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

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

Right Answer is:

Any of the above

SOLUTION

A derrick is a lifting device composed at the minimum of one guyed mast (a tall thin vertical structure that depends on guy lines for stability.) which may be articulated over a load by adjusting its guys.

A winch is a mechanical device that is used to pull in (wind up) or let out (wind out) or otherwise adjust the “tension” of a rope or wire rope (also called “cable” or “wire cable”).

Both the machine working is similar to the crane machine hence the motor used in this type of machine is also similar.

e.g:- Ward Leonard motor method, Slip ring Induction Motor, DC compound motor, DC series Motor, Squirrel cage induction Motor with pole changing.

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