Electrical Machines The power factor of an induction motor operating at no load will have a value around 0.9 lag 0.2 lead unity 0.2 lag 0.9 lag 0.2 lead unity 0.2 lag ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In induction motor wound rotor motor is mainly is used in application where less costly motor is not required. low starting torque. power factor is less. high starting torque. less costly motor is not required. low starting torque. power factor is less. high starting torque. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In case of IM the torque is directly proportional to slip. inversely proportional to slip. inversely proportional to √slip. directly proportional to slip2. directly proportional to slip. inversely proportional to slip. inversely proportional to √slip. directly proportional to slip2. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines What does happen if tripled harmonics given to induction motor? Nothing will happen. Fail to start. Will results in short circuit. Will results in open circuit. Nothing will happen. Fail to start. Will results in short circuit. Will results in open circuit. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In a DC machine, which of these parameters remain the same whether it runs as a DC motor or a DC generator? Can not be determined. Armature current. Induced emf. Mechanical power. Can not be determined. Armature current. Induced emf. Mechanical power. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In a resistance split phase motor, what is the range of torque angle? 90° 70° to 85° 25° to 30° 0° 90° 70° to 85° 25° to 30° 0° ANSWER DOWNLOAD EXAMIANS APP
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