Electrical Machines Motors for fans and pumps are selected in the rpm range 375 to 500. 1440 to 2880. 500 to 720. 720 to 920. 375 to 500. 1440 to 2880. 500 to 720. 720 to 920. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Due to magnetic saturation, the flux per pole in a DC machine without brush shift decreases in both generators and the motors with load. decreases in generators and increases in motor with load. increases in both the generators and the motors with load. increases in generators but decreases in motor with load. decreases in both generators and the motors with load. decreases in generators and increases in motor with load. increases in both the generators and the motors with load. increases in generators but decreases in motor with load. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Which of the following is not a part of transformer? Tap changer. Commutator. Conservator tank. Radiator. Tap changer. Commutator. Conservator tank. Radiator. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In case of 3 - Φ IM, plugging means locking of rotor due to harmonics. interchanging two supply phases for quick stopping. pulling the motor directly on line without a rotor. starting the motor on load which is more than the rated load. locking of rotor due to harmonics. interchanging two supply phases for quick stopping. 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 Universal motor have which of the following application? Traction. Domestic pump. Lift. Food mixer. Traction. Domestic pump. Lift. Food mixer. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A single-winding single-phase motor has zero starting torque. high starting torque. starting torque equal to full-load torque. low starting torque. zero starting torque. high starting torque. starting torque equal to full-load torque. low starting torque. ANSWER DOWNLOAD EXAMIANS APP
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