Electrical Machines For a practical synchronous motor the pull out torque will occur when the torque angle is nearly equal to 45°. 30°. 75°. 0°. 45°. 30°. 75°. 0°. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A Shunt generator running at 1000 rpm has generated emf of 100 V. If the speed increases to 1200 rpm, the generated emf will be nearly 140 V 175 V 120 V 240 V 140 V 175 V 120 V 240 V ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In case of 3 - Φ IM, plugging means starting the motor on load which is more than the rated load. pulling the motor directly on line without a rotor. locking of rotor due to harmonics. interchanging two supply phases for quick stopping. starting the motor on load which is more than the rated load. pulling the motor directly on line without a rotor. locking of rotor due to harmonics. interchanging two supply phases for quick stopping. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In a DC Shunt Motor the speed can be increased by Decreasing the field current. Increasing the field current. Increasing the field current. Increasing the armature current. Decreasing the field current. Increasing the field current. Increasing the field current. Increasing the armature current. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Which of the following DC generators has rising V-I characteristics? Series. None of them. Shunt. Compound. Series. None of them. Shunt. Compound. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Which motor used in Lathe machine? D.C . series motor. None of these D.C. cumulative compound motor. D.C. shunt motor. D.C . series motor. None of these D.C. cumulative compound motor. D.C. shunt motor. ANSWER DOWNLOAD EXAMIANS APP
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