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13 Cards in this Set
- Front
- Back
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What type of copper tubing joint requires the use of a ferrule? |
Compression |
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What type of copper tubing is not identified by color on the tubing itself? |
Soft tempered |
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The pipe fitting which makes a 180 degree turn is called? |
Return fitting |
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The final step in the galvanizing of pipe is to dip the pipe into a bath of molten (blank) |
Zinc |
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Which of the following is not a reason to use stud bolts instead of machine bolts for bolting flanged piping joints |
Stud bolts in the less frequently used size and materials can be readily made from round stock |
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Where should the pressure enter a globe valve? |
Depends on the desired action of the disc or plug becomes detached from the stem (fail open or failed closed) |
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In a piping installation allowing for expansion in two directions, how should the anchor and guide be positioned relative to each other? |
Guide, anchor, guide |
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What are the 3 fuel gases used for heating pipe or tubing |
MAPP, acetylene, propane |
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The purpose of the foot switch on a power operated pipe cutting and threading machine is toquen |
Act as a safety device to **** off the motor if the operators foot is removed from the switch |
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Which of the following is not a reason for using cutting oil when threading pipe |
To protect the threads from rust |
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Which |
Never |
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The color code for type K copper tube is |
Green |
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Which of the following types of copper tubes has the smallest wall thickness |
DWV |
