Which of the following drive systems is used in computer numerically controlled machine tools?

Servo controlled pneumatic drives

Which of the following drive systems is used in computer numerically c

1.	Which of the following drive systems is used in computer numerically controlled machine tools?
A.	Stepper motor
B.	Amorphous structure
C.	Thyristor controlled DC motor
D.	Servo controlled pneumatic drives
Answer» E.

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Which of the following drive systems is used in computer numerically controlled machine tools?

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