Which of the following drive can be used for derricks and winches ? Options: A . &nbspDC motors with Ward Leonard control B . &nbspAC slip-ring motors with variable resistance C . &nbspPole changing squirrel cage motors D . &nbspAny of the above

Which of the following drive can be used for derricks and winches ?

Question - Which of the following drive can be used for derricks and winches ?

Options:

A . DC motors with Ward Leonard control

B . AC slip-ring motors with variable resistance

C . Pole changing squirrel cage motors

D . Any of the above

Answer: Option D

Any of the above

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