Chimneys and Flues Quiz

What is the size of brick-built chimneys prior to 1966?

What is the size of brick-built chimneys after 1966?

What class of flue is a pre-cast block construction?

• Class 1

• Class 2

• Class 3

• Class 4

What are the two styles that a rigid metallic can be purchased in?

Why must a spigot be used when connecting a flexible metallic flue liner to an appliance?

What is the main statutory document that outlines the construction of chimneys and flues?

List the three tests that must be carried out on a chimney or flue.

What is the test that is recommended by Gas Safe to be carried out on a boiler to ensure the correct and safe operation of the unit?

How does the answer to Question 8 determine the correct combustion of the boiler?