C-43 Sheet Metal Exam

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1. 
Which of the following tools is most commonly used to form a Pittsburgh lock?

2. 
Which of the following tools is used to form a 1/4" flange on a piece of curved metal?

3. 
When discussing oxidation, patina is usually associated with:

4. 
Which of the following would you consult for information on hazardous materials specific to a job site?

5. 
What is the minimum recommended distance between straps when hanging gutters?

6. 
Why would adjustable louvers be used on an attic vent?

7. 
Where should you locate registers for ducts supplying heated or cooled air for a residence?

8. 
Which of the following is the best location for a room thermostat?

9. 
Which of the following is the best material for a container for muriatic acid?

10. 
The plan area of a building is 9,600 sq ft of roofing with a design factor of 1.10. Four downspouts of equal area will be used to drain the roof. Each downspout will drain 200 sq ft of roof area per 1 sq in of downspout area. What should be the area for each downspout?

11. 
What sort of PPE (personal protective equipment) is recommended when using cleaning solvent?

12. 
What should be done with lifelines, safety harnesses, and shock-absorbing lanyards that have been subjected to impact loading?

13. 
What is the longest standard length of a scaffold plank?

14. 
On a 120V circuit, what color is the (protective) ground wire?

15. 
What is the minimum distance apart that acetylene and oxygen cylinders must be stored?

16. 
Which of the following is a correct method for storing acetylene cylinders?

17. 
Which of the following is the best choice for hoisting a full gas cylinder?

18. 
Cylinders containing ______ shall not be taken into confined spaces.

19. 
A dry chemical or carbon dioxide fire extinguisher rated at least ______ must be kept near operations where bottled fuel gases are being used.

20. 
No more than ______ of paints, solvents, and chemicals may be stored in a room unless an approved safety storage cabinet is present.