Question

common problems with expansion tanks on well and pump systems include all of the following except
rust
leaking
condensation
waterlogged
undersized

question 44
which of the following suggests failing galvanized steel supply piping?
weaker pressure on the hot side than the cold
weaker pressure on the cold side than the hot
vertical risers replaced with copper
green stains on the insides of plumbing fixtures
blue stains on the insides of plumbing fixtures

Explanation:

For the first question, rust, leaking, waterlogged, and undersized are common issues with expansion tanks, while condensation is not typically a main problem. For the second question, when galvanized steel supply - piping is failing, one sign can be weaker pressure on the hot side than the cold side due to corrosion and scaling that affects hot - water flow more.

Answer:

1. C. condensation
2. A. weaker pressure on the hot side than the cold