Power Systems Which of the following is/are the effects of corona charging current increases interference decreases All of these power loss decreases charging current increases interference decreases All of these power loss decreases ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which cooling is preferred for large turbine generator Hydrogen cooling. None of these. Oxygen cooling. Nitrogen cooling. Hydrogen cooling. None of these. Oxygen cooling. Nitrogen cooling. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Keeping in view the cost and overall effectiveness, the following circuit breaker is best suited for capacitor bank switching? Oil CB. Vacuum CB. SF6 CB. Air blast CB. Oil CB. Vacuum CB. SF6 CB. Air blast CB. ANSWER DOWNLOAD EXAMIANS APP
Power Systems The function of draft tube is reaction turbine is to reduce water hammer. all of above. convert kinetic energy of water. increase flow rate of water. reduce water hammer. all of above. convert kinetic energy of water. increase flow rate of water. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Consider a long, two wire line composed of solid round conductors. The radius of both conductors is 0.25 cm and distance between their centers is 100 cm. If this distance is doubled, then the inductance per unit length. Halves. Doubled. Increase but does not doubled. Decrease but does not halves. Halves. Doubled. Increase but does not doubled. Decrease but does not halves. ANSWER DOWNLOAD EXAMIANS APP
Power Systems The insulation resistance of the 20 km long underground cable is 8 MΩ. Other things being same, the insulation resistance of 10 km long cable will be 32 MΩ 16 MΩ 8 MΩ 4 MΩ 32 MΩ 16 MΩ 8 MΩ 4 MΩ ANSWER DOWNLOAD EXAMIANS APP
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