Power Systems Which of following materials can be used as coolant Any of above. Helium. Heavy water. CO2. Any of above. Helium. Heavy water. CO2. ANSWER DOWNLOAD EXAMIANS APP
Power Systems The unit protection scheme provides remote protection. simultaneous protection. back up protection. primary protection. remote protection. simultaneous protection. back up protection. primary protection. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Advantages of higher transmission voltage is/are Power transfer capability of the transmission line is increased All of these Transmission line losses are reduced Area of cross section and volume of the conductor is reduced Power transfer capability of the transmission line is increased All of these Transmission line losses are reduced Area of cross section and volume of the conductor is reduced ANSWER DOWNLOAD EXAMIANS APP
Power Systems In a three-phase system, when the loads are perfectly balanced, the neutral current is one - third of minimum. two - thirds of maximum. zero. one - third of maximum. one - third of minimum. two - thirds of maximum. zero. one - third of maximum. ANSWER DOWNLOAD EXAMIANS APP
Power Systems A transmission line has self and mutual impedances of 0.8 pu and 0.2 pu. Find the positive, negative and zero sequence impedances respectively? 0.8, 0.8 and 1.2 pu 0.6, 0.8 and 1.2 pu 0.6, 0.6 and 1.2 pu 0.8, 0.6 and 1.2 pu 0.8, 0.8 and 1.2 pu 0.6, 0.8 and 1.2 pu 0.6, 0.6 and 1.2 pu 0.8, 0.6 and 1.2 pu 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 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 if the shunt admittances at the buses are ignored ANSWER DOWNLOAD EXAMIANS APP
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