Power Systems Pelton wheel turbine is a high head turbine. none of above. low head turbine. medium head turbine. high head turbine. none of above. low head turbine. medium head turbine. ANSWER DOWNLOAD EXAMIANS APP
Power Systems A three phase, 33 kV oil circuit breaker is rated 1200 A, 2000 MVA, 3 secs. The symmetrical breaking current is 50 kA. 45 kA. 35 kA. 55 kA. 50 kA. 45 kA. 35 kA. 55 kA. ANSWER DOWNLOAD EXAMIANS APP
Power Systems The function of draft tube is reaction turbine is to reduce water hammer. convert kinetic energy of water. increase flow rate of water. all of above. reduce water hammer. convert kinetic energy of water. increase flow rate of water. all of above. ANSWER DOWNLOAD EXAMIANS APP
Power Systems In a 220 kV system, the inductance and capacitance up to the circuit breaker location are 25 mH and 0.025 µF respectively. The value of resistor required to be connected across the breaker contacts which will give no transient oscillations, is 1000 Ω 500 Ω 25 Ω 250 Ω 1000 Ω 500 Ω 25 Ω 250 Ω ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of the following statements is/are true? Due to corona, interference increases charging current increases power loss increases All of these interference increases charging current increases power loss increases All of these ANSWER DOWNLOAD EXAMIANS APP
Power Systems Four identical alternators each are rated for 20 MVA, 11 KV having a subtransient reactance of 16% are working in parallel. The short circuit level at the busbar is 125 MVA 100 MVA 400 MVA 500 MVA 125 MVA 100 MVA 400 MVA 500 MVA ANSWER DOWNLOAD EXAMIANS APP
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