Question 1
According to BS 5440-1, what is the minimum acceptable clear internal diameter for a flue serving a natural draught open-flued appliance?
Correct Answer:
100 mm
Question 2
What is the primary purpose of a flue liner in an existing chimney?
Correct Answer:
To provide a continuous, gas-tight, and corrosion-resistant passage for combustion products.
Question 3
When inspecting an existing flue prior to appliance installation, what is a crucial test to perform to ensure its integrity?
Correct Answer:
A smoke test or pressure test.
Question 4
What is the minimum recommended height of a flue terminal above the roof line for a pitched roof, to ensure adequate dispersion of combustion products?
Correct Answer:
600 mm
Question 5
Why is it important to ensure adequate air supply to an open-flued appliance?
Correct Answer:
To ensure complete combustion and safe removal of combustion products.
Question 1
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About this Exam

Prepare with the ACS Domestic Gas Fires & Space Heaters Exam Practice Questions - ACS Domestic Gas Fires & Space Heaters Exam practice quiz. This question bank includes 100 questions covering fire, flue, appliance, commissioning, and device. Use it to review important concepts, identify knowledge gaps, and build confidence for the related exam, course, or assessment.

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ACS Domestic Gas Fires & Space Heaters Exam Practice Questions - ACS Domestic Gas Fires & Space Heaters Exam

This practice set contains 100 questions from the matching question bank and focuses on fire, flue, appliance, commissioning, and device. 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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