Electrical Machines Pole changing methods are suitable only for ___________ type induction motor. linear. cage. none of these. wound. linear. cage. none of these. wound. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The sequence of induction motor is RYB, then the direction of induction motor can be changed by which of the following sequence? RBY BYR All of these BRY RBY BYR All of these BRY ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In a synchronous motor torque or load angle δ ------------- with increase in load remains unaffected None of these decreases increases remains unaffected None of these decreases increases ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines When Flemings right hand rule to find the direction of induced emf, the thumb points towards opposite to the direction of motion of the conductor. direction of induced emf. direction of flux. direction of motion of the conductor. opposite to the direction of motion of the conductor. direction of induced emf. direction of flux. direction of motion of the conductor. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Neglecting all losses, the developed torque (T) of DC separately excited motor, operating under constant terminal voltage is reduced to its output power (P) as T2 ∝ P3. T is independent of P. T ∝ P. T ∝ √P. T2 ∝ P3. T is independent of P. T ∝ P. T ∝ √P. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines What will be the eddy current loss if the supply frequency of a transformer becomes double? Eight times. Remains same. Doubled. Four times. Eight times. Remains same. Doubled. Four times. ANSWER DOWNLOAD EXAMIANS APP
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