When installed horizontally, 1-1/4-inch polypropylene pipe and tubing shall be supported at maximum intervals of __________.

1. All of the following are minimum requirements of a water heater installation, except __________.

When there is a conflict between the requirements of the code and the manufacturer’s

installation instructions, the __________ requirements apply.

1. When is a common building sewer connecting more than one building to the public sewer allowed?

1. Water closets installed in public and employee restrooms do not require __________ seats.

a. nonabsorbent b. elongated

c. open front d. integral

6. The minimum burial depth of exterior water service piping is __________ inches

below grade.

2. In each toilet room of an institutional occupancy, urinals may be substituted for no more than __________ percent of the required number of water closets.

4. Materials required by the code to comply with a referenced standard must be listed by

a(n) __________ agency.

a. evaluation service b. third-party testing

c. third-party certification d. accreditation service

4. All of the following materials are approved for both above ground and below ground installations of the building drainage system except __________.

5. A chemical waste piping system requires __________.

6. Which of the following is not specifically allowed for sealing around a pipe that

passes through an exterior wall?

a. flashing b. caulk

c. foam sealant d. gasketing system

Where the frost line is established at 30 inches, water service pipe shall be installed a

minimum of __________ inches below grade.

1. For other than one- and two-family dwellings, rainwater from roofs shall drain to a(n) __________.

a. sanitary sewer b. storm sewer

c. street d. approved location

The maximum retention time for untreated gray water in a collection reservoir is __________ hours.

A three-compartment pots-and-pans sink is permitted to be installed on one trap, provided __________.

a. the vertical distance from the fixture outlet to the trap weir does not exceed 30

inches

b. the waste outlets are not more than 30 inches apart

c. one compartment is not more than 8 inches deeper than another compartment

d. the horizontal distance from any one outlet to the trap inlet is not more than

A __________ trap is approved on a dental cuspidor, where it is designed to capture solids such as dental gold, silver or porcelain.

Exposed traps are prohibited in __________.

a. trauma centers b. accessible public restrooms

c. food service establishments d. mental health facilities

A __________ is required to discharge indirectly through an air gap to the sanitary drainage system.

A __________ is allowed to discharge through an air break into an indirect waste receptor.

Floor drains in walk-in refrigerators of food establishments shall be __________.

A vent piping system is necessary to prevent pressure differentials of more than

__________ against the trap seal of any fixture.

The vent system for a chemical waste system must __________.

What is the minimum size required for a stack vent serving a 21/2-inch waste stack?

What is the minimum size required for a waste stack vent receiving the discharge of two drainage fixture units at each of three branch intervals?

Provided the total discharge for the stack is not exceeded, what is the maximum number of drainage fixture units allowed to discharge to a 3-inch-diameter waste stack vent in any one branch interval?

a. two b. four

c. eight d. unlimited

A__________ is not permitted as a source for an individual water supply unless the water is treated to prevent contamination.

The maximum allowable water pressure on the water distribution system is __________.

When the maximum allowable water pressure within a building is exceeded, a __________ is required.

In one- and two-family residential occupancies, the water supply to a __________ does not require a shutoff valve.

Which valves in the distribution system are required to be identified?

In nonresidential occupancies, tempered water for washing purposes shall be limited to not more than __________ °F by a temperature limiting device.

The International  Residential  Code (IRC) is applicable to plumbing work in town-houses not more than __________ in height with a separate means of egress.

a. 

The provisions of the appendices do not apply unless __________.

The extension of a soil or waste stack above

the highest horizontal drain connected to the stack.

A vertical vent pipe installed primarily for

the purpose of providing circulation of air to and from any

part of the drainage system.

A building sewer that conveys storm water or

other drainage, but not sewage.

A building sewer that conveys sewage only.

A building sewer that conveys both sewage

and storm water or other drainage.

Waste discharged from lavatories, bathtubs,

showers, clothes washers and laundry trays

Vent pipes through the roof require __________.

Piping installed by tunneling shall be protected from __________.

Where the bedding for piping installed in a trench consists of backfill, __________ is

an approved material.

A__________ used as an indirect waste receptor does not require a removable strainer.