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Hoists, cranes and battery powered vehicles use _________ motors in the locomotive.

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Hoists, cranes and battery powered vehicles use _________ motors in the locomotive.

(a) dc series

(b) dc shunt

(c) induction

(d) reluctance

I had been asked this question in an international level competition.

Question is from DC Machine Applications topic in chapter DC Machines of Electrical Machines

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The correct answer is (a) dc series

Explanation: Hoists, cranes require large starting torque which can be provided by dc series motor.

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