Power Systems Which of the following is/are the desirable properties of a insulator material? Both 1 and 2 High ratio of puncture strength to flash over. High relative permittivity Low ratio of puncture strength to flash over. Both 1 and 2 High ratio of puncture strength to flash over. High relative permittivity Low ratio of puncture strength to flash over. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Calorific value of solid fuel is expressed as Cal / gm. Cal / lt. KCal / gm. KCal / lt. Cal / gm. Cal / lt. KCal / gm. KCal / lt. ANSWER DOWNLOAD EXAMIANS APP
Power Systems A 3 - Φ, 33 kV oil circuit breaker is rated 1200 A, 2000 MVA, 3 s. The symmetrical breaking current is 1200 A. 104.8 kA. 3600 A. 35 kA. 1200 A. 104.8 kA. 3600 A. 35 kA. ANSWER DOWNLOAD EXAMIANS APP
Power Systems A 3-phase transmission line has its conductors at the corners of an equilateral triangle with side 3m. The diameter of each conductor is 1.63 cm. The inductance of the line per phase per km is 1.043 mH 1.232 mH 1.093 mH 1.182 mH 1.043 mH 1.232 mH 1.093 mH 1.182 mH ANSWER DOWNLOAD EXAMIANS APP
Power Systems If the conductor diameter decreases, inductance of the line, remains unaffected decreases increases None of these remains unaffected decreases increases None of these ANSWER DOWNLOAD EXAMIANS APP
Power Systems When a neutral point of 3 - Φ system is directly connected to earth then it has what type of grounding? Reactance. Solid. Resistance. Peterson coil. Reactance. Solid. Resistance. Peterson coil. ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS