Free Journeyman Plumber Certification Questions and Answers

Question 1

It is necessary for sewage pumps or sumps used to store sewage to be ________.

Accepted Answer

Both "vented" and "covered with a gas-tight cover"

Answer

Placed outside of any habitable structure

Answer

Vented

Answer

Covered with a gas-tight cover

Question 2

When is a cleanout appropriate for a new fixture installation? What, in other words, qualifies the removal of a cleanout plug, its replacement with a male adapter, and the subsequent extension of piping to a new fixture?

Accepted Answer

When approved by a code enforcement officer and another cleanout is provided to replace the one being used as a connection point of drainage piping for a new fixture.

Answer

When approved by the master plumber who has been issued a plumbing permit

Answer

When another cleanout is provided

Answer

Never

Question 3

The plumbing that transports potable water from a water source to a water distribution system is referred to as which of the following?

Accepted Answer

Either water main and water supply

Answer

Water supply

Answer

Water main

Answer

None of the above

Question 4

Which of the following must be preserved for a water service?

Accepted Answer

Damage during or related to backfilling of the water service trench

Answer

Geothermal shifting due to seismic action

Answer

Tampering

Answer

Vandalism

Question 5

Which of the following tools can be used to enhance water pressure when a water source's pressure is insufficient for a plumbing system's requirements?

Accepted Answer

A booster pump

Answer

A pressure increasing valve

Answer

All of the above

Answer

None of the above

Question 6

Where the stack and its offset are functioning ____________ as a building drain, vertical offset vents are not needed.

Accepted Answer

sized

Answer

excluded

Answer

identified

Answer

wet vented

Question 7

Which of the following fittings may shift the orientation of piping from horizontal to vertical?

Accepted Answer

All of the above

Answer

Short-sweep fittings

Answer

90-degree elbows

Answer

Quarter bend