Power Systems Which of the following statements are true? nether 1 nor 2 Bus admittance matrix is a sparse matrix Bus impedance matrix is a full matrix both 1 and 2 nether 1 nor 2 Bus admittance matrix is a sparse matrix Bus impedance matrix is a full matrix both 1 and 2 ANSWER DOWNLOAD EXAMIANS APP
Power Systems Gross head of an hydroelectric power station is the difference of water level between the level in storage and tail race. all of above. the height of water level in the river where the tail race is provided. the height of water level in the river where the storage is provided. the difference of water level between the level in storage and tail race. all of above. the height of water level in the river where the tail race is provided. the height of water level in the river where the storage is provided. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Where the voltage is high and current to be interrupted is low, Which of following the breaker is preferable? Vacuum CB. Oil CB. Air blast CB. Any of these. Vacuum CB. Oil CB. Air blast CB. Any of these. ANSWER DOWNLOAD EXAMIANS APP
Power Systems A three phase, 33 kV oil circuit breaker is rated 1200 A, the symmetrical breaking capacity is 2000 MVA, 3 secs. Then the making capacity is 5100 MVA. 5200 MVA. 5500 MVA. 5000 MVA. 5100 MVA. 5200 MVA. 5500 MVA. 5000 MVA. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Most commonly used material for insulator is All of these porcelain glass mica All of these porcelain glass mica ANSWER DOWNLOAD EXAMIANS APP
Power Systems In a biased differential relay the bias is defined as the ratio of number of turns of restraining and operating coil. operating coil current and restraining coil current. fault current and restraining coil current. fault current and operating coil current. number of turns of restraining and operating coil. operating coil current and restraining coil current. fault current and restraining coil current. fault current and operating coil current. ANSWER DOWNLOAD EXAMIANS APP
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