Topic Quiz, 4-Hour, Plumbing Flashcards
The water service pipe should be installed at least _____ below grade or ____ below the frost line.
a. 6’’, 12’’
b. 12’’, 6’’
c. 12’’, 18’’
d. 6’’, 6’’
b. 12’’, 6’’
[IRC P2603.5]
The minimum size pipe used from a water main to a house is: _____
a. 1/2’’
b. 1’’
c. 1 1/2’’
d. 3/4’’
d. 3/4’’
[IRC P2903.7]
PEX (Cross-linked polyethylene) tubing should be supported at least every _____ horizontally & vertically every_____.
a. 32’’, 10’
b. 32’’, 2’
c. 3’’, 10’
d. 6’’, 10’
a. 32’’, 10’
[IRC TABLE P2605.1]
Shower compartments shall have at least ____ of interior cross-sectioned area.
a. 300 sq in
b. 666 sq in
c. 900 sq in
d. 1200 sq in
c. 900 sq in
[IRC P2708.1]
Plumbing fixtures OTHER than _______, shall be provided with strainers.
a. bathtubs
b. shower stalls
c. water closets
d. water receptors
c. water closets (toilets)
[IRC P2702.1]
What is the minimum size trap for a bidet?
a. 1.5’’
b. 1.25’’
c. 2’’
d. 2.5’’
b. 1.25’’
[IRC TABLE P3201.7]
What is the minimum size of a drain pipe on any appliance?
a. 1 1/4’’
b. 2’’
c. 1 1/2’’
d. 3’’
a. 1 1/4’’
P2713.1 Bathtub Waste Outlets
P2714.1 Sink Waste Outlets
P2715.1 Laundry Tub Waste Outlet
P2716.1 Food-Waste Disposer Waste Outlets
P2717.2 Sink and Dishwasher
*** IRC states all serviced by 1 1/2’’ drain
A kitchen drain, if properly trapped, will have a minimum water seal of: _______
a. 4’’
b. 3’’
c. 2 1/2’’
d. 2’’
d. 2’’
[IRC P3201.2]
The minimum diameter of a floor drain waste outlet is: _____
a. 1 1/4’’
b. 1 1/2’’
c. 2’’
d 3’’
c. 2’’
[IRC P2719.1]
The minimum diameter for a dry vent is: ______
a. 1 1/4’’
b. 1’’
c. 1 1/2’’
d. 2’’
c. 1 1/2’’
[IRC P3108.3]
When a vent terminates less than 2’ above a window, what is the minimum horizontal distance required to the window opening?
a. 10’
b. 4’
c. 6’
d. 5’
a. 10’
[IRC P3103.5]
The minimum size of a plumbing exhaust vent is _____?
a. 1’’
b. 1 1/2’’
c. 2’’
d. 1 1/4’’
d. 1 1/4’’
[IRC P3113.1]
Water heaters located in a bedroom or bathroom shall be installed in a sealed enclosure so that combustion air will not be taken from the ______ space.
a. entire
b. immediate
c. living
d. ALL OF THE ABOVE
c. living
[IRC M2005.2]
A water heater inspection includes checking for all of the following features EXCEPT:
a. Pressure relief valve
b. A fullway valve
c. Vacuum breaker installation
d. Minimum clearance above garage floor of 18’’ to source of ignition
c. Vacuum breaker installation
[TAC §535.231(b) (iv), (viii) & (xii)
Access to water heaters located in an attic or underfloor crawl space is permitted to be through a ______ located in a sleeping room or bathroom where ventilation of those spaces is in accordance with code.
a. access door
b. shower
c. closet
d. ALL OF THE ABOVE
c. closet
[IRC M2005.2.1]
What is the maximum length of a gas line that connects to a gas appliance?
a. 6’
b. 8’
c. 3’
d. 12’
a. 6’
[IRC G2420.5.1 & G2422.1.2.1]
There should be NO gas pipe in circulating or ventilating air ducts (TRUE/FALSE)
TRUE
[IRC G2415.3]
Gas piping must be buried at least _____ underground
a. 18’’
b. 12’’
c. 24’’
d. 8’’
b. 12’’
[IRC G2415.12]
For a whirlpool tub, access openings size minimum _____ must be provided.
a. 12’’ X 12’’
b. 12’’ X 18’’
c. 20’’ X 30’’
d. 22’’ X 30’’
a. 12’’ X 12’’
[IRC P2720.1]
Whirlpool tub pump must be accessible & installed above the _____ of the traps.
a. Trap arm
b. Crown weir
c. Slip joint
d. Vacuum breaker
b. Crown weir
[IRC P2720.2]
Temperature limiting device for tubs required at maximum ______ .
a. 100°F
b. 110°F
c. 120°F
d. 130°F
c. 120°F
[IRC P2713.3]
[SCENARIO]
An inspector is in a garage inspecting a water heater. The inspector see the water heater is installed 18’’ above the garage floor, has a galvanized pan under it, it is piped to the outside of the dwelling. The inspector is looking for combustion air openings. There is an attic above the compartment of the water heater & an access door from the garage to the water heater. Where are these openings to be located?
a. 2 openings, one at the top & one at the bottom.
b. 1 opening at the top, the other opening at the top with a pipe extending down into the confined area.
c. 2 openings, one within 6’’ of the top, one within 6’’ of the bottom of the confined space.
d. 2 openings, one within 12’’ of the top, one within 12’’ of the bottom of the confined space.
d. 2 openings, one within 12’’ of the top, one within 12’’ of the bottom of the confined space.
[IRC G2407.6.1, FIGURE G2407.6.1(1), FIGURE G2407.6.1(2), FIGURE G2407.5.3]
A water closet, lavatory or bidet shall not be set closer than _____ from its center to any side wall, partition or vanity. There shall be a clearance of not less than _______ in front of a water closet, lavatory or bidet to any wall, fixture or door.
a. 12’’, 18’’
b. 24, 24’’
c. 18’’, 24’’
d. 15’’, 21’’
d. 15’’, 21’’
[IRC P2705.1 (5)]
Sillcocks, hose bibbs, wall hydrants and other openings with a hose connection shall be protected by an ____ or _________, a __________ or a ________.
a. atmospheric-type vacuum breaker
b. pressure-type vacuum breaker
c. pressure vacuum breaker assembly
d. permanently attached hose connection vacuum breaker
e. ALL OF THE ABOVE
e. ALL OF THE ABOVE
[IRC P2902.4.3]