Electrical Machines Which of the following DC Motor is used in paper machines? Separately excited DC motor. DC Shunt motor. DC compound motor. DC series motor. Separately excited DC motor. DC Shunt motor. DC compound motor. DC series motor. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines To control the speed of an induction motor, the supply frequency is reduced by 10%. For the same magnetizing current to remain constant, the supply voltage must be increased by 10% reduced by 10% reduced by 20% increased by 20% increased by 10% reduced by 10% reduced by 20% increased by 20% ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines stepped cores are used in transformers in order to reduce volume of iron. volume of copper. reluctance of core. iron loss. volume of iron. volume of copper. reluctance of core. iron loss. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Cross magnetization effects which of the following? commutation reduction in main field flux reduces the terminal voltage both 2 and 3 commutation reduction in main field flux reduces the terminal voltage both 2 and 3 ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines An unexcited single phase synchronous motor is reluctance motor. repulsion motor. AC series motor. universal motor. reluctance motor. repulsion motor. AC series motor. universal motor. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Eb/Vt ratio of a DC motor is an indication of speed regulation. efficiency. starting torque. running torque. speed regulation. efficiency. starting torque. running torque. ANSWER DOWNLOAD EXAMIANS APP
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