Phase 2: Week 2 Review
The Mentor-led questions (at right) are to be asked by the Mentor during the weekly review.
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The Technician in Training should record the full Q&A discussion and upload the audio file using the form below. Once complete, press Submit to finalize this week’s assessment.
After Upload, press Submit.
Mentor-Led Q&A
1. What is the unit for Voltage?
2. ​What is the unit for current?
3. What is the unit for resistance?
4. What is the unit for frequency? What does this mean?
5. What is the unit for power? How many watts in a Horse Power? KW?
6. What is the unit for pressure?
7. What is the unit for compressed air flow?
8. What causes compressed air to flow though a pipe? Imagine two storage tanks, one with 50 PSI and one with 100 PSI. When a valve is open between them, which direction does the air flow and why?
9. What is electrical current? What causes it to flow?
10. What is a conductor and what are some examples?
11. What is an insulator and what are some examples?
12. What is electrical voltage? What are other names for it?
13. Why do you have to measure two points when measuring voltage, and not just one?
14. What does a switch do? What kinds of switches do we see in air compressors?
15. How does a fuse work? What is its purpose?
16. How does a circuit breaker work? What is its purpose?
17. How does a contactor work? What is its purpose?
18. How does an overload work? What is its purpose?