Journeyman Plumbers Exam Plumbing Fixtures and Appliances 4

Question 1

What minimum clearance is required in front of a water closet per the IPC?

Accepted Answer

30 inches

Answer

The IPC requires at least 30 inches of clear space in front of a water closet for user access and usability.

Question 2

A trap seal must be maintained at a minimum depth of:

Accepted Answer

2 inches

Answer

The IPC requires a minimum 2-inch water seal depth in fixture traps to prevent sewer gases from entering the building.

Question 3

Which showerhead flow rate does the current federal Energy Policy Act limit residential showerheads to?

Accepted Answer

2.5 gpm

Answer

The federal Energy Policy Act limits residential showerheads to a maximum flow rate of 2.5 gallons per minute at 80 psi.

Question 4

A dual-flush toilet typically uses how much water for a full flush versus a reduced flush?

Accepted Answer

1.6 gpf full / 0.8 gpf reduced

Answer

Standard dual-flush toilets use 1.6 gpf for solid waste and 0.8 gpf for liquid waste, cutting average water use significantly.

Question 5

A urinal's flush volume per the IPC must not exceed:

Accepted Answer

1.0 gpf

Answer

The IPC limits urinal flush volume to a maximum of 1.0 gallon per flush to conserve water.

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