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The armature voltage control of D.C. motor provides
READ MORE +The armature voltage control of D.C. motor provides
READ MORE +Usually wide and sensitive speed control is desired in case of
READ MORE +The armature torque of the D.C. shunt motor is proportional to
READ MORE +Which of the following method of speed control of D.C. machine will offer minimum efficiency ?
READ MORE +As -the load is increased the speed of D.C. shunt motor will
READ MORE +Which of the following motor has the poorest speed regulation ?
READ MORE +Buses, trains, trolleys, hoists, cranes require high starting torque and therefore make use of
READ MORE +In a differentially compounded D.C. motor, if shunt field suddenly opens
READ MORE +Following motor is used where high starting torque and wide speed range control is required.
READ MORE +Speed control by Ward Leonard method gives uniform speed variation
READ MORE +Flywheel is used with D.C. compound motor to reduce the peak demand by the motor, compound motor will have to be
READ MORE +Sparking, is discouraged in a D.C. motor because
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