Power Systems Buchholz relay is used for protection of none of these. bus bar. alternator. transformer. none of these. bus bar. alternator. transformer. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of the following grounding is not practically preferred for protection of equipments? resistance grounding isolated grounding All of these reactance grounding resistance grounding isolated grounding All of these reactance grounding ANSWER DOWNLOAD EXAMIANS APP
Power Systems The ground capacitance existing between transmission line and ground is 4µF. Find the inductive reactance of the peterson coil for compensation of arcing grounds? 855.26 Ω 265.25 Ω 0.844 Ω 625.35 Ω 855.26 Ω 265.25 Ω 0.844 Ω 625.35 Ω 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 1.182 mH 1.093 mH 1.043 mH 1.232 mH 1.182 mH 1.093 mH ANSWER DOWNLOAD EXAMIANS APP
Power Systems Where is the draft tube of a hydroelectric plant that is an airtight pipe located Near the surge tank. In between the runner exhaust and the tail race. At the beginning of the penstock. In between the penstock and runner. Near the surge tank. In between the runner exhaust and the tail race. At the beginning of the penstock. In between the penstock and runner. ANSWER DOWNLOAD EXAMIANS APP
Power Systems A thermal power station needs space less than that required by the diesel power station of same output. less than that required by a gas turbine power plant of same output. less than that required by atomic power station of the same output. less than that required by hydro-power station of same capacity. less than that required by the diesel power station of same output. less than that required by a gas turbine power plant of same output. less than that required by atomic power station of the same output. less than that required by hydro-power station of same capacity. ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS