Sweating and braze copper quiz

What is the term for solder being pulled into a solder joint?

• Capillary Action

• Caterpillar action

• Newtons law

Why do we always deburr our piping

• Because our journeyman yell at us

• Because it causes turbulence in the pipe that degrades the piping .

• it keeps the GPM flow even through the pipe

Where do you start you heat for soldering ?

• The side furthest from you and wick it around.

• At the bottom and work your way around

• The side closest to you and wick it around

• At the bottom and work up on each side

Why should you heat the pipe first, and then the fitting?

• Because that's what the cool kids do

• Because my instructor said so.

• Otherwise the fitting will melt

• Because a solder joint is two separate assemblies with an air gap in between.

Why are lead free valves hard to solder?

• Pro Press fo life

• Because lead free sucks

• The dissimilar metals have a higher heating temperature then copper, making it harder to solder

• Lead attracted solder easier than lead free valves

What role does flux have for sweating copper pipe?

• Not sure, but I have the same tube from 1998.

• It cleans, and etches the pipe allowing solder to flow.

• It cleans the pipe by magic and it tastes good.

• The solder flows through the flux like a conduit.

Why should we not over-apply flux when sweating copper pipe?

• To save the company money

• It makes our joints look cleaner.

• The flux will travel down the pipe and poison the inhabitance.

• The flux will carry down the inside of the pipe and eventually cause pin holes

What role does sanding fittings and pipe prior to soldering and brazing?

• To remove dirt and debris before applying flux, or braze rod

• To take more time on a job

• To allow for proper joining procedure.

• Because the manufacturer said so for warranty issues