Question

according to common standards, which of the following do we have to do?
test the effectiveness of anti - siphon devices
identify whether the supply system is public or private
locate the main water shutoff valve
operate automatic safety controls
operate isolating valves

question 38
common problems with shutoff valves in the house include all of the following except
missing
leaking
inoperable
damaged handle
located in a basement

Explanation:

For the first question, identifying whether the supply system is public or private is a common - standard requirement in some contexts related to water supply management. For the second question, a shut - off valve being located in a basement is not a problem in itself, while missing, leaking, inoperable, or having a damaged handle are common issues.

Answer:

First question: identify whether the supply system is public or private
Second question: located in a basement