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Which of the following DC motor can be used at conveyors?

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Which of the following DC motor can be used at conveyors?

(a) Series motor

(b) Shunt motor

(c) Differentially compound motor

(d) Cumulative compound motor

I got this question during an internship interview.

My question comes from Operating Characteristics of DC Series Motor -1 in chapter Characteristics of DC Motors of DC Machines

1 Answer

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Correct answer is (a) Series motor

For explanation: A conveyor requires high torque with steady speed, which provided by DC series motor. From torque speed characteristic of a DC series motor, it is easily stated that speed of the series motor practically remains constant at high torques.

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