Question 1
Under the New Zealand Building Code, which clause sets the performance requirements for the safe supply, storage, reticulation and delivery of hot and cold water?
Correct Answer:
Clause G12 Water Supplies
Question 2
Which New Zealand Building Code clause sets the performance requirements for the safe disposal of foul water to prevent illness and loss of amenity from odour?
Correct Answer:
Clause G13 Foul Water
Question 3
Under the updated G12/AS1 (from 1 November 2024), what is the maximum temperature at which hot water may be delivered to a sanitary fixture used for personal hygiene in a standard residential dwelling?
Correct Answer:
50 degrees Celsius
Question 4
G12 requires that water in a hot-water storage system be heated to at least what temperature to control the growth of Legionella bacteria?
Correct Answer:
60 degrees Celsius
Question 5
A new mains-pressure hot-water cylinder is installed in a dwelling. What device is required to limit the temperature of water delivered to a bathroom basin and shower to the maximum safe level?
Correct Answer:
A tempering valve or thermostatic mixing valve
Question 1
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About this Exam

Prepare with the PGDB Certifying Plumber Practice Questions - NZ PGDB Certifying Plumber Examination Exam practice quiz. This question bank includes 100 questions covering water, sanitary, plumbing, hot-water, and zealand. Use it to review important concepts, identify knowledge gaps, and build confidence for the related exam, course, or assessment.

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PGDB Certifying Plumber Practice Questions - NZ PGDB Certifying Plumber Examination Exam

This practice set contains 100 questions from the matching question bank and focuses on water, sanitary, plumbing, hot-water, and zealand. Work through each question carefully, review the provided solutions, and revisit topics that need more study before your next attempt.

This is an independent study resource intended for practice and review; it is not an official examination or an endorsement by any organization named in the title.

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