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Machinist
Machinist Set-1
CNC Basics
4

CNC Basics MCQ - Machinist(Set-1) with Answers

4) Which one of the following is NOT the advantage of CNC machine ?

Reduces inspection time

Reduces tooling time

Higher initial cost

Higher rate of production

Answer is:

Higher initial cost

CNC Basics MCQ - Machinist(Set-1) with Answers

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Related CNC Basics MCQ - Machinist(Set-1) with Answers

5) CNC lathe machines have built-in coordinate measuring system. The zero position on the co-ordinate system is called :

Reference point

Machine zero point

Work zero point

Programme zero point

Answer is:

Machine zero point

6) A CNC lathe is programmed and set to turn a diameter of 50 mm, but on trial run the diameter is found to be 50.1 mm. Which one of the following will ensure correct diameter during production ?

Increase the tool offset by 0.1 mm

Decrease the tool offset by 0.1 mm

Increase the tool offset by 0.05 mm

Decrease the tool offset by 0.05 mm

Answer is:

Increase the tool offset by 0.05 mm

7) CNC machines are not normally operated. They are controlled by means of a :

Programme

Operator

Cam

Plug board system

Answer is:

Programme

CNC machines are not normally operated. They are controlled by means of a :

8) Which one of the following statements about programming of NC machine is correct ?

Programming is only possible on central server

Programming can be entered on control panel and can be read from a tape

Modification of the programme on the control panel is not possible

Entering the programme is only possible directly on the control panel

Answer is:

Programming can be entered on control panel and can be read from a tape

CNC Basics MCQ - Machinist(Set-1) with Answers

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