The date when Sanitation Code is issued.

• August 22, 1991

• May 25, 1973

• June 27, 1956

• August 22, 1955

Provincial Water Utilities Act.

• RA 1378

• PD 198

• PD 1152

• PD 1067

Is a receptacle used to catch surface drained from cemented courts, driveways, and yards.

• Yard Catch Basin

• Yard Drain

• Garage Catch Basin

• Exterior Basin

The date when the Philippine Environment Code is signed.

• August 20, 1971

• May 25, 1973

• June 6, 1977

• June 22, 1975

What is the maximum number of fixture units that maybe connected to a 75 mm diameter house drain pipe under 4% slope?

• 18

• 21

• 25

• 34

A piping arrangement in which a drain from a fixture, appliance, or device discharge indirectly into a fixture, receptacle, or interceptor at a point below he flood level rim of the receptacle so installed as to prevent backflow or siphonage.

• Air break

• Pressure

• Air stop

• Air gap

Consists of a running trap installed under the basement floor to protect it from freezing.

• Floor drain

• Oversize house drain

• Area drain

• Floor basin

What is the slope of a 100 mm diameter house drainpipe with 100 fixture units?

• 2%

• 3%

• 4%

• 5%

The following back of used, contaminated or polluted water from plumbing or vessel into a water supply pipe due to negative pressure in such pipe.

• Backflow connection

• Back-siphonage

• Back pressure backflow

• Back-vent pipe

The house drain should be sized correctly to have a flow of about ____ of the pipe diameter.

• 45%

• 50%

• 55%

• 60%