Master Plumber Exam Philippines Master Plumber Code and Regulations 3

Question 1

Under the NPCP, which type of vent configuration allows a single vent pipe to serve as both a soil stack and a vent stack simultaneously?

Accepted Answer

Stack vent

Answer

A stack vent is the extension of a soil or waste stack above the highest horizontal drain connection, serving as both the terminal of the drainage stack and as a vent.

Question 2

What is the PRC (Professional Regulation Commission) license required before a person can legally supervise plumbing installation works in the Philippines?

Accepted Answer

Registered Master Plumber (RMP)

Answer

A Registered Master Plumber (RMP) license issued by the PRC is required to legally supervise and sign plumbing plans and installations in the Philippines.

Question 3

In the Philippine Plumbing Code, what is the term for the pipe connecting a fixture trap to the vent system?

Accepted Answer

Trap arm

Answer

The 'trap arm' is the horizontal drain pipe connecting the trap outlet to the vent pipe or vented drain, with a maximum allowable length based on pipe diameter.

Question 4

According to the Philippine Sanitation Code, what is the minimum required volume of a septic tank for a residence with 5 persons?

Accepted Answer

1,000 liters

Answer

PD 856 requires a minimum septic tank volume of 1,000 liters (1 cubic meter) for a household of up to 5 persons.

Question 5

What is the standard method used under NPCP to calculate the water demand for a residential building with multiple fixtures?

Accepted Answer

Hunter's probability method (Hunter's Curve)

Answer

Hunter's probability method, using Water Supply Fixture Units (WSFU) and Hunter's Curve, is the standard method in the NPCP for estimating peak water demand in buildings.

Master Plumber Exam Practice Test

Master Plumber Exam Practice Test

Master Plumber Exam Philippines Master Plumber Code and Regulations 3