Which D.C. motor is generally preferred for cranes and hoists ?
Correct answer: A. Series motor
- A. Series motor
- B. Shunt motor
- C. Cumulatively compounded motor
- D. Differentially compounded motor
Explanation
A D.C. series motor gives very high starting torque, which is essential for lifting heavy loads from rest in cranes and hoists. It must not be operated without load because its speed can rise dangerously.
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