Backflow Test Prep 1 questions with accurate
answers
A "special application device" is a term used to describe mechanical
backflow preventers that Ans✓✓✓ do not meet the design requirements
of an approved backflow prevention assembly
A certified BAT must renew their certificate Ans✓✓✓ by January 1st
of each year
A column of water 12" high exerts ____ psi at the base Ans✓✓✓ 0.433
A column of water exerts pressure at the bottom of the column due to
the Ans✓✓✓ weight of the water in the column
A compensating valve may be used to Ans✓✓✓ compensate for a
leaking SOV #1 while testing an approved DCVA
A cross-connection is defined as any actual or potential physical
connection between a public potable water system or the consumer's
potable water system and any source of non-potable liquid, solid, or gas
that could the potable water supply by backflow Ans✓✓✓ contaminate
A differential pressure test kit is used to measure Ans✓✓✓ the
difference between high and low pressure in an approved backflow
prevention assembly
, A direct cross-connection is subject to Ans✓✓✓ both backsiphonage
and backpressure
A sight tube is used while testing an approved Ans✓✓✓ DCVA
According to Washington State Regulations, how often must approved
backflow prevention assemblies be tested by a DOH certified BAT?
Ans✓✓✓ annually
After testing a DCVA, to return the assembly to service the BAT should
Ans✓✓✓ close all test cocks, open SOV #1 and then slowly open SOV
#2
All chemicals entering the potable water control of the water system that
are not under the direct purveyor must be considered Ans✓✓✓ a High
Health Hazard
An approved air gap is a physical separation between Ans✓✓✓ the end
of the potable water supply pipe and the overflow rim of the receiving
vessel, a distance of at least 2 times supply pipe diameter and never less
than 1"
An approved air gap is acceptable as backflow protection for Ans✓✓✓
Backpressure as well as Backsiphonage and both High and Low Health
Hazard
answers
A "special application device" is a term used to describe mechanical
backflow preventers that Ans✓✓✓ do not meet the design requirements
of an approved backflow prevention assembly
A certified BAT must renew their certificate Ans✓✓✓ by January 1st
of each year
A column of water 12" high exerts ____ psi at the base Ans✓✓✓ 0.433
A column of water exerts pressure at the bottom of the column due to
the Ans✓✓✓ weight of the water in the column
A compensating valve may be used to Ans✓✓✓ compensate for a
leaking SOV #1 while testing an approved DCVA
A cross-connection is defined as any actual or potential physical
connection between a public potable water system or the consumer's
potable water system and any source of non-potable liquid, solid, or gas
that could the potable water supply by backflow Ans✓✓✓ contaminate
A differential pressure test kit is used to measure Ans✓✓✓ the
difference between high and low pressure in an approved backflow
prevention assembly
, A direct cross-connection is subject to Ans✓✓✓ both backsiphonage
and backpressure
A sight tube is used while testing an approved Ans✓✓✓ DCVA
According to Washington State Regulations, how often must approved
backflow prevention assemblies be tested by a DOH certified BAT?
Ans✓✓✓ annually
After testing a DCVA, to return the assembly to service the BAT should
Ans✓✓✓ close all test cocks, open SOV #1 and then slowly open SOV
#2
All chemicals entering the potable water control of the water system that
are not under the direct purveyor must be considered Ans✓✓✓ a High
Health Hazard
An approved air gap is a physical separation between Ans✓✓✓ the end
of the potable water supply pipe and the overflow rim of the receiving
vessel, a distance of at least 2 times supply pipe diameter and never less
than 1"
An approved air gap is acceptable as backflow protection for Ans✓✓✓
Backpressure as well as Backsiphonage and both High and Low Health
Hazard
