TREC Home Inspector National Exam - Plumbing
Questions And Answers. 100% verified and
Passed!!
Boiler pressure relief valve discharge shall be piped to drains by gravity to within
_____________________of the floor or to an open receptor.
18"
Polyethylene tubing used for hydronic piping systems shall be installed with
_____________________ _____________________ joints.
heat fusion
The maximum amount of fuel oil stored above ground or inside a building shall
be _____________________ gallons.
660 gal
Vent piping on oil tanks shall not be smaller than _____________________ inch
pipe.
1 1/4"
Oil tank vent piping shall terminate outside of buildings at a point not less than
_____________________ horizontally, from any building opening.
2'
When doing a water test on DWV systems during rough-in plumbing, each
section shall be filled with water to a point not less than _____________________
feet above the highest fitting in that section.
10'
When doing an air test on DWV systems during rough-in plumbing, the portion
under test shall be maintained at _____________________ PSI for
_____________________ minutes.
5 PSI; 15 minutes
Water service pipe shall be installed not less than _____________________inches
deep and not less than _____________________inches below the frost line.
12"; 6"
, Trenching installed parallel to footings shall not extend below the
_____________________-degree bearing plane of the bottom edge of a wall or
footing.
45°
In plumbing systems, supports for 1-inch copper or copper alloy tubing run
horizontal shall not be spaced more than _____________________feet apart.
6'
Fixture tail pieces shall not be less than _____________________ inches in
diameter for sinks, dishwashers, laundry tubs, and similar fixtures.
1 1/2"
The center line of water closets or bidets shall not be less than
_____________________ inches from adjacent side walls or partitions.
15"
There shall be at least _____________________ inches clearance in front of the
water closet, bidet, or lavatory to any wall, fixture, or door.
21"
Waste receptor standpipes shall extend a minimum of _____________________
inches and a maximum of _____________________ inches above the trap weir.
18"; 42"
Shower compartments shall have at least _____________________ square inches
of interior cross-sectional area.
900sqin
Lavatories shall have waste outlets not less than _____________________ inch in
diameter.
1 1/4"
Bathtubs shall be equipped with waste outlets and overflow outlets connected to
piping at least _____________________ inches in diameter.
1 1/2"
Sinks shall be provided with waste outlets not less than _____________________
inches in diameter.
1 1/2"
Questions And Answers. 100% verified and
Passed!!
Boiler pressure relief valve discharge shall be piped to drains by gravity to within
_____________________of the floor or to an open receptor.
18"
Polyethylene tubing used for hydronic piping systems shall be installed with
_____________________ _____________________ joints.
heat fusion
The maximum amount of fuel oil stored above ground or inside a building shall
be _____________________ gallons.
660 gal
Vent piping on oil tanks shall not be smaller than _____________________ inch
pipe.
1 1/4"
Oil tank vent piping shall terminate outside of buildings at a point not less than
_____________________ horizontally, from any building opening.
2'
When doing a water test on DWV systems during rough-in plumbing, each
section shall be filled with water to a point not less than _____________________
feet above the highest fitting in that section.
10'
When doing an air test on DWV systems during rough-in plumbing, the portion
under test shall be maintained at _____________________ PSI for
_____________________ minutes.
5 PSI; 15 minutes
Water service pipe shall be installed not less than _____________________inches
deep and not less than _____________________inches below the frost line.
12"; 6"
, Trenching installed parallel to footings shall not extend below the
_____________________-degree bearing plane of the bottom edge of a wall or
footing.
45°
In plumbing systems, supports for 1-inch copper or copper alloy tubing run
horizontal shall not be spaced more than _____________________feet apart.
6'
Fixture tail pieces shall not be less than _____________________ inches in
diameter for sinks, dishwashers, laundry tubs, and similar fixtures.
1 1/2"
The center line of water closets or bidets shall not be less than
_____________________ inches from adjacent side walls or partitions.
15"
There shall be at least _____________________ inches clearance in front of the
water closet, bidet, or lavatory to any wall, fixture, or door.
21"
Waste receptor standpipes shall extend a minimum of _____________________
inches and a maximum of _____________________ inches above the trap weir.
18"; 42"
Shower compartments shall have at least _____________________ square inches
of interior cross-sectional area.
900sqin
Lavatories shall have waste outlets not less than _____________________ inch in
diameter.
1 1/4"
Bathtubs shall be equipped with waste outlets and overflow outlets connected to
piping at least _____________________ inches in diameter.
1 1/2"
Sinks shall be provided with waste outlets not less than _____________________
inches in diameter.
1 1/2"
