Chapter 4 Water Distribution Systems
Exam Questions and Answers Newest
Version
In a water distribution system, the corporation cock is located - ANSWER-at the
water main
compression repair clamps should never be used - ANSWER-underground
a water and gas safety valve is designed to - ANSWER-shut off water and gas in the
event of a leak
a globe valve would best be described as a(n) - ANSWER-throttling valve
A ____ valve should be used when water is run to a silcock or other appliance that
may be subject to freezing. - ANSWER-stop and waste
using a sensitive microphone to find a leak is called - ANSWER-acoustic leak
detection
flare joints are especially adapted for use when the piping is - ANSWER-subjected to
periodic disassembly
brazed joints are commonly used with - ANSWER-underground piping
water piping should be labeled at ____ intervals. - ANSWER-20'
Graywater may only be used for a (n) ____ system. - ANSWER-irrigation
fire retardant gels are used for - ANSWER-providing heat barriers
auto shutoff connectors protect against - ANSWER-flooding by leaks or breaks
the main advantage of a butterfly valve is - ANSWER-it's thin body
A(n) ____ is used to protect against damage due to the sudden opening and closing
of a valve or fixture. - ANSWER-water hammer arrester
a pressure-reducing valve - ANSWER-converts high or fluctuating pressure to low
consistent pressure
hot water is circulated because it - ANSWER-provides instant hot water at the point
of use
Exam Questions and Answers Newest
Version
In a water distribution system, the corporation cock is located - ANSWER-at the
water main
compression repair clamps should never be used - ANSWER-underground
a water and gas safety valve is designed to - ANSWER-shut off water and gas in the
event of a leak
a globe valve would best be described as a(n) - ANSWER-throttling valve
A ____ valve should be used when water is run to a silcock or other appliance that
may be subject to freezing. - ANSWER-stop and waste
using a sensitive microphone to find a leak is called - ANSWER-acoustic leak
detection
flare joints are especially adapted for use when the piping is - ANSWER-subjected to
periodic disassembly
brazed joints are commonly used with - ANSWER-underground piping
water piping should be labeled at ____ intervals. - ANSWER-20'
Graywater may only be used for a (n) ____ system. - ANSWER-irrigation
fire retardant gels are used for - ANSWER-providing heat barriers
auto shutoff connectors protect against - ANSWER-flooding by leaks or breaks
the main advantage of a butterfly valve is - ANSWER-it's thin body
A(n) ____ is used to protect against damage due to the sudden opening and closing
of a valve or fixture. - ANSWER-water hammer arrester
a pressure-reducing valve - ANSWER-converts high or fluctuating pressure to low
consistent pressure
hot water is circulated because it - ANSWER-provides instant hot water at the point
of use
