Computer Aided Manufacturing (2171903) MCQs

MCQs of NC/CNC Machine Tools

Showing 41 to 50 out of 80 Questions
2 3 4 5 6 7
41.

What is the function of slideways in CNC?

(a)

Reduce friction
(b)

Reduce Wear
(c)

Improve smoothness of the drive
(d)

All of the mentioned
Answer:

Option (d)

42.

The use of a stepper motor considerably simplifies the system as feedback devices are not used.

(a)

True
(b)

False
Answer:

Option (a)

43.

Stepper motors are suitable only for which types of machines?

(a)

Light duty
(b)

Medium duty
(c)

Heavy duty
(d)

Ultra heavy duty
Answer:

Option (a)

44.

To monitor the position of the slides, which types of transducers are used?

(a)

Linear transducers
(b)

Rotary transducers
(c)

Linear transducers and rotary transducers
(d)

None of the mentioned
Answer:

Option (c)

45.

G-codes are also known as

(a)

preparatory codes
(b)

spindle speed codes 
(c)

tool selection codes 
(d)

miscellaneous codes
Answer:

Option (a)

46.

M-codes are also known as

(a)

preparatory codes
(b)

spindle speed codes
(c)

tool selection codes
(d)

miscellaneous codes
Answer:

Option (d)

47.

Which is not the type of part programming format?

(a)

Fixed block format
(b)

Variable block format
(c)

Tab sequential format
(d)

Word address format
Answer:

Option (b)

48.

Which of the following code will give rapid linear movement?

(a)

G00
(b)

G01
(c)

G56
(d)

G94
Answer:

Option (a)

49.

Which of the following code will give a linear interpolation movement?

(a)

G00
(b)

G01
(c)

G78
(d)

G65
Answer:

Option (b)

50.

Which of the following code will give circular interpolation in a clockwise direction?

(a)

G56
(b)

G01
(c)

G02
(d)

G47
Answer:

Option (c)

Showing 41 to 50 out of 80 Questions
2 3 4 5 6 7