Exam 10: System Connections

__________, a material that is applied to the male portion of a joint prior to soldering, reduces the amount of oxidation on the joint and helps remove dirt or other particulate matter from the joint while soldering.

It is necessary to use flux when brazing one copper component to another.

Type L copper pipe is measured by the outside diameter.

List eight commonly used pipe fittings.

What type of gas is used to pressurize new ACR piping circuits for leak detection purposes?

Which HVAC wiring connections are low voltage?

When referring to plastic pipe, what does the acronym ABS stand for?

The nominal size of 5/8" O.D. copper pipe is ____.

What are the two alloys in 50/50 solder?

Soft-drawn copper tubing typically comes in ____ ft rolls.

ACR copper pipe is measured by the outside diameter.

One of the most important tasks the installation crew can perform to ensure the long-term satisfactory operation of the air conditioning system is the proper installation of the refrigerant lines. List six guidelines for installing refrigerant lines so that they will operate correctly.

What are the two alloys in 95/5 solder?

When soldering, the copper pipe is heated to ____ degrees F.