PD 1398 Flashcards
“Size of water piping shall be based on the total _________
Water consumption
Water demand
Water potability
None of the above
Water demand
Water closetbowls for________useshall beelongated bowl types equipped with open-front seats.
Public
Private
Government
None of the above
Public
Wastewater drain for _________cupsink at church altar & baptisteries font outletshall discharge direct to the ground& not connected to any sanitary or drainage system.
Holy sink
Lavatory
Baptismal shrine
Sacrarium
Sacrarium
Tunnelsshall have: the following except
A clear height of 0.6m above the pipe & shall be limited in length to 1/2 the depth of the trench.
Driven pipes shall have at least one pipe size larger than the pipe to be laid
Shall be back-filled in thin layers of 0.3m above the top of the pipe with clean earth which shall not contain stones, boulders, cinders or other materials which can damage or break the pipes or cause corrosive action.
None of the above
Shall be back-filled in thin layers of 0.3m above the top of the pipe with clean earth which shall not contain stones, boulders, cinders or other materials which can damage or break the pipes or cause corrosive action
the minimum cross sectional area at the seat of the control valve or the supply pipe or tubing which feeds the device outlet. If two or more lines supply one outlet, the effective opening shall be the sum of the cross-sectional areas of the individual supply lines or the area or the single outlet, whichever is smaller.
A. Effective opening
B. Effective depth
C. Effective area
D. Effective invert
A. Effective opening
Suspended cast iron soil pipe shall be supported atnot more than ____m intervals,except that pipe exceeding 1.5m length may be supported atnot more than _____m intervals.Supports shall be adequate to maintain alignment & to prevent sagging & shall be placedwithin 0.45m of the hub or joint.
A. 1.5/ 3
B. 1.5/ 4
C. 3/ 1.5
D 4/ 1.5
A. 1.5/ 3
No water closet or bidet shall be setcloser than ______mfrom its center to any side of the wall or obstruction orcloser than ______m center to centerto any similar fixture.
A. .375 / 0.75
B. .375 / 0. 70
C. .40 / 0.70
D. .50 / 0.60
A. .375 / 0.75
Lead Pipe - shall be supported atby____________for entire lengthwith hangers properly spaced.
A. Stiff aluminum or wooden backing
B. Stiff metal or wooden backing
C. Stiff plastic or metal sheet
B. Stiff metal or wooden backing
Fixtures havingconcealed slip jointconnections shall be provided with an access panel or utilityat least ______m in its least dimensionfor inspection & repair.
A. 0.30
B. 0.20
C. 0.10
D. 0.40
A. 0.30
Excessive water pressure– water pressuregreater than ____ Kpa
A. 551
B. 552
C. 553
D. 554
A. 551
drains shall have a waterway equivalent area of the“tailpiece” –meaning, the sum of all the areas of the perforation of the strainer is equivalent to the outlet area.
A. Strainers serving bathub
B. Strainers serving shower
C. Strainers serving lavatory
D. None of the above
B. Strainers serving shower
Copper Tubing - shall be supported atapproximately ________m intervalsfor piping 38mm diameter & smaller & _______m intervalsfor piping 51mm & larger in dia.
A. 1.8/ 3.0
B. 1.9/ 3.5
C. 1.5 / 2.5
D. None of the above
A. 1.8/ 3.0
Continuous waste fixture tailpiece connectionswere exposed or accessible may be of seamless drawn brassnot less than Ga. 20 B&S or ______mm thk.
A. 0.90
B. 0.80
C. 0.70
D. 0.60
B. 0.80
Allporcelain enamel surfaceson plumbing fixtures shall be __________
A. Mold resistant
B. Acid resistant
C. Corrosion resistant
D. None of the above
B. Acid resistant
All pipe determinations shall be based on eighty percent(___) the reduced pressure.
A. 70%
B. 60%
C. 80%
D. 90%
C. 80%
