« Back CONTENTS Next » 1. In a DC motor the direction of rotation is determined by (a) Lenz law. (b) Faraday Law. (c) Fleming left hand rule. (d) Fleming right hand rule. 2. DC motor can be easily identified by looking at (a) frame. (b) commutator. (c) winding. (d) yoke. 3. The main function of […]
DC Motor MCQ
MCQs on DC Motor
« Back CONTENTS Next » 1. When a DC motor is connected across AC supply, it will (a) fail to start. (b) run at normal speed. (c) burn. (d) run at lower speed. 2. Which DC motor is most suitable for high starting torque applications? (a) shunt. (b) series. (c) cumulative compound. (d) differential compound. […]
MCQs on DC Motor
« Back CONTENTS Next » 1. Ward Leonard method of speed control is basically a (a) field control method. (b) armature controlled method. (c) field diverter. (d) frequency control method. 2. When the armature current of DC series motor is reduced by half it torque will (a) reduce by half. (b) reduced by four time. (c) remain […]