Author Question: What is a pickling solution? A) A corrosion inhibitor used on steel pipes B) The circulating ... (Read 59 times)

Capo · **on:** Jul 24, 2018

What is a pickling solution?

A) A corrosion inhibitor used on steel pipes
B) The circulating water in a hydronic heating system
C) A water additive that is used to improve heat transfer
D) A thread sealant that stands up to boiler duty

Question 2

What is the purpose of the required auxiliary drain pan for attic installation of blower coil units?

A) To offset the negative pressure on the primary drain
B) To keep water from ruining the ceiling if the primary drain stops up
C) To make changing the drain pan easier
D) To provide faster condensate water drainage