2021 ICC P1 Residential Plumbing Inspector Exam Quiz

A Type B or L gas vent must terminate not less than __________ in vertical height above the highest connected appliance draft hood or flue collar.

Where plumbing fixtures are installed, the water distribution system and drainage system of any building or premises must be connected to a public sewer system or water supply __________?

When water testing a DWV system, each section must be filled with water, and the water has to be held in the section for __________ minutes or more.

The centerline of bidets or water closets must be at least __________ inches from partitions or walls adjacent to it.

Water heaters installed in garages, must be elevated so that the source of ignition is a minimum of how many inches above the garage floor?

If a water supply outlet is providing water to a water closet with a flushometer tank, what is the required gpm flow rate, at the point of outlet discharge?

Water service pipe or tubing installed outside of the structure and underground, must have a working pressure rating of at least __________ at 73°F.

The drainage fixture unit value (d.f.u.) of a kitchen group with a dishwasher and sink with or without a garbage grinder would be __________?

The minimum distance that an open vent terminal from a drainage system is __________ horizontally from any door, openable window or other air intake opening.

If a vent terminal extends through a wall it must terminate at least __________ feet above the highest surrounding grade within 10 feet of the vent terminal.

What is the minimum expansion tank capacity to be used in a system where a forced hot water system has a system volume of 70 gallons and the system is a pressurized diaphragm type?

A single-wall metal pipe connector must have a clearance of at least __________ inches from combustible materials for a residential furnace with a listed draft hood and gas conversion burner.

When air testing DWV systems on completion of the rough piping, the portion under test must be maintained at a gauge pressure of 5 pounds per square inch (psi) for a period of __________.

Pipes must be protected from external corrosion by a protective __________, or some other means that will withstand any reaction from the lime and acid of cinder, concrete, or other corrosive material when they must pass through cinder or concrete walls and floors, cold-formed steel framing, or other corrosive material.

If the manufacturer’s instructions on a whirlpool bathtub pump are not specific about minimum size of field fabricated access openings and location, the access opening for the circulation pump must be at least__________?

The minimum sized trap to be used for a shower drainage system is __________?

When using a pressure-relief valve to protect a water heater it must be set to open at least ________ psi above the system pressure.

One-quarter bends 3 inches in diameter are acceptable for water closet or similar connections, provided that a ___________ flange is installed to receive the closet fixture horn.

A horizontal combination waste and vent pipe must have a max. slope of __________.

The sump pit must be a minimum of __________ deep.