Electrical Machines The speed of a 3-phase induction motor operating in its stable region decreases with decrease in the load torque. decreases with increase in the load torque. increases with increase in the load torque. remains constant. decreases with decrease in the load torque. decreases with increase in the load torque. increases with increase in the load torque. remains constant. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In shaded pole induction motors, the flux moves from ------------- region to ----------------- region respectively? unshaded, shaded shaded, unshaded unshaded, unshaded shaded, shaded unshaded, shaded shaded, unshaded unshaded, unshaded shaded, shaded ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In case of 3 - Φ IM, plugging means pulling the motor directly on line without a rotor. locking of rotor due to harmonics. starting the motor on load which is more than the rated load. interchanging two supply phases for quick stopping. pulling the motor directly on line without a rotor. locking of rotor due to harmonics. starting the motor on load which is more than the rated load. interchanging two supply phases for quick stopping. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Armature reaction in DC generators will result in increase in slip. open circuit. short circuit. reduction in generated emf. increase in slip. open circuit. short circuit. reduction in generated emf. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Swinburne test is conducted under which of the following condition? no load any of the above full load half load no load any of the above full load half load ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Synchronous reactance of an alternator represents All of these armature reactance and leakage reactance field winding reactance a reactance operating at synchronous speed All of these armature reactance and leakage reactance field winding reactance a reactance operating at synchronous speed ANSWER DOWNLOAD EXAMIANS APP