Power Systems A thermal protection switch is used to provide protection against short circuit. over voltage. temperature. overload. short circuit. over voltage. temperature. overload. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Buchholz relay is used for protection of alternator. bus bar. none of these. transformer. alternator. bus bar. none of these. transformer. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Condition for zero voltage regulation is cosφ = R/X tanφ = X/R cosφ = X/R tanφ = R/X cosφ = R/X tanφ = X/R cosφ = X/R tanφ = R/X ANSWER DOWNLOAD EXAMIANS APP
Power Systems A load centre is at an equidistant from the two thermal generating stations G1 and G2. The fuel cost characteristics of the generating stations are given by F1 = a + bP1 + cP²1 F2 = a + b P2 + 2cP²2 Where P1 and P2 are the generation in MW of G1 and G2, respectively. For most economic generation to meet 300 MW of load, P1 and P2 respectively, are 150, 150 175, 125 100, 200 200, 100 150, 150 175, 125 100, 200 200, 100 ANSWER DOWNLOAD EXAMIANS APP
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 Which cooling is preferred for large turbine generator Oxygen cooling. None of these. Nitrogen cooling. Hydrogen cooling. Oxygen cooling. None of these. Nitrogen cooling. Hydrogen cooling. ANSWER DOWNLOAD EXAMIANS APP
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