Electrical Machines In case of 3 - Φ IM, plugging means interchanging two supply phases for quick stopping. locking of rotor due to harmonics. pulling the motor directly on line without a rotor. starting the motor on load which is more than the rated load. interchanging two supply phases for quick stopping. locking of rotor due to harmonics. pulling the motor directly on line without a rotor. starting the motor on load which is more than the rated load. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Ideal value of voltage regulation of a device is? 0 ∞ a finite negative value a positive finite value 0 ∞ a finite negative value a positive finite value ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Universal motors are used in traction All of these cranes food processing traction All of these cranes food processing ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Which of the following relation is correct? Xd < Xq. Xd = Xq. Xd > Xq. None of these Xd < Xq. Xd = Xq. Xd > Xq. None of these ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Stability of a synchronous motor ---------- with the increase in excitation. increases remains unaffected decreases any of the above increases remains unaffected decreases any of the above ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines During no load test, an induction motor draws power for core loss and copper loss. for copper loss and windage friction loss. for core loss and windage and friction loss. only for the small copper loss. for core loss and copper loss. for copper loss and windage friction loss. for core loss and windage and friction loss. only for the small copper loss. ANSWER DOWNLOAD EXAMIANS APP