Power Systems The advantage of hydro electric power station over thermal power station is the initial cost of hydro electric power station is low the operation cost of hydro electric power station is low hydro electric station can be constructed at the place where the energy is required hydro electric power station can supply the power throughout the year the initial cost of hydro electric power station is low the operation cost of hydro electric power station is low hydro electric station can be constructed at the place where the energy is required hydro electric power station can supply the power throughout the year ANSWER DOWNLOAD EXAMIANS APP
Power Systems Pelton wheel turbine is a high head turbine. low head turbine. none of above. medium head turbine. high head turbine. low head turbine. none of above. medium head turbine. ANSWER DOWNLOAD EXAMIANS APP
Power Systems The use of high speed circuit breakers increased the short circuit current. improves system stability. reduces the short circuit current. decrease system stability. increased the short circuit current. improves system stability. reduces the short circuit current. decrease system stability. ANSWER DOWNLOAD EXAMIANS APP
Power Systems In a short circuit test circuit breaker, time to reach the peak re-striking voltage 60 microsecond & the peak re-striking voltage 120 kV. Determine average RRRV (Rate of rise re-striking voltage)? 1 × 106 kV / sec. 3.5 × 106 kV / sec. 2 × 106 kV / sec. 3 × 106 kV / sec. 1 × 106 kV / sec. 3.5 × 106 kV / sec. 2 × 106 kV / sec. 3 × 106 kV / sec. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Where is the draft tube of a hydroelectric plant that is an airtight pipe located At the beginning of the penstock. In between the penstock and runner. In between the runner exhaust and the tail race. Near the surge tank. At the beginning of the penstock. In between the penstock and runner. In between the runner exhaust and the tail race. Near the surge tank. ANSWER DOWNLOAD EXAMIANS APP
Power Systems One fission of U235 releases energy of 200 MeV. 435 MeV. 335 MeV. 525 MeV. 200 MeV. 435 MeV. 335 MeV. 525 MeV. ANSWER DOWNLOAD EXAMIANS APP
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