Exam Questions and Answers (2026/2027) |
Updated Review | A+ Verified
• 4' 6" Below Grade . CORRECT ANSWER: Water Services Shall Be Installed
Not Less Than:
• Insulated/Heated or Both . CORRECT ANSWER: Piping installed in exterior
walls or areas subject to freezing must:
• 36" Below Grade . CORRECT ANSWER: Building Sewers connected to a public
sewer shall have a minimum coverage of:
• Under a water heater 6 gallons or greater that is elevated . CORRECT ANSWER:
A safe waste pan shall be installed
• 2" deep with 2" clearance around heater . CORRECT ANSWER: A safe waste
pan shall be at least
• 10' undisturbed compacted earth . CORRECT ANSWER: Water service piping
and building drain/sewer shall be separated by:
• Water line is installed minimum 12" above sewer line at highest point .
CORRECT ANSWER: Water service separation distance is not required if:
• 50' . CORRECT ANSWER: Distance for a septic tank/sewer to a private water
supply(well) is:
• 6"below the roof with an approved fitting . CORRECT ANSWER: Where frost
closure is common an increase in vent size shall take place:
• "V" zone (subject to wave heights in excess of 3') . CORRECT ANSWER: High
Hazard flood zone is:
• 8.0% Lead . CORRECT ANSWER: Lead free pipe and fittings contain less than:
• 110 degrees . CORRECT ANSWER: Hot water is water at temperature greater
than or equal to:
, • 0.2% Lead . CORRECT ANSWER: Lead free solder and flux contain no more
than
• 0.5 inches . CORRECT ANSWER: Strainer plates on drain lines for rodent
proofing must have openings:
• Two pipe size greater than the pipe passing through it . CORRECT ANSWER:
Sleeves for pipes passing through foundation walls or under footings shall be:
• 500' . CORRECT ANSWER: Travel distance to toilet facilities in
merchantile/occupancies are:
• 300' . CORRECT ANSWER: Travel distance to toilet facilities in covered malls
are:
• 15" . CORRECT ANSWER: Water closets, bidets or lavatories shall have a
clearance from center of fixture to wall of:
• 21" . CORRECT ANSWER: The required clearance from front of fixture to a
wall, door or other fixture is:
• 3" . CORRECT ANSWER: Minimum size floor drains for public laundries or
central washing facilities is:
• 1 1/2" . CORRECT ANSWER: Shower waste outlets shall be minimum of:
• 3" . CORRECT ANSWER: Minimum size removable strainer for shower
compartments are:
• .25 inches . CORRECT ANSWER: Minimum size floor drain strainer opening is:
• 4 pounds per square foot . CORRECT ANSWER: Sheet lead shall not weigh less
than:
• 12 ounces per square foot . CORRECT ANSWER: Sheet copper shall not weigh
less than:
• 67% . CORRECT ANSWER: Urinals shall not be substituted for more than what
percent of water closets?