NC Plumbing I State Exam Review

The prescribed portions of the standards referenced in the IPC and listed in Chapter 15 are considered _____. a. requirements b. guidelines c. alternatives d. modifications

A (102.8)

Who is responsible for inspection scheduling? a. the permit holder b. the code official c. the contractor d. the owner

A (A107.2)

Where code provisions are in conflict with the referenced standard, the _____ provisions shall apply. a. code b. referenced standard c. most restrictive d. more specific

A (P102.8.1)

The code official be appointed by the _____. a. chief appointing authority b. building official c. director of the plumbing inspection department d. jurisdiction attorney

A (P103.2)

Construction documents for buildings more than _____ stories in height shall indicate materials and method for maintaining the required fire-resistance rating. a. 2 b. 3 c. 4 d. 6

A (P106.3.1)

Generally, one set of approved construction documents shall be retained by the code official for at least _____ days following completion of the work. a. 180 b. 120 c. 90 d. 60

A (P106.5.6)

Sheathing or wrapping for corrosion protection of pipes shall be not less than _____- inch thick. a. 0.008 b. 0.030 c. 0.035 d. 0.025

A (P305.1)

When excavating a trench for underground piping installation, rock shall be removed to a depth at least _____ below the bottom of the pipe. a. 3 inches b. 6 inches c. one pipe diameter d. two pipe diameters

A (P306.2.2)

Piping installed by tunneling shall be protected from _____. a. uneven loading b. expansion c. contraction d. excavation

A (P306.4)

Alterations to trusses require written approval of _____. a. a registered design professional b. the manufacturer c. the general contractor d. the building official

A (P307.4)

When performing an air test on a cast iron drain, waste and vent (DWV) piping at a pressure of 5 psi, the test gauge shall be marked at maximum _____ psi increments. a. 0.10 b. 0.20 c. 0.50 d. 1.0

A (P312.1.1 #1)

Water or air pressure tests on piping systems must be held for not less than _____ minutes. a. 15 b. 30 c. 10 d. 20

A (P312.2-312.8)

The building sewer requires testing under not less than a _____ -foot head of water. a. 10 b. 12 c. 15 d. 8

A (P312.6)

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

A (P315.1)

Separate toilet facilities for each sex shall not be required in mercantile occupancies with a maximum occupant load of _____ or fewer. a. 100 b. 60 c. 40 d. 80

A (P403.2 ex.3)

A water closet must be set no closer than _____ inches to a lavatory when measured center to center of the fixtures. a. 30 b. 15 c. 21 d. 28

A (P405.3.1)

A _____ shall be used to support a wall-mounted water closet. a. concealed metal carrier b. flush mount hanger c. wall flange d. horn adapter

A (P405.4.3)

For installation in an employee restroom, a urinal requires not less than a _____ -inch clearance from the center line of the fixture to a wall or partition. a. 30 b. 21 c. 15 d. 12

C (P405.3.1)

Privacy partitions for urinals are not required in a(n) _____ toilet room. a. employee b. group I-3 c. family/assisted use d. mercantile

C (P405.3.5 ex.1)

Concealed slip joint connections require an access panel not less than _____ inches in the smallest dimension. a. 20 b. 18 c. 12 d. 10

C (P405.9)

A bottled water dispenser is prohibited from being located in a _____. a. kitchen b. restaurant c. public restroom d. storage area

C (P410.5)

In order to safeguard life, health, and property, the IPC regulates all of the following within the built environment, except _____. a. design b. maintenance c. use d. cost

D (P101.3)

Required department records shall be retained _____. a. permanently b. as required by the code official c. for as long as the building is in existence d. as required for public record

D (P104.7)

A permit is not required for _____. a. replacement of a water heater b. rearrangement of valves or pipes c. replacement of a concealed vent pipe d. repairing of leaks in pipes, valves, or fixtures

D (P106.2)

Permits expire is work is not commenced within _____ days of issuance. a. 30 b. 60 c. 120. d. 180

D (P106.5.3)

The code official is authorized to suspend or revoke a permit _____. a. when work proceeds without approved construction documents b. when work does not commence within 120 days of issuance c. for failure to call for required inspections d. that was issued based on inaccurate information

D (P106.5.5)

The code official may allow a temporary connection to the utility source _____. a. pending the outcome of an appeal b. for a period not exceeding 60 days c. for construction purposes d. for testing plumbing systems

D (P107.6)

A sump pump is permitted at the base of an elevator shaft when the discharge is _____. a. monitored by an alarm system b. protected by a backflow device c. directly connected to a storm drain d. indirectly connected to the plumbing system

D (P301.6, exception)

_____ piping shall not be placed in direct contact with concrete walls or floors. a. ductile iron b. cast iron c. galvanized steel d. copper

D (P305.1)

The minimum burial depth for a building sewer is _____. a. 18 b. 12 c. 24 d. as determined by the local jurisdiction

D (P305.4.1)

Vent pipes through the roof require _____. a. protection from freezing b. caulking c. a termination cap d. flashing

D (P305.5)

The code does not permit the use of _____ to support and maintain the grade of drainage piping in a trench. a. gravel b. sand c. clay soil d. blocks

D (P306.2)

Where poor soil conditions exist at the bottom of the trench, the pipe bed shall be over excavated a minimum of _____ below the installation depth of the pipe. a. 4 inches b. 6 inches c. one pipe diameter d. two pipe diameters

D (P306.2.3)

Support hangers for 10-foot lengths of cast-iron soil pipe suspended from a ceiling shall be spaced not more than _____ feet. a. 2.5 b. 5 c. 7.5 d. 10

D (P308.5 Note a)

One-half-inch CPVC water pipe installed horizontally shall be supported at maximum intervals of _____ feet. a. 6 b. 5 c. 4 d. 3

D (P308.5)

On construction sites, _____ are required for workers. a. water dispensers b. emergency showers c. emergency eye washes d. toilet facilities

D (P311.1)

The _____ is responsible for performing tests on plumbing piping systems. a. code official b. owner c. person doing the work d. permit holder

D (P312.1)

The water supply system test must hold a water pressure not less than _____. a. 5 psi b. 50 psi c. 10-foot head pressure d. the working pressure of the system

D (P312.5)

Where water supply systems other than plastic are tested with air, the test pressure shall not be less than _____ psi. a. 10 b. 20 c. 30 d. 50

D (P312.5)

If approved, the travel distance to an employee toilet room may exceed 500 feet in a _____. a. stadium b. covered mall c. warehouse d. factory

D (P403.3.3 ex.3)

The path of travel to required toilet facilities for an employee in a warehouse shall not exceed _____ feet. a. 200 b. 250 c. 300 d. 500

D (P403.3.3)

For an employee toilet room, the required lavatory shall be _____ the required water closet. a. not more than 30 inches from b. separated by a partition from c. not less than 60 inches away from d. in the same room as

D (P405.3.2)

A required urinal partition shall extend not less than _____ inches from the wall surface. a. 22 b. 12 c. 16 d. 18

D (P405.3.5)

The fixture drain of an automatic clothes washer shall connect to a minimum ____ -inch branch drain. a. 1 1/2 b. 2 c. 2 1/2 d. 3

D (P406.2)

The waistline of an automatic clothes washer shall discharge through a(n) _____. a. backflow preventer b. vacuum breaker c. air gap d. air break

D (P406.2)

Water supply lines and fittings for every plumbing fixture shall be installed so as to prevent _____. a. condensation b. back flow c. vibration d. expansion

B (P405.1)

An automatic clothes washer requires a minimum _____ -inch fixture drain period. a. 1 1/2 b. 2 c. 2 1/2 d. 3

B (P406.2)

The waist tube of the drain outlet for a bathtub shall be not less than _____ inches in diameter. a. 1 1/4 b. 1 1/2 c. 2 d. 2 1/2

B (P407.2)

Bidets shall be equipped with a device conforming to ASSE 1070 or CSA B125.3 to limit the discharge water from fittings to a maximum temperature of _____ degrees Fahrenheit. a. 105 b. 110 c. 120 d. 130

B (P408.3)

A business occupancy is permitted to have a maximum occupant load of _____ without requiring installation of a drinking fountain. a. 10 b. 15 c. 25 d. 99

B (P410.2)

Horizontal 6-inch PVC drainage piping installed above ground requires _____ at a 45-degree change in direction. a. support b. sway bracing c. restraint d. expansion fittings

C (P308.7.1)

A residential care facility with an occupant load of 300 is required to have at least three drinking fountains. Bottled water dispensers can be substituted for _____ of the required drinking fountains. a. none b. one c. two d. three

B (P410.4)

Waste connections are not required for _____. a. laundry trays b. emergency eyewash station c. automatic clothes washers d. floor drains

B (P411.2)

For other than prefabricated shower bases, a water test at least _____ inch(es) deep at the threshold is required for shower liners. a. 4 b. 3 c. 2 d. 1

C (P312.9)

An indoor sports arena with a total occupant load of 5,440 requires at least _____ lavatories in the women's restrooms. a. 14 b. 27 c. 19 d. 37

C (P403.1)

An indoor sports arena with a total occupant load of 5,440 requires at least _____ water closets in the women's restrooms. a. 103 b. 68 c. 58 d. 46

C (P403.1)

The path of travel to required toilet facilities for an employee in a covered mall shall not exceed _____ feet. a. 200 b. 250 c. 300 d. 500

C (P403.3.4)

The code official shall require construction documents and specifications to be prepared by a registered design professional when _____. a. the proposed construction does not comply with the code b. the building exceeds two stories in height c. required by state law d. special conditions exist

C (106.3.1)

The International Residential Code (IRC) is applicable to plumbing work in townhouses not more than _____ in height with a separate means of egress. a. 35 feet b. 45 feet c. three stories d. four stories

C (P101.2, exception)

Existing plumbing systems must be brought into compliance with the IPC if the system is _____. a. repaired b. added on to c. a hazard to property d. nonconforming

C (P102.2)

The provisions of the appendices do not apply unless _____. a. referenced in this code b. applicable to specific conditions c. specifically adopted d. relevant to fire or life safety

C (P102.2)

Tests performed by _____ may be required by the code official where there is insufficient evidence of code compliance. a. the owner b. the contractor c. an approved agency d. a design professional

C (P105.3.2)

When there is conflict between the requirements of the code and the manufacturer's installation instructions, the _____ requirements apply. a. code b. more specific c. more restrictive d. manufacturer's

C (P301.7)

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

C (P303.4)

The approved methods for preventing rodents from entering a structure do not include _____. a. caulking b. strainer plates c. building traps d. meter box design

C (P304)

A pipe sleeve in a masonry foundation wall shall be at least _____ greater than the pipe passing through the wall. a. 2 inches b. 1 inch c. 2 pipe sizes d. 1 pipe size

C (P305.3)

Where the frost line is established at 30 inches, water service pipe shall be installed a minimum of _____ inches below grade. a. 30 b. 32 c. 36 d. 42

C (P305.4)

Where concealed copper piping passes through holes bored in wood studs, shield plates are not required if the bored holes are at least _____ from the nearest edge of the studs. a. 5/8 inch b. 1 inch c. 1 1/4 inches d. 1 1/2 inches

C (P305.6)

Where the bedding for piping installed in a trench consists of backfill, _____ is an approved material. a. loose soil free from rocks or frozen material b. sandy clay c. fine gravel d. organic silty clay

C (P306.2.1)

The ______ regulates piping materials that are exposed in plenums. a. IFC b. IFGC c. IMC d. IPC

C (P307.6)

PVC pipe installed vertically requires a guide installed midway between required supports for pipe sizes _____ inch(es) and smaller. a. 1 b. 3 c. 2 d. 1 1/4

C (P308.5 Note b)

One inch cross-linked polyethylene (PEX) piping installed horizontally requires hangers at intervals not greater than _____ inches. a. 48 b. 36 c. 32 d. 24

C (P308.5)

The initial backfill over pipe installed in a trench shall be in maximum _____. a. 4-inch b. 6-inch c. 8-inch d. 12-inch

B (P306.3)

For water piping adjacent and parallel to a wall footing, and installed at a depth of 12 inches below the bottom of the footing, the trench shall be located not less than _____ inches horizontally from the footing. a. 24 b. 12 c. 6 d. 18

B (P307.5)

When installed horizontally, 1 1/4 inch polypropylene pipe and tubing shall be supported at maximum intervals of _____. a. 32 inches b. 48 inches c. 8 feet d. 10 feet

B (P308.5)

A horizontal 4-inch PVC drainage pipe suspended from the ceiling requires _____ at a 90-degree turn. a. axial restraints b. sway bracing c. coupling restraints d. thrust blocks

B (P308.6)

For piping bundles in manifold water distribution systems, hot water piping _____. a. requires expansion joint fittings b. must be individually insulated c. must be thermally isolated from cold water piping d. is not permitted in bundles containing cold water piping

B (P308.9)

When located in a flood hazard area, the top of a potable water well casing without a sealed cover shall extend not less than _____ inches above the design flood elevation. a. 6 b. 12 c. 18 d. 24

B (P309.2 #3)

A water test on a building drain requires at least a _____ head of water. a. 5-foot b. 10-foot c. 12-foot d. 15-foot

B (P312.2)

There shall be at least _____ inches of clearance in front of the water closet to any wall, fixture or door. a. 12 b. 18 c. 21 d. 24

B (P314.2.2, Table 314.2.2)

A building classified as a business occupancy, with a total occupant load of 320, is required to have a minimum of _____ lavatories in the women's restroom. a. 2 b. 3 c. 4 d. 5

B (P403.1)

Which of the following information ins not specifically required on a permit application? a. location b. type of construction c. the contractor d. the owner

B (106.3)

Where different sections of the code specify different requirements, the _____ requirement shall apply. a. general b. most restrictive c. least restrictive d. specific

B (P102.1)

For materials not specifically covered by the code, supporting data necessary to verify compliance with the code must include _____. a. a referenced standard b. research reports c. testing and listing d. the manufacturer's instructions

B (P105.2)

Where code officials finds that a proposed alternative material does not comply with the intent of the code provisions, the code official shall _____. a. request additional information from the manufacturer b. state the reason for disapproval in writing to the applicant c. contact a third-party agency to authorize additional testing d. place limitations on the use of the alternative material

B (P105.2)

Where tests are required as evidence of compliance with the code, the test reports shall be retained _____. a. 180 days after completion of the project b. the period required for retention of public records c. 90 days after completion of the project d. 120 days after occupancy of the building

B (P105.3.3)

When a plumbing permit is issued, the construction documents shall be stamped _____. a. APPROVED FOR CONSTRUCTION b. APPROVED c. ACCEPTED AS REVIEWED d. REVIEWED FOR CODE COMPLIANCE

B (P106.5.1)

An application for an appeal of the code official's decision must be filed within _____ days after receipt of the notice. a. 10 b. 20 c. 30 d. 60

B (P109.1)

The board of appeals is not authorized to rule on an appeal based on a claim that _____. a. the provisions of the code do not fully apply b. a code requirement should be waived c. the rules have been incorrectly interpreted d. a better form of construction is proposed

B (P109.1)

A _____ is permitted to discharge to an approved nonpotable water system. a. bidet b. clothes washer c. floor drain d. sink

B (P301.3, exception)

The minimum burial depth of exterior water service piping is _____ inches below grade. a. 6 b. 12 c. 24 d. 30

B (P305.4)

Shield plates required to protect piping installed through notches or bored holes in framing members shall extend a minimum of _____ inch(es) above sole plates and below top plates. a. 1 b. 2 c. 3 d. 4

B (P305.6)

When concealed piping requires protection against physical damage, the steel shield plates shall be not less than _____- inch thick. a. 0.0620 b. 0.0575 c. 0.0520 d. 0.0475

B (P305.6)

Compaction is required for the first _____ inches of backfill above a pipe installed in a trench. a. 6 b. 12 c. 16 d. 20

B (P306.3)