Exam (elaborations)
Backflow Final Questions and Answers 100% Verified | Updated
- Course
- Institution
Backflow Final Questions and Answers 100% Verified | Updated
[Show more]
Content preview
Backflow Final Questions and Answers100% Verified | Updated 2024-2025
All the following are required parts of an atmospheric vacuum breaker (asse1001)
except a
Air inlet float valve
The body
Air canopy
Shutoff valve - ANSWER Shutoff valve
A single check valve for a backflow prevention is acceptable
For low hazard
For non-hazard residential
applications
On boilers only
Never - ANSWER Never
,The following absolute pressure could cause backsiphonage to occur in a hydraulic
system (distribution system) at sea level
10.5 psia
15.0 psia
33.9 psia
100 psia - ANSWER 10.5 psia
It is the recommended that double check backflow prevention assembly (asse
1015) be installed with its lowest point a minimum of
Six inches from wall
Twelve inches from highest point of use
Twelve inches above the surrounding ground or floor
Thirty inches above the surrounding ground or floor - ANSWER 12 inches
above surrounding floor
When testing a double check valve backflow prevention assembly (asse1015)
number two shutoff valve must be closed first to
,Prevent backpressure during the test
Prevent backsiphonage during the test
Hold water in the downstream piping
Maintain pressure in the assembly - ANSWER Maintain pressure in the
assembly
Which of the following should be considered when installing a cross connection
control device or assembly?
Sidewall clearances
Degree of hazard
Distance of backflow device
from floor
All above - ANSWER All above
Backflow can occur whenever the pressure in a potable water system is ______
the pressure in a non potable piping system and the two systems are physically
connected
, Greater than
Less than
Equal to
About same as - ANSWER Less than
The required number of test cocks on a two inch and smaller pressure vacuum
breaker assembly (asse 1020) is
None
One
Two
Three - ANSWER Two
The springs on the two check valves of a reduced pressure principle backflow
preventer (asse 1013) are
Identical
The benefits of buying summaries with Stuvia:
Guaranteed quality through customer reviews
Stuvia customers have reviewed more than 700,000 summaries. This how you know that you are buying the best documents.
Quick and easy check-out
You can quickly pay through credit card or Stuvia-credit for the summaries. There is no membership needed.
Focus on what matters
Your fellow students write the study notes themselves, which is why the documents are always reliable and up-to-date. This ensures you quickly get to the core!
Frequently asked questions
What do I get when I buy this document?
You get a PDF, available immediately after your purchase. The purchased document is accessible anytime, anywhere and indefinitely through your profile.
Satisfaction guarantee: how does it work?
Our satisfaction guarantee ensures that you always find a study document that suits you well. You fill out a form, and our customer service team takes care of the rest.
Who am I buying these notes from?
Stuvia is a marketplace, so you are not buying this document from us, but from seller StudySet. Stuvia facilitates payment to the seller.
Will I be stuck with a subscription?
No, you only buy these notes for $12.99. You're not tied to anything after your purchase.
Can Stuvia be trusted?
4.6 stars on Google & Trustpilot (+1000 reviews)
80202 documents were sold in the last 30 days
Founded in 2010, the go-to place to buy study notes for 14 years now