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Philippines Master Plumber Code and Regulations Flashcards

7 cards from real Master Plumber Exam practice questions. Tap to flip, then mark Knew It or Still Learning — missed cards come back until you master them.

Read the first 7 Philippines Master Plumber Code and Regulations flashcards as text
  1. Under the National Plumbing Code of the Philippines (NPCP), what is the minimum trap seal depth required for fixture traps?

    Answer: 38 mm (1.5 inches)

    The NPCP requires a minimum trap seal depth of 38 mm (1½ inches) to prevent sewer gases from entering the building.

  2. According to the Philippine Sanitation Code (PD 856), what is the minimum distance between a deep well and a septic tank?

    Answer: 25 meters

    PD 856 requires a minimum horizontal distance of 25 meters between a deep well and a septic tank to prevent contamination of the water supply.

  3. In the NPCP, what is the fixture unit (FU) value assigned to a lavatory (washbasin) for drainage load calculation?

    Answer: 1 FU

    A lavatory is assigned 1 fixture unit for drainage load calculations under the NPCP.

  4. What does 'PN6' designation mean for PVC pressure pipes used in water supply systems in the Philippines?

    Answer: Pressure Nominal rating of 6 bar (600 kPa)

    PN6 stands for Pressure Nominal 6 bar, meaning the pipe is rated for a maximum working pressure of 600 kPa (approximately 87 psi).

  5. Under the NPCP, what is the maximum trap arm length (distance from trap weir to vent) for a 38 mm (1½-inch) drain pipe?

    Answer: 1.5 m (5 ft)

    For a 38 mm diameter drain pipe, the maximum trap arm length is 1.5 m (approximately 5 feet) per the NPCP.

  6. According to the NPCP, what minimum size vent pipe is required for a water closet?

    Answer: 50 mm (2 inches)

    A water closet requires a minimum 50 mm (2-inch) individual vent pipe under the NPCP.

  7. What is the minimum number of water closets required per 100 male employees in a factory or industrial establishment under the Philippine Sanitation Code?

    Answer: 2

    The Philippine Sanitation Code requires a minimum of 2 water closets per 100 male employees in factories and industrial establishments.