Power Systems Which of the following statements is true? Corona loss increases with decrease in conductor size and increase in supply frequency increase in conductor size and increase in supply frequency increase in conductor size and decrease in supply frequency decrease in conductor size and decrease in supply frequency decrease in conductor size and increase in supply frequency increase in conductor size and increase in supply frequency increase in conductor size and decrease in supply frequency decrease in conductor size and decrease in supply frequency ANSWER DOWNLOAD EXAMIANS APP
Power Systems The total number of strands(N) is concentrically stranded cable with total annular space filled with strands of uniform diameter is given by (if x is number of layers) N = 3x²+3x+1 N = 3x²-6x+1 N = 3x²-2x+1 N = 3x²-3x+1 N = 3x²+3x+1 N = 3x²-6x+1 N = 3x²-2x+1 N = 3x²-3x+1 ANSWER DOWNLOAD EXAMIANS APP
Power Systems A diesel power plant is generally used as a/an Any of above. Peak loads. Base load. Standby/emergency plant. Any of above. Peak loads. Base load. Standby/emergency plant. ANSWER DOWNLOAD EXAMIANS APP
Power Systems When reactance grounding is used in network, the voltage between neutral and ground is IR0 × Xn IN × Xn both 1 and 3 3×IR0 × Xn IR0 × Xn IN × Xn both 1 and 3 3×IR0 × Xn ANSWER DOWNLOAD EXAMIANS APP
Power Systems The characteristic impedance of a transmission on line is Inversely proportional to its length. Directly proportional to square root of its length. Independent of its length. Directly proportional to its length. Inversely proportional to its length. Directly proportional to square root of its length. Independent of its length. Directly proportional to its length. ANSWER DOWNLOAD EXAMIANS APP
Power Systems In nuclear power plants which material is/are used as coolant? liquid sodium All of these graphite beryllium liquid sodium All of these graphite beryllium ANSWER DOWNLOAD EXAMIANS APP