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- 1. Multiple Choice
1.The tubing intended for refrigeration and air conditioning installation should be.
A. Wet
B. Clean and dry
C. Moisturized
D. Oily
- 2. Multiple Choice
2. The tubing to be swaged is clamped
A. Flaring block
B. Bench vise
C. Vise grip
D. Pliers
- 3. Multiple Choice
3. Which tools are used to enlarge and swage the end of the copper
tubing?
A. Flaring Process
B. Bending tools
C. Flaring block
D. Swaging tools
- 4. Multiple Choice
4. What is the excellent heat source for silver brazing?
A. Soldering iron
B. Oxy-acetylene
C. Blow torch
D. Electric stove
- 5. Multiple Choice
5. What tool is used for tightening or loosening screws in extremely closed places?
A. Offset
B. Torx head
C. Flat screw
D. Stub
- 6. Multiple Choice
6. A wrench with flat interior surface so that it is less likely to slip off when
working with hex head bolts, nuts, or screws.
A. Open end
B. Box wrench
C. Combination
D. Flat nut
- 7. Multiple Choice
7. What kind of tubing is considered strong, highly resistant to corrosion, and easily
connected to fittings by either flaring or brazing?
A. Rubber
B. Stainless Steel Tubing
C. Aluminium
D. Copper
- 8. Multiple Choice
8. Which of the following tubing is installed in the suction and discharge lines of the system in
order to prevent vibrations of the mechanism?
A. Copper Tube
B. Rubber
C. Steel
D. Plastic
- 9. Multiple Choice
9. Which tools are used to enlarge the end of the tubing to make flared a fitting?
A. Swaging tools
B. Flaring tools
C. Bending tools
D. Cutting tools
- 10. Multiple Choice
10. The process of applying molten metal to heated metals is called
A. Clamping
B. Soldering
C. Welding
D. Riveting
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