1
GATE ME 1997
MCQ (Single Correct Answer)
+2
-0.6
In a point to point control $$NC$$ machine, the slides are positioned by an integrally mounted stepper motor drive. If the specification of the motor is $$1$$ deg/pulse, and the pitch of the lead screw is $$3.6$$ $$mm,$$ what is the expected positioning accuracy?
A
$$1$$ micron
B
$$10$$ micron
C
$$50$$ micron
D
$$100$$ micron
2
GATE ME 1993
MCQ (Single Correct Answer)
+2
-0.6
With reference to $$NC$$ machines, which of the following statements is wrong?
A
Both closed-loop and open-loop control systems are used
B
Paper tapes, floppy tapes and cassettes are used for data storage
C
Digitisers may be used as interactive input devices
D
Post processor is an item of hardware
GATE ME Subjects
Turbo Machinery
EXAM MAP