Power Systems In a biased differential relay the bias is defined as the ratio of fault current and restraining coil current. fault current and operating coil current. operating coil current and restraining coil current. number of turns of restraining and operating coil. fault current and restraining coil current. fault current and operating coil current. operating coil current and restraining coil current. number of turns of restraining and operating coil. ANSWER DOWNLOAD EXAMIANS APP
Power Systems In which of the following frequency control method tie line may be overloaded? flat frequency control flat tie line control All of these parallel frequency flat frequency control flat tie line control All of these parallel frequency ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of following materials can be used as coolant CO2. Any of above. Heavy water. Helium. CO2. Any of above. Heavy water. Helium. ANSWER DOWNLOAD EXAMIANS APP
Power Systems In nuclear power plants which material is/are used as coolant? beryllium graphite liquid sodium All of these beryllium graphite liquid sodium All of these ANSWER DOWNLOAD EXAMIANS APP
Power Systems Condition for maximum voltage regulation cosφ = X/R tanφ = R/X tanφ = X/R cosφ = R/X cosφ = X/R tanφ = R/X tanφ = X/R cosφ = R/X ANSWER DOWNLOAD EXAMIANS APP
Power Systems The modern trend in electric power generation to have large size thermal plants near load centre. to have large number of small size thermal plants located at different places. to have large size thermal plant located near coal fields. none of above. to have large size thermal plants near load centre. to have large number of small size thermal plants located at different places. to have large size thermal plant located near coal fields. none of above. ANSWER DOWNLOAD EXAMIANS APP
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