. immersed in water pool. ANSWER DOWNLOAD EXAMIANS APP
Power Systems The characteristic impedance of a transmission on line is Directly proportional to square root of its length. Directly proportional to its length. Inversely proportional to its length. Independent of its length. Directly proportional to square root of its length. Directly proportional to its length. Inversely proportional to its length. Independent of its length. ANSWER DOWNLOAD EXAMIANS APP
Power Systems A fault occurring at the terminals of an unloaded synchronous generator operating at its rated voltage has resulted in the following values of currents and voltages. IR0 = j 2.37 pu IR1 = -j 3.05 pu IR2 = j 0.68 pu VR0 = VR1 = VR2 = 0.237 pu. Which of the following faults has occurred? LLL LG LL LLG LLL LG LL LLG ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of the following statements is/are true? The elements of each row of a Y bus matrix for load flow studies in power system add up to zero if the shunt admittances at the buses are ignored always if both 2 and 3 are satisfied if the mutual couplings between transmission lines are absent if the shunt admittances at the buses are ignored always if both 2 and 3 are satisfied if the mutual couplings between transmission lines are absent ANSWER DOWNLOAD EXAMIANS APP
Power Systems A power generating station has a plant capacity of 200 MW and maximum power demand is 150 MW. If average power generation is 110 MW, then find the load factor and capacity factor respectively? 0.733 and 0.55 0.733 and 0.65 0.55 and 0.733 0.65 and 0.55 0.733 and 0.55 0.733 and 0.65 0.55 and 0.733 0.65 and 0.55 ANSWER DOWNLOAD EXAMIANS APP
Power Systems Advantages of gauss siedel method is/are All of these applicable for large power system network number of iterations are less calculation time for each iteration is less All of these applicable for large power system network number of iterations are less calculation time for each iteration is less ANSWER DOWNLOAD EXAMIANS APP
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