Electrical Machines A DC generator can be considered as rectifier. rotating amplifier. power pump. prime mover. rectifier. rotating amplifier. power pump. prime mover. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The shaft of induction motor may be unbalanced due to overload. uneven air gap. overheating of winding. poor lubrication. overload. uneven air gap. overheating of winding. poor lubrication. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines If a DC motor is connected across the AC supply it will Run at lower speed. Not run. Burn. Run at normal speed. Run at lower speed. Not run. Burn. Run at normal speed. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Which of the following is/are the methods to reduce the armature reaction and its effects? pole chamfering compensating winding All of these pole stacking pole chamfering compensating winding All of these pole stacking ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The breakdown torque of a synchronous motor varies as V² 1/V 1/V² applied voltage V V² 1/V 1/V² applied voltage V ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Cogging in induction motor occurs when number of stator teeth - number of rotor teeth = even number. number of stator teeth - number of rotor teeth = 0. number of stator teeth - number of rotor teeth = odd number. number of stator teeth - number of rotor teeth = negative number. number of stator teeth - number of rotor teeth = even number. number of stator teeth - number of rotor teeth = 0. number of stator teeth - number of rotor teeth = odd number. number of stator teeth - number of rotor teeth = negative number. ANSWER DOWNLOAD EXAMIANS APP
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