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 The specific speed of water turbine is the speed at which the turbine develops maximum horse power. unit horse power at all heads. unit horse power at unit head. a minimum horse power. maximum horse power. unit horse power at all heads. unit horse power at unit head. a minimum horse power. ANSWER DOWNLOAD EXAMIANS APP
Power Systems A 3-phase breaker is rated at 2000 MVA, 33 kV, its making current will be 89.22 kVA. 49 kVA. 35 kVA. 70 kVA. 89.22 kVA. 49 kVA. 35 kVA. 70 kVA. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Ferranti effect occurs under half load full load any of the above no load half load full load any of the above no load ANSWER DOWNLOAD EXAMIANS APP
Power Systems If we increase the spacing between the phase conductors, the value of line inductance increase None of these decrease remains unaffected increase None of these decrease remains unaffected ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of the following grounding is not practically preferred for protection of equipments? isolated grounding reactance grounding All of these resistance grounding isolated grounding reactance grounding All of these resistance grounding ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS