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WorksheetsCHAPTER 4: PLUMBING FIXTURES
Total questions: 10
Worksheet time: 5mins
1. What is the minimum required area for a shower receptor?
A) 0.5 square meters
B) 0.6 square meters
C) 0.7 square meters
D) 0.8 square meters
What is the minimum diameter of the encompassing circle that must fit within a shower receptor?
A) 600 mm
B) 700 mm
C) 762 mm
D) 800 mm
Which of the following is NOT allowed to protrude within the shower height requirement?
A) Showerhead
B) Fixture valves
C) Safety rails
D) Cabinet shelves
What type of water closet should be used for public restrooms?
A) Round bowl with closed seats
B) Square bowl with a cushioned seat
C) Elongated type toilet with open front seats
D) Compact bowl with no seat cover
Restaurant kitchen sinks may be made of which of the following materials?
A) Bonderized steel
B) Galvanized sheet steel (16 gauge or 1.6mm thick)
C) Stainless steel only
D) Both A and B
How should the waste from a sacrarium cupsink be disposed of?
A) Into the main sanitary drainage system
B) Directly into the ground
C) Through a septic tank
D) Into a grease trap
The overflow pipe in a plumbing system must be connected to which part of the fixture?
A) Outlet side of the trap
B) Inlet side of the trap
C) Directly to the drain
D) Above the fixture rim
Which plumbing component must have a waterway equivalent to the area of its tailpiece?
A) Overflow pipe
B) Shower drain strainer
C) Continuous waste pipe
D) Water supply line
The minimum outer diameter (O.D.) of a tailpiece for sinks, dishwashers, and similar fixtures is:
A) 25 mm
B) 32 mm
C) 38 mm
D) 50 mm
How should wall-hung plumbing fixtures be supported?
A) By resting on the floor
B) With wooden brackets
C) With metal supporting members or fixture carriers
D) By screwing them directly into the wall
