Electrical Machines Dissolve gas analysis of transformer oil is carried out to determine condition of bushings. condition of bushing stud. condition of transformer. condition of transformer oil. condition of bushings. condition of bushing stud. condition of transformer. condition of transformer oil. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In a DC series generator, the terminal voltage with increase in load will remain nearly constant increase gradually and then stay at rated voltage increase to rated voltage and then may decrease decrease remain nearly constant increase gradually and then stay at rated voltage increase to rated voltage and then may decrease decrease ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines For a fault at the terminal of a synchronous generator, the fault current is maximum for a line to line fault. 3 - phase to ground fault. line to ground fault. 3 - phase fault. line to line fault. 3 - phase to ground fault. line to ground fault. 3 - phase fault. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines If the applied voltage of a certain transformer is increased by 50% and the frequency is reduced by 50%, the maximum flux density will (assuming that the magnetic circuit remains unsaturated) changes to 1.5 times the original value changes to three times the original value remain the same as the original changes to 0.5 times the original value changes to 1.5 times the original value changes to three times the original value remain the same as the original changes to 0.5 times the original value ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines If the field winding connection of DC shunt motor is changed It will run in opposite direction. motor will not run. motor will become slow. It will run in same direction. It will run in opposite direction. motor will not run. motor will become slow. It will run in same direction. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Capacitor fitted with ceiling / table fans is of the value of 5 - 10 F. 0.1 µF. 2 - 3 µF. 1 - 2 µF. 5 - 10 F. 0.1 µF. 2 - 3 µF. 1 - 2 µF. ANSWER DOWNLOAD EXAMIANS APP