Power Systems Where is the draft tube of a hydroelectric plant that is an airtight pipe located At the beginning of the penstock. Near the surge tank. In between the penstock and runner. In between the runner exhaust and the tail race. At the beginning of the penstock. Near the surge tank. In between the penstock and runner. In between the runner exhaust and the tail race. ANSWER DOWNLOAD EXAMIANS APP
Power Systems For variable heads of near about but less than 30 m, which type of turbines is used hydro power plant Kaplan. Francis. Pelton. None of above. Kaplan. Francis. Pelton. None of above. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of the following method is used for changing power factor from leading to lagging shunt reactor any of the above series capacitor shunt capacitor shunt reactor any of the above series capacitor shunt capacitor ANSWER DOWNLOAD EXAMIANS APP
Power Systems If R = 84 ohm/Km, G = 10-6 mho/Km, H = 0.01 H/Km, C = 0.061 μ F/Km and frequency = 1000 Hz, then what is the value of propagation constant of the transmission line 0.018 per Km. 0.01 + j 0.02 per Km. None of them. 0.09 + j 0.018 per Km. 0.018 per Km. 0.01 + j 0.02 per Km. None of them. 0.09 + j 0.018 per Km. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Objectives of power system is/are Rated voltage and frequency has to be supplied to the consumers both 1 and 2 Cost of electrical energy per KWh is to be minimum nether 1 nor 2 Rated voltage and frequency has to be supplied to the consumers both 1 and 2 Cost of electrical energy per KWh is to be minimum nether 1 nor 2 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)? 2 × 106 kV / sec. 3.5 × 106 kV / sec. 3 × 106 kV / sec. 1 × 106 kV / sec. 2 × 106 kV / sec. 3.5 × 106 kV / sec. 3 × 106 kV / sec. 1 × 106 kV / sec. ANSWER DOWNLOAD EXAMIANS APP
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