Backflow boyz

A knowledgeable plumber examining backflow prevention devices in a workshop, with diagrams and tools visible, bright and engaging atmosphere.

Backflow Prevention Quiz

Test your knowledge on backflow prevention devices and their installation! This quiz covers various aspects of backflow prevention methods including regulatory requirements and best practices.

Join other professionals in the plumbing industry to enhance your understanding and identify areas for improvement.

Multiple choice questions
Engaging and informative
Suitable for professionals

14 Questions4 MinutesCreated by TestingTurtle547

An RP backflow preventer may be installed in a pit:

If the pit is connected to a gravity drain.

If the pit is well drained due to soil conditions.

If the test ports are capped off.

Not allowed

As a punishment for stupid apprentices

If a BFP is installed at a height greater than 1.5 m:

An extension ladder is required

A scissor lift is required

A forklift with a personal cage is required

A permanent fixed the platform is required

Walk off the site and let foreman figure it out, this is beyond your pay grade

Spring tension loss on the #1 check valve of a DCVA must be:

Between 1 and 5 psid

Not less than 1 psid

Between 5 and 10 psid

Not less than 2 psid

When testing the #2 check valve on an RP:

The reading on the test kit must hold for two minutes and be recorded

The reading on the test kit must hold for two minutes and the valve is recorded as closed tight.

This is a test for a DCVA.

This is a test for a PVB.

When installing a BFP on the vertical:

It is OK as long as you hang it properly

You must consult the manufacturer to be sure it can be installed on the vertical

Whatever the owner of the building says

None of the above

Which of the following results would constitute a pass when testing a DCVA:

	#1 Check Valve	#2 Check Valve
A.	0.9 psid	1.2 psid
B.	1.2 psid	0.9 psid
C.	3.9 psid	0.8 psid
D.	5.1 psid	1 psid

When installing an AVB it’s critical limit must be at least:

300 mm above flood level rim

150 mm above flood level rim

35 mm above flood level rim

25 mm above flood level rim

DCAP stands for:

Double check with atmospheric port

Double check with intermediate vent

Dual check with intermediate vent

Dual check with atmospheric port

Don’t cry during anal penetration

The five clearance requirements for the instillation of a testable BFP are:

Behind 300 mm, Above 300 mm, in front 20 mm, minimum height off floor 750 mm, Maximum height off floor 750 mm, below relief valve 300 mm

Behind 20 mm, Above 300 mm, in front 750 mm, minimum height off floor 750 mm, Maximum height off floor 1500 mm, below relief valve 300 mm

Behind 30 mm, above 300 mm, in front 750 mm, minimum height off the floor 750 mm, maximum height off floor 1500 mm, below relief valve 300 mm

Behind 750 mm, above 300 mm, in front 750 mm, minimum height of floor 750 mm, maximum height of floor 1500 mm, below relief valve 300 mm

Bonus question! When testing the relief valve on an RP, if the relief valve will not dump no matter how much valve B is opened, this indicates:

The test kit is fucked and needs to be recalibrated

The relief valve needs to be repaired

#2 shut off is not holding

Cocks weren’t tested enough

#1 shut off is not holding

This scenario cannot occur

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Backflow Prevention Quiz

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