Electrical Machines _____________ types of induction motor are widely used. Slip ring IM. Single phase IM. Squirrel cage IM. Three phase IM. Slip ring IM. Single phase IM. Squirrel cage IM. Three phase IM. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines For a DC Motor for constant load torque, what will happen to the armature current if armature resistance increases? Decreases. Remain unchanged None of above. Increases. Decreases. Remain unchanged None of above. Increases. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In DC generator, the electricity produced in armature is None of these AC. armature is not present in DC generator. DC. None of these AC. armature is not present in DC generator. DC. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The ventilating ducts in most of DC machine are longitudinal. none of these. radial. radial as well as longitudinal. longitudinal. none of these. radial. radial as well as longitudinal. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines If the applied voltage of a certain transformer is increased by 50% and the frequency is reduced by 50%, the maximum flux density will (assuming that the magnetic circuit remains unsaturated) remain the same as the original changes to 1.5 times the original value changes to three times the original value changes to 0.5 times the original value remain the same as the original changes to 1.5 times the original value changes to three times the original value changes to 0.5 times the original value ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In a transformer operating at constant voltage if the input frequency increases, the core loss remains constant. decrease. None of these increase. remains constant. decrease. None of these increase. ANSWER DOWNLOAD EXAMIANS APP
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