For derries and winches which of the following drives can be used ?
A)Pole changing squirrel cage motors
B)D.C.motors with Ward-leonard con-trol
C)A.C.slip ring motors with variable resistance
D)Any of the above

Question

Quizplus · Accepted Answer

Derricks and winches can be driven by various types of motors depending on the specific requirements such as speed control, torque, and efficiency. Pole changing squirrel cage motors, DC motors with Ward-Leonard control, and AC slip ring motors with variable resistance are all viable options for driving these mechanisms. Each of these motor types offers different advantages in terms of control and performance, making "Any of the above" the correct choice.

For Derries and Winches Which of the Following Drives Can