CNC Programming MCQ

 

CNC Programming Quiz for 6th Grade Students

Instructions: Select the BEST answer for each question.

1. What does CNC stand for?

   A) Computer Numerical Control

   B) Computer Network Connection

   C) Computerized Numerical Calculation

   D) Complex Network Coding

2. In CNC programming, what is the primary purpose of a "G-code"?

   A) To play video games

   B) To give instructions to machine movements

   C) To create computer graphics

   D) To design computer networks

3. Which of these is a typical CNC machine used in manufacturing?

   A) Refrigerator

   B) Microwave

   C) Milling machine

   D) Bicycle

4. What does a CNC programmer primarily do?

   A) Write computer games

   B) Create detailed instructions for machines

   C) Design websites

   D) Repair computers

5. Which coordinate system is most commonly used in CNC programming?

   A) Circular coordinate system

   B) Triangular coordinate system

   C) Cartesian coordinate system

   D) Hexagonal coordinate system

6. What skill is most important for a CNC programmer?

   A) Drawing pictures

   B) Understanding mathematical precision

   C) Singing

   D) Playing sports

7. In CNC programming, what does "absolute positioning" mean?

   A) Always using the same machine

   B) Measuring from a fixed reference point

   C) Using random measurements

   D) Ignoring measurements completely

8. Which industry most frequently uses CNC programming?

   A) Agriculture

   B) Fashion design

   C) Manufacturing

   D) Professional sports

9. What makes CNC machines different from traditional machines?

   A) They use more electricity

   B) They can be programmed with precise instructions

   C) They are always smaller

   D) They only work at night

10. What is a key advantage of CNC programming?

    A) It's slower than manual work

    B) It requires constant human supervision

    C) It allows for high precision and repeatability

    D) It only works for simple tasks

Answer Key:

1. A

2. B

3. C

4. B

5. C

6. B

7. B

8. C

9. B

10. C

Scoring Guide:

9-10 correct: Excellent CNC Understanding!

7-8 correct: Great Job!

5-6 correct: Good Start

Below 5: Keep Learning!

This quiz assesses basic understanding of CNC programming concepts, focusing on comprehension and critical thinking appropriate for 6th-grade students.