Power Systems What will be the ratio of the C.T. on the H.V side of a 3 - φ star / delta 33 / 11 kV transformer if the protecting CT on the LV side has a ratio of 300 : 5 ? 200 : 5 / √3. 120 : 6 / √3. 150 : 4 / √3. 100 : 5 / √3. 200 : 5 / √3. 120 : 6 / √3. 150 : 4 / √3. 100 : 5 / √3. ANSWER DOWNLOAD EXAMIANS APP
Power Systems A network containing 50 buses in which 10 are the voltage control buses, 6 are the generator buses. Find the size of the Jacobian matrix? 83*83 33*33 34*34 84*84 83*83 33*33 34*34 84*84 ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of the following is/are the desirable properties of a insulator material? High ratio of puncture strength to flash over. Both 1 and 2 High relative permittivity Low ratio of puncture strength to flash over. High ratio of puncture strength to flash over. Both 1 and 2 High relative permittivity Low ratio of puncture strength to flash over. ANSWER DOWNLOAD EXAMIANS APP
Power Systems For harnessing low variable water heads, the suitable hydraulic turbine with high percentage of reaction and runner adjust vanes is Pelton. Kaplan. Francis. Impeller. Pelton. Kaplan. Francis. Impeller. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Most commonly used material for insulator is glass mica porcelain All of these glass mica porcelain All of these ANSWER DOWNLOAD EXAMIANS APP
Power Systems Offset mho relay is used for the protection of equipment when failure of prime mover of the generator loss of excitation of the generator None of these either 1 or 2 failure of prime mover of the generator loss of excitation of the generator None of these either 1 or 2 ANSWER DOWNLOAD EXAMIANS APP
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