Plumbing level 2 - PP 1.2 - Central Heating
Authored by Byron Morris
Professional Development
University
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10 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the main purpose of the Feed and Expansion (F&E) cistern?
To store cold water for household use
To allow heated water in the system to expand and operate at atmospheric pressure
To heat the water in the system
To filter impurities from the water
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Where should the 15mm cold feed be located in the F&E cistern?
At the same level as the cold water storage cistern
At the bottom of the cistern
On the side of the F&E without any valves
On the top of the cistern
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the minimum height the 22mm open vent must rise above the water level in the F&E?
1 meter
600mm
450mm
300mm
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the primary function of the open vent pipe?
To filter the water in the system
To provide a safety outlet should the system overheat
To heat the water in the system
To store excess water
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the purpose of an air separator in a central heating system?
To store excess water
To separate air from the water, reducing noise and corrosion
To filter impurities from the water
To heat the water
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the function of a two port motorised valve?
To allow hot water and heating circuits to be controlled separately
To heat the water in the system
To filter impurities from the water
To control the flow of water to both heating and hot water circuits
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Where is the cylinder thermostat typically situated?
At the bottom of the hot water cylinder
One-third of the way up a hot water cylinder
At the top of the hot water cylinder
On the side of the hot water cylinder
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