Electrical Machines When the rotor of a 3 phase induction motor is blocked then the slip is 0.3. 0.54. 1. 0.7. 0.3. 0.54. 1. 0.7. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Flux density under leading pole tips in case of generator will increase either increase or decrease None of these decrease increase either increase or decrease None of these decrease ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines When the excitation of normally operating unloaded, salient pole synchronous motor suddenly gets disconnected, it continues to run as a induction motor. DC motor. variable reluctance motor. switched reluctance motor. induction motor. DC motor. variable reluctance motor. switched reluctance motor. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines To increase starting torque of a 3-phase slip ring induction motor, preferred method is to increase supply voltage supply frequency None of these rotor resistance supply voltage supply frequency None of these rotor resistance ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines What will be the eddy current loss if the supply frequency of a transformer becomes double? Remains same. Four times. Eight times. Doubled. Remains same. Four times. Eight times. Doubled. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The reduced air gap results in an increase starting torque. cost of operation. power factor. breaking torque. starting torque. cost of operation. power factor. breaking torque. ANSWER DOWNLOAD EXAMIANS APP
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