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
Under the NPCP, what is the minimum slope (grade) required for a 100 mm (4-inch) horizontal drainage pipe?
Answer: 1:100 (1%)
The NPCP requires a minimum slope of 1:100 (1% or approximately ¼ inch per foot) for 100 mm horizontal drainage pipes.
In water supply design for buildings, what is the typical minimum residual pressure at the highest fixture outlet required by the NPCP?
Answer: 70 kPa (10 psi)
The NPCP requires a minimum residual pressure of 70 kPa (approximately 10 psi) at the highest fixture outlet during peak demand.
According to Philippine plumbing standards, what is the correct color coding for a PVC pipe designated for potable water supply?
Answer: Blue
PVC pipes for potable water supply are color-coded blue under Philippine National Standards to differentiate them from drainage and other piping systems.
What is the required minimum air gap between a water supply outlet and the flood level rim of a fixture, as specified in the NPCP?
Answer: Twice the supply pipe diameter
The NPCP requires an air gap of at least twice the internal diameter of the supply pipe, but not less than 25 mm (1 inch).
Under the National Building Code of the Philippines (PD 1096) and NPCP, what is the minimum size of the building sewer for a residential structure?
Answer: 100 mm (4 inches)
The minimum building sewer size for residential structures is 100 mm (4 inches) per the NPCP and related Philippine building standards.
In the NPCP, what is the maximum developed length of a vent pipe from its connection to the drainage system to its termination outdoors for a 50 mm (2-inch) vent?
Answer: 30 m (100 ft)
For a 50 mm (2-inch) vent pipe, the maximum developed length is 30 m (approximately 100 feet) per the NPCP vent sizing tables.
According to the NSCP (National Structural Code of the Philippines) and related plumbing standards, what is the minimum water supply fixture unit (WSFU) demand value for a bathtub with a shower combination?
Answer: 4 WSFU
A bathtub with shower combination is rated at 4 water supply fixture units (WSFU) for supply pipe sizing under Philippine plumbing standards.