CNC Machine Safety and Collision Prevention Quiz
(6th-8th Grade Level)
Multiple Choice Quiz
1. What is the PRIMARY reason most CNC machine collisions occur?
A) Machine mechanical failure
B) Random unexpected events
C) Errors in machine setup and operation
D) Natural wear and tear of equipment
2. If a workpiece is not properly clamped, what potential problem could happen?
A) The part might shift during machining
B) The machine will automatically stop
C) The tool will become sharper
D) The cutting speed will increase
3. Why is performing a "dry run" important before actual machining?
A) To save electricity
B) To visualize potential tool path problems
C) To make the machine warm up
D) To test the machine's speed
4. Which action should ALWAYS be taken immediately during a potential collision?
A) Ignore the problem
B) Press the emergency stop button
C) Continue the current operation
D) Call a supervisor immediately
5. What could be a dangerous consequence of a CNC machine collision?
A) Slightly increased production time
B) Minor tool wear
C) Safety hazards from flying debris
D) Improved machine performance
6. An incorrect Tool Length Offset (TLO) might cause:
A) Faster cutting speeds
B) More precise machining
C) The tool cutting deeper than intended
D) Improved tool sharpness
7. Why is documenting a collision important?
A) To create unnecessary paperwork
B) For root cause analysis and potential warranty claims
C) To blame someone else
D) To make the machine look bad
8. What is the BEST first step after a collision occurs?
A) Immediately restart the machine
B) Visually inspect the damage carefully
C) Ignore the problem
D) Continue the current operation
9. Which factor can contribute to operator errors during CNC machining?
A) Excessive focus
B) High energy levels
C) Distraction or fatigue
D) Perfect concentration
10. Prevention of CNC collisions primarily involves:
A) Buying more expensive machines
B) Thorough programming and careful setup
C) Hiring more experienced workers
D) Using larger tools
Answer Key:
1. C
2. A
3. B
4. B
5. C
6. C
7. B
8. B
9. C
10. B
Scoring Guide:
9-10 correct: Expert Level
7-8 correct: Advanced
5-6 correct: Developing
0-4 correct: Needs More Learning
Note: This quiz is designed to assess understanding of CNC machine safety concepts at a middle school level, focusing on critical thinking and practical knowledge.
CNC Theory & MCQ English Book
Comments
Post a Comment