
Hot water back flow prevention
Presentation
•
Professional Development
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Vocational training
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Practice Problem
•
Medium
Nigel Baker
Used 1+ times
FREE Resource
10 Slides • 10 Questions
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2
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Open Ended
Describe how an air gap helps in preventing contamination of wholesome water within a property.
5
Multiple Choice
Why is backflow prevention important in plumbing systems?
It prevents contamination of drinking water
It increases water pressure
It reduces water consumption
It improves pipe durability
6
Multiple Choice
What is the main purpose of an AUK 2 air gap in plumbing installations?
To increase water pressure
To separate the spillover level and tap outlet point
To prevent leaks in pipes
To regulate water temperature
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9
Multiple Choice
Which of the following devices is used for mechanical backflow prevention when an air gap is not possible?
Double-check valve
Single-check valve
Spring-loaded one-way valve
Restraining ring
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11
Fill in the Blanks
A single-check valve allows water to flow in
Type answer...
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13
Multiple Select
Which situations require the use of double-check valves for backflow protection?
Instantaneous shower
Filling loop on a combination boiler
Garden bib taps
Bath globe taps
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Open Ended
Why is it important to maintain the air gap between the shower head and water level when installing showers over baths?
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Fill in the Blanks
Flexible shower hoses must be prevented from being submerged in bath water by the use of a shower rail with a rubber
Type answer...
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Open Ended
How would you summarize the importance of backflow prevention devices in maintaining water safety in a property?
20
Multiple Choice
What are two main steps required to prevent the contamination of wholesome water within a property according to the Water Regulations?
Stop backflow and stop back siphonage
Increase water pressure and add chlorine
Install larger pipes and use filters
Reduce water temperature and add chemicals
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