C-43 Sheet Metal Exam

Welcome to your free C-43 Sheet Metal Exam

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1. 
How many 4’ x 10’ sheets of metal are needed to fabricate 300’ of gutter with a stretch-out of 13 inches?

2. 
Which tool is used to attach an end-cap on a 5” ogee rain gutter?

3. 
When fabricating a downspout with a cornice brake, what type of seam should be used?

4. 
Which of the following materials is recommended to break contact between dissimilar metals in order to prevent electrolysis?

5. 
The rise of a slope is 6”, and the horizontal is 8”. What is the pitch?

6. 
Which of the following is recommended for flat-seam metal roofs?

7. 
The highest temperature that a particulate can be in a galvanized or aluminum duct is ___________.​

8. 
When discussing oxidation, patina is usually associated with__________.

9. 
Which of the following is recommended for hanging ducts from an open web truss system?

10. 
What is the minimum recommended distance between straps when hanging gutters?