Electrical Machines Commonly used starters of cage motor is star delta. both A and B. None of these DOL. star delta. both A and B. None of these DOL. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines For a given torque, reducing divertor resistance of a DC series motor Decrease in speed but armature current remains the same. Increase in speed but armature currnet remains the same. Increase in speed demanding more armature current. Decrease in speed demanding less armature current. Decrease in speed but armature current remains the same. Increase in speed but armature currnet remains the same. Increase in speed demanding more armature current. Decrease in speed demanding less armature current. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The emf induced in a conductor rotating in a bipolar field is DC. None of these AC. both of above. DC. None of these AC. both of above. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Rotor resistance speed control is used in dc shunt motor. synchronous motor. slip ring induction motor. squirrel cage induction motor. dc shunt motor. synchronous motor. slip ring induction motor. squirrel cage induction motor. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In DC generators, the residual magnetism is of the order of 15 %. 2.5 %. 10 %. 20 %. 15 %. 2.5 %. 10 %. 20 %. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The type of DC motor generally used for shears and punches is Cummulative compound motor. Shunt motor. Series motor. Differential compound motor. Cummulative compound motor. Shunt motor. Series motor. Differential compound motor. ANSWER DOWNLOAD EXAMIANS APP