Power Systems Which of following materials can be used as coolant Heavy water. CO2. Helium. Any of above. Heavy water. CO2. Helium. Any of above. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of the following statements is/are true? The elements of each row of a Y bus matrix for load flow studies in power system add up to zero if both 2 and 3 are satisfied if the mutual couplings between transmission lines are absent always if the shunt admittances at the buses are ignored if both 2 and 3 are satisfied if the mutual couplings between transmission lines are absent always if the shunt admittances at the buses are ignored ANSWER DOWNLOAD EXAMIANS APP
Power Systems Tarapur nuclear power plant has which type of reactor? Pressurized water reactors. Boiling water type. CANDU type reactors. None of these. Pressurized water reactors. Boiling water type. CANDU type reactors. None of these. ANSWER DOWNLOAD EXAMIANS APP
Power Systems The main objectives of power system is/are Reliable power has to be available All of these Flexible power has to be available. Cost of electrical energy per KWh is to be minimum Reliable power has to be available All of these Flexible power has to be available. Cost of electrical energy per KWh is to be minimum ANSWER DOWNLOAD EXAMIANS APP
Power Systems A transmission line has a surge impedance of 400 Ω for a length of the line of 200 km. If the length of line is increased to 400 km, then its surge impedance is 400 Ω 200 Ω 800 Ω 0 Ω 400 Ω 200 Ω 800 Ω 0 Ω 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 × 106 kV / sec. 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. ANSWER DOWNLOAD EXAMIANS APP
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