I am certain that was an intentional set-up by the home owner to conceal the termites.
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Congrats to David Rey & Jordan Ballard. Got 4 of 5.
No one had #4 correct. Perhaps Martin will clear this up.
- What is the minimum number of inches a vent pipe can extend out of the roof?
a) 3
b) 2
c) 4
d) 6
D
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2) Name the trap assembly used when the drain is centered under one bowl of the kitchen sink.
a) Center Outlet Continuous Waste
b) End Outlet Continuous Waste
c) Under-the-Sink Assembly
d) Single Trap Assembly
B
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3) Type M copper pipe has ____ color printing on it.
a) blue
b) red
c) green
d) none of the above
B
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4) What type of pipe has the least amount of friction loss?
a) CPVC
b) PVC
c) galvanized
d) pex
D
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5) What size of the drain is required for a shower stall?
a) 1 1/2"
b) 2"
c) 2 1/2"
d) 4"
e) None of the above
B
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Extra Credit!
WHO sang this on WHAT #1 song?
Love to hang out longer
Josh Turner - Time Is Love
13,423,307 views
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#4 was a head scratcher. There’s a few variables where it was between PEX and PVC. I would have picked PEX but it’s only a guess. The other answers were pretty easy.
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Congratulations to David and Jordan.
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Congrats, @drey & @jballard6. 
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Congratulations to David and Jordan !!
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Congratulations, David and Jordan, well done.
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Thanks everyone. 
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What is the rationale for the official answer? Do installation methods or techniques have an impact on flow rates and friction loss? Does pipe ID affect friction loss? How do fittings affect friction loss?
Congratulations, David and Jordan.
Most of us are not interested in you
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Not anymore. I thought I fixed that before.
Just wondering what the justification was on the answer. Considering all of the variables, what makes PEX the only correct answer?
Why didn’t you try & answer the questions.
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Friction loss. There are a few tables that will give you comparisons. I find them tedious so I did not challenge the question. Here is one.
You’re welcome to participate on the next set.
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Thanks Marc, I enjoy this thread. I don’t always have time to research the tough questions but I always follow. I appreciate what you guys do!
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