Power Systems In a biased differential relay the bias is defined as the ratio of operating coil current and restraining coil current. number of turns of restraining and operating coil. fault current and operating coil current. fault current and restraining coil current. operating coil current and restraining coil current. number of turns of restraining and operating coil. fault current and operating coil current. fault current and restraining coil current. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Telecommunication lines are transposed to reduce the voltage level efficiency All of these radio interference in communication lines voltage level efficiency All of these radio interference in communication lines ANSWER DOWNLOAD EXAMIANS APP
Power Systems Plant capacity factor value is greater than 1 less than 1 1 0 greater than 1 less than 1 1 0 ANSWER DOWNLOAD EXAMIANS APP
Power Systems Condition for zero voltage regulation is cosφ = X/R tanφ = R/X cosφ = R/X tanφ = X/R cosφ = X/R tanφ = R/X cosφ = R/X tanφ = X/R ANSWER DOWNLOAD EXAMIANS APP
Power Systems Pipes carrying steam are generally of cobalt. aluminium. cast iron. steel. cobalt. aluminium. cast iron. steel. 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? LL LG LLG LLL LL LG LLG LLL ANSWER DOWNLOAD EXAMIANS APP
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