2018 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 testing a DWV system, each section must be filled with water to at least __________ feet above the highest point in the completed section, or the highest fitting connection in that section.

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

A water heater with an ignition source must be elevated so that the ignition source above the floor by at least __________ inches. (Exception ignored.)

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?

A water service pipe must be at least __________ inch(s) in diameter.

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. (Exceptions ignored.)

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 __________?

A pressure-relief valve must have a setting to open when system pressure reaches no more than __________ psi, and never in excess of the working pressure of the tank.

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.