Exam (elaborations)
Plumbing level 1.
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Exam of 13 pages for the course Nccer Plumbing at Nccer Plumbing (Plumbing level 1.)
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Plumbing level 1The pipe from the water main, water meter, water supply system or other approved
source of water supply,to the building or structure - ANS-Water service pipe
Any pipe or fitting which makes angle of more than 45° with the vertical -
ANS-Horizontal pipe
The length of a pipe along the centerline of the pipe and fittings - ANS-Developed length
For applicability requirements of the plumbing code, refer to: - ANS-The plumbing code
102.1
The provisions of the plumbing shall apply to: - ANS-Installations, alterations and
repairs, replacements - 101.2
The provisions of the plumbing code shall NOT apply to... - ANS-Gas fired water heater,
water heater venting systems, fuel gas piping
What is the minimum size of a building sewer? - ANS-4 inches T710.1 (1) b
Minimum fall shall not be less than _____ per foot for a 2 inch pipe or _________ per
foot for a 4 inch pipe. - ANS-1/4":1/8". T704.1
A pipe or a fitting which makes an angle of not more than 45° with the vertical is
considered - ANS-Vertical pipe. 202- definitions
Cleanouts in 4 inch building sewer shall not be located more than ____ft. apart -
ANS-100 ft. 708.3 .2
Size of cleanouts for a 4 inch pipe or larger may be served by a _______inch clean out -
ANS-4". 708.7
Size of cleanouts for less than a 4 inch pipe ---- 4 inch, 2 inch, size of pipe or 3 inch? -
ANS-Size of pipe 708.7
Waste and soil pipe leaving a building shall have an earth cover ______ inches - ANS-3
inches. 305.6.1
, A manhole cover in a flood hazard zone (a zone) shall be sealed unless - ANS-The
manhole is elevated above base flood elevation 309.2#6
Temporary toilet facilities need not be on site for crews on a job site for no more then
which of the following? - ANS-One day 311.1
Strainer plates on drain inlet shall be designed with openings not greater than ____ -
ANS-.5 " 304.2
What is the size of a sleeve passing through a wall to protect piping? - ANS-Two pipe
diameters greater than the pipe 305.5
All plastic pipe, fittings and component shall be third-party certified as conforming to
which of the following? - ANS-NSF 14. 303.3
All openings around pipes, tubing, wiring, conduit, Etc. Shall be fire stopped according
to which of the following? - ANS-The building code 307.3
The top of water pipes, installed below grade outside the building, shall be: -
ANS-Below the frost line or minimum of 12 inches below finished grade which ever is
greater 305.6
Water piping installed in an unconditioned area shall be insulated with a minimum R
factor of: - ANS-6.50 305.6
Trenches installed parallel to footings shall not extend below the bearing the plane of
the footing: - ANS-45° 307.5
Exterior wall openings shall be made which of the following? - ANS-Watertight. 305.7
Notches at the end of joists shall not exceed: - ANS-1/4 of the depth. 307.2, F101.1
The edge of a bored hole in a stud shall be no closer to the edge than: - ANS-5/8"
307.2, F101.3
Protective shield plates shall extend at least which of the following above the sole plate
- ANS-2" 305.8
When backfilling above a pipe is complete, which of the following is the proper depth
above the crown of the pipe? - ANS-12" 306.3
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