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Which DC motor is generally preferred for cranes and hoists?

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Which DC motor is generally preferred for cranes and hoists?

(a) Series motor

(b) Shunt motor

(c) Cumulatively compounded motor

(d) Differentially compounded motor

I got this question in a job interview.

Question is from Operating Characteristics of DC Series Motor in chapter Characteristics of DC Motors of DC Machines

1 Answer

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Best answer
Right choice is (a) Series motor

Easy explanation: DC series motor is used where high starting torque is required, thus in cranes and hoists DC series motor is used widely. Torque-speed characteristics of DC series motor suits perfectly to these applications.

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