Packet 2
Inspection of plumbing work is required:
To insure that no foreign made materials are used
To insure that the low bidder is doing a good job
To insure compliance with job plans and specifications
To insure compliance with Code requirements
Testing water piping shall be for a period of not less than:
5 min.
10 min.
15 min.
30 min.
A room equpped with a shower or bathtub is a :
Toilet room
Bathroom
Shower room
Wash room
That Part of the drainage system which extends from the end of the building drain conveys it's discharge to a public sewer, private sewer, individaul sewage-disposal system or other point of disposal is a:
Waste pipe
Soil stack
Building sewer
Branch
Fixture coneections which may be serviced through access panel are considered:
Accessible
Readily accessible
Not acccessible
Exposed
That part of the lowest piping of a drainage systems which receives the discharge from soil, waste and other drainage pipes inside the walls of the building and conveys it to a point 2 ft. Outside the building wall is:
Building drain
Building sewer
Waste pipe
Soil stack
Which combination of fittings may be used to make an offset in a vent pipe:
1-90 degree and 1-45 degree
2-90 degree and 2-45 degree
1-45 degree and 1-60 degree
1-45 degree and 1-45 degree
Water which is safe for people to drink is referred to code as:
Potable water
Industrial Water
Soft water
Hard Water
Code definition, a vent stack is always:
Straight
Horizontal
Vertical
Exposed
A vent which also serves as a drain is a:
Island vent
Vent stack
Loop vent
Wet vent
A pipe which makes an angle of not more than 45 degree with the vertical is considered:
Vertical
Horizontal
Crooked pipe
Diagonal pipe
Disposal of sewage, or other liquid wastes, shall be by means of:
Chemical toilets
Sewage retaining marks
Plumbing and drainage systems
Sub-surface leaching pits
The liquid waste of all plumbing fixtures shall be connected to
The drainage system on the premises
The nearest storm piping system
A pipe terminating in a gravel pit
A holding tank with a pump
All piping passing under or thourgh walls shall be:
Proctected from breakage
Bent 90 degrees
Welded joints
Accessible
Burred ends of all pipe and tubing shall be:
Avoided by use of specail cutting tools
Confined to exposed and readily accessible locations
Reamed to be full bore of the pipe or tube
Painted to reduce friction
No plumbing system, drainage system, building sewer, private sewage, disposal system or parts thereof, shall be located in
The walls, floors or underground in any buildingn
Any lot other than the lot which is the site of the building served by such facilities
Pipe access spaces where accessible for repair
Any garage, equipment or locker room
Piping, fixtures or equipment, which are installed so that it interferes with normal operation and use of windows or doors, shall be
Protected from damage
Identified for resticted use
Relocated to avoid interference
Approved if acceptable by the owner
All trenches deeper that the footing of any building or structure and paralleling the same must be at leastt
45 deg. therefrom
90 deg. therefrom
4 ft. therefrom
12 ft. therefrom
Piping in the ground shall be laid on
A firm bed
Concrete blocks
Redwood stakes
Common bricks
Plastic pipe, ABS-DWV installed horizontally, shall be supported at not to exceed
4 ft.
10 ft.
8 ft.
6 ft.
Fixture connections between drainage pipes and water closets shall be made with
Expansion joints
Unions
Flanges
Hot poured compound
Screw or bolts for securing floor mounted fixtures shall be
Brass
Non corrosive material
Alumnium
Die cast zinc
Water closets or bidets shall not be closer than ____ from its center to any sidewall or partition
10 in
12 in
15 in
18 in
The overflow pipe from a fixture shall be connected to
Inlet side of fixture trap
Outlet side of fixture trap
Downstream side of fixture tee
Upstream side of the fixture tee
Every water supply to urinal shall be protected by a
Relief valve
Vacuum breaker
Metering valve
Automatic switch
Drinking fountains shall not be installed in
Restroom
Hallways
Bars
Bus Stations
Water closets set side by side shall be no closer than
15 in. Center to center
18 in. Center to center
24 in. Center to center
30 in. Center to center
Type "M" copper tubing wall thickness is
Heavier than type "L"
Heavier than type "K"
Lighter than type "L"
Lighte than type "DWV"
Vacuum breaker must be at least ___above the highest part of a urinal equipped with a flushometer valve
1 in.
3 in.
6 in.
12 in.
Vacuum breaker must be at least ___ above the surrounding ground and above the highest head for lawn sprinklers
1 in
6 in
12 in
24 in
All mealleable iron water fititings shall be
Covered
Galvanized
Painted
Removed
Cooper water tube type "M" may be installed within a building
Below slab
Above slab or underground outside structures
Embedded in concrete
If it is wrapped
After allowing for friction and other pressure losses the water pressure shall be at least
.433 psi
7.5 psi
15 psi
29 psi
A water piping system with a pressure of 110 psi will require a
Reduced pressure backflow device
Extra heavy pipe and fittings
Pressure regulator and strainer
Pressure relief valve
Unions shall be installed in water supply systems within 12 in. of
Full way valves
Hose bibs
Appliance
Regulating equipment
The type of valve allowed on a building supply to any building is a
Full port valve
Corporation valve
Solenoid valve
Globe valve
Hard drawn copper tubing, marked with a blue stripe, is referred to as
Type "K"
Type "L"
Type "M"
Type "DWV"
The acceptable fitting for connecting a horizontal drain line with another horizontal drain line is at
Sanitary tee
Cross tee
Combination Y and 1/8 bend
Side inlet 1/4 bend
The code requirement for testign with a 10 ft. Head of water is for
Gas piping
Storm drains
Sewer, drain or vent piping
Water service piping
In lieu of the water test, drainage piping may be tested with
Air
Ether
Smoke
Gas
An approved material for closet screws or bolts is
Zinc
Aluminum
Lead
Non corrosive material
A material which is not approved for cleanout plugs or caps is
Steel
ABS Plastic
Brass
PVC plastic
A straight run of building sewer will require cleanouts at intervals of not to exceed
50 ft
75 ft.
100 ft.
300 ft.
Which of these fixtures has the highest fixture unit rate?
Bathub
Water closet
Lavatory
Kitchen sink
The minimum length for a clothes washer standpipe is
12 in.
18 in.
30 in.
36 in.
All food equipment shall be separated from the drain by
An air break
An automatic vent
An air gap of two pipe diameters
None of the above
Vent pipes protect fixture traps against
Evaporation
Siphonage
Clogging
Cross connections
Galvanized steel pipes with galvanized steel fittings shall be kept above ground at least
1 in.
6 in.
12 in.
18 in.
Each vent pipe or stack shall extend through its flashing and shall terminate vertically above roof at least
6 in.
12 in.
18 in.
24 in.
Joints at the roof around vent pipes shall be made watertight by the use of
Waterproof expoxy sealer
Three layer 15 pound felt
Hot tar compound
Flashings
Horizontal vent pipes shall be level or so graded as to drip back by gravity to
The main vent pipe
The main soil stake
The loope vent
The drainage pipe it serves
Increasing vent one pipe size will
Provide increased drainage
Allow a uniform installations
Allow vents of longer lengths
Allows vents to be shorter
Changes in direction of vent piping shall be made by
Heating the pipe and bending
Welded joints where possible
Threaded fittings or caulked joints
Appropriate use of fittings
The fitting that is required for making the yoke vent intersection with the drainage stack is a
Sanitary tee
Tapped tee
Dobule tee branch
Wye branch
The connection between a vent pipe and a vent stack vent shall be at least___inches above flood level rim of the hightes fixture served by the vent
4
8
7
6
All malleable iron vent or water fittings shall be
Concealed
Exposed
Galvanized
Painted
Each plumbing fixture, excepting those having integral traps, shall be separately trapped by an approved type
Partition trap
Full "S" trap
Crown vented trap
Water seal trap
One trap may serve a set of not more than
Two laundry tubs and one kitchen sinks
One laundry tubs and two kitchens sinks
Three laundry tubs or three lavatory sinks
One clothes washer and one kitchen sink
The vertical distance between fixtures outlet and the trap weir hall not exceed
12 in.
18 in.
24 in.
30 in.
The trap shall be the same size or larger than
The fixture tail piece
The trap arm
The fixture strainer
Its vent pipe
Each fixture trap shall have a water seal of not less than
2 in.
4 in.
6 in.
12 in.
Which of the following characterisitics is not a requirement of a properly installed trap
It is able to pass water freely
It has mechanical or moving parts
Its self cleaning
It has a seal not less than 2 in. And not more than 4 in.
Listed metal appliance connectors for dryers may be
Concealed
Brass only
6 ft. Overall length
48 in. Overall length
When supplying fuel gas to more than one building on any premises, the system shall be equipped with
One glove valve at meter
One shutoff valve outside each building
One pressure relief valve at each building
One fuel gas shutoffinside each building
Bushings in gas piping shall not be used in
Interior locations
Exposed piping
Open carports
Concealed locations
Appliance connectors shall at no time have a diameter less than
1/2 in.
3/8 in.
The appliance inlet connection
0.7854 times diameter squared
One of the follwing is not required in comuting size of a gas piping system
Max. length
Max. demand
Type of appliance
Pipe material
Horizontal metallic gas piping installed underground in exterior locations shall have at least
6 in. Of earth cover
12 in. Of earch cover
One wrap of 20 mil tape
One wrap of 40 mil tape
The maximum distance between the shutoff valve and the appliance
18 in.
24 in.
36 in.
48 in.
A number 18 copper tracer wire or other approved material shall be installed with the attached to underground
Metallic gas piping
Non metallic gas piping
Ferrous gas piping
Wrapped gas piping
No part of a gas appliance connector shall be concealed within or extended through any
Wall or floor
Partition
Appliance housing
All of the above
Who is your favorite child?
Brian
Linda
Jerson
All the above
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