Power Systems Which of following materials can be used as coolant CO2. Heavy water. Helium. Any of above. CO2. Heavy water. Helium. Any of above. ANSWER DOWNLOAD EXAMIANS APP
Power Systems A transmission line has surge impedance of 400 Ω, operating at Vs = Vr = 400 kV line is compensated with a shunt capacitance of 30%. The line is connected to a generator delivering 200 MW. Find the load angle with out and with compensation respectively? 26° and 30° 30° and 26° 45° and 26° 30° and 45° 26° and 30° 30° and 26° 45° and 26° 30° and 45° ANSWER DOWNLOAD EXAMIANS APP
Power Systems What is the preferred type of circuit breaker(CB) to be installed in extra high voltage AC system? Sulphur hexafluoride CB Air blast CB Vacuum CB Bulk oil type CB Sulphur hexafluoride CB Air blast CB Vacuum CB Bulk oil type CB ANSWER DOWNLOAD EXAMIANS APP
Power Systems The conversion ratio of a breeder reactor is none of above. less than unity. more than unity. equal to unity. none of above. less than unity. more than unity. equal to unity. ANSWER DOWNLOAD EXAMIANS APP
Power Systems In hydroelectric power plants operating cost is high and initial cost is low. both operating and initial cost are high. operating cost is low and initial cost is high. both operating and initial cost are low. operating cost is high and initial cost is low. both operating and initial cost are high. operating cost is low and initial cost is high. both operating and initial cost are low. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of the following represents the transmission or reflection coefficient of voltage Tv? (Zl = Surge impedance of load, Zs = Surge impedance of line) (Zs - Zl)/(Zs + Zl) (Zl - Zs)/(Zs + Zl) 2Zl/(Zs + Zl) 2Zs/(Zs + Zl) (Zs - Zl)/(Zs + Zl) (Zl - Zs)/(Zs + Zl) 2Zl/(Zs + Zl) 2Zs/(Zs + Zl) ANSWER DOWNLOAD EXAMIANS APP
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