Electrical Machines A 4 pole lap wound dc generator has 4 brushes, if one of the brush is damaged, what will be the change in V, I and P ratings V, I/2 and P/2 V/2, I/2 and P/4 V, I and P V/2, I and P/2 V, I/2 and P/2 V/2, I/2 and P/4 V, I and P V/2, I and P/2 ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Which 1 - Φ motor does operate at high power factor? Shaded pole. Split phase. Capacitor run. Capacitor start. Shaded pole. Split phase. Capacitor run. Capacitor start. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines On switching a DC motor to DC supply mains, it is found to rotate in the direction opposite to that for which it is designed. The DC motor is Series shunt. Differentical compound. Cummulative compound. have an equal number of electrons and protons. Series shunt. Differentical compound. Cummulative compound. have an equal number of electrons and protons. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The primary and secondary windings of a transformer are inductively linked. mechanically linked. conductively linked. electrically linked. inductively linked. mechanically linked. conductively linked. electrically linked. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The magnetic field which initially induces emf in the armature in a self excited DC generator is because of None of these permanent magnets. armature reaction. residual magnetism. None of these permanent magnets. armature reaction. residual magnetism. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In field flux method speed control of DC Motor is constant torque drive below the base speed. constant power drive above base speed. constant torque drive above the base speed. constant hp drive below the base speed. constant torque drive below the base speed. constant power drive above base speed. constant torque drive above the base speed. constant hp drive below the base speed. ANSWER DOWNLOAD EXAMIANS APP
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