Central heating trail 5
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Other
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Professional Development
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Practice Problem
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Medium
Plumbers Cymoedd
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10 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Why is it important to remove the circulator when cold flushing a system?
To prevent damage to the circulator
To increase the water pressure in the system
To add more inhibitor to the system
To check the temperature of the system
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What should be placed between the pump flanges when the circulator is removed?
A short section of LCS pipe
A new circulator
A temperature gauge
An inhibitor
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the purpose of bleeding a radiator?
To release trapped air or hydrogen from the top of a radiator
To clean the radiator with a special solution
To check the flow of water through the radiator
To add more coolant to the radiator
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Where does a cool/cold area form in a radiator if trapped air creates it?
At the bottom of the radiator
In the middle of the radiator
At the top of the radiator
Outside the radiator
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Where does a cool/cold area form in a radiator if magnetite is formed in the system?
At the top of the radiator
In the middle of the radiator
At the bottom of the radiator
Outside the radiator
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the first step in bleeding a radiator?
Locate the bleed valve on the radiator.
Turn off the central heating system.
Protect the area with a dust sheet.
Listen for air being released.
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What should you do after locating the bleed valve on the radiator when bleeding it?
Turn off the central heating system.
Tighten the bleed valve.
Protect the area with a dust sheet.
Turn bleed valve so the opening is visible.
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