Hot water system components
Presentation
•
Professional Development
•
Vocational training
•
Practice Problem
•
Medium
Nigel Baker
Used 1+ times
FREE Resource
18 Slides • 20 Questions
1
2
Multiple Choice
Why is it important to use copper tubes or polybutylene pipes for installing hot water systems?
They are cost-effective and easy to install.
They do not cause contamination and can withstand high temperatures.
They are lightweight and flexible.
They are recommended by most plumbers.
3
Open Ended
What are some potential risks if hot water pipework is not installed according to British Standard 8558?
4
5
6
Multiple Choice
Which of the following precautions should be taken when installing hot and cold water pipework side by side?
Ensure cold water installation is not affected by hot water pipework
Install pipework without any insulation
Pressure test cylinders without disconnecting them
Ignore proximity of hot and cold pipes
7
8
Open Ended
Explain the importance of visually checking for open ends, soldered joints, compression joints, and clips before soundness testing in plumbing systems.
9
10
Multiple Choice
Arrange the steps in the correct order for the testing and decommissioning process: Visual inspection, Set up equipment, Test period, Final check, Complete documentation.
Visual inspection, Set up equipment, Test period, Final check, Complete documentation
Set up equipment, Visual inspection, Test period, Final check, Complete documentation
Test period, Visual inspection, Set up equipment, Final check, Complete documentation
Final check, Visual inspection, Set up equipment, Test period, Complete documentation
11
12
Multiple Select
Which of the following are key steps in hydrostatic pressure testing of metal piping systems?
Arrange for the system to be vented
Apply test pressure for 10 minutes
Reduce pressure by bleeding water
Check for leaks visually
13
14
Fill in the Blanks
During hydrostatic pressure testing of plastic piping systems, the pressure is reduced by bleeding water from the system to
Type answer...
15
16
Open Ended
Why is it important to thoroughly flush hot water systems with clean water before being taken into service?
17
18
Multiple Choice
Which step is essential to ensure all debris is removed from a newly installed pipework system before it can carry wholesome water?
Refill the system with water and drain from the lowest point
Add disinfectant for 1 hour
Open kitchen tap and run water
Check flow rates and pressures
19
20
Open Ended
Explain the importance of checking thermostats and high-limit thermostats during the commissioning of a hot water system.
21
22
Fill in the Blanks
To measure the flow rate in a plumbing system, use a
Type answer...
23
24
Multiple Select
Which of the following checks are performed to ensure satisfactory operation of a plumbing system?
Flow rate using weir cup
Pressure using pressure gauge
Flush dirt and debris as per British Standards
Open and close all valves
25
26
Multiple Select
What documents should be handed over to the customer after proving the plumbing system?
Manufacturer’s instructions
Benchmark certificate
Warranty
Installation invoice
27
28
Open Ended
List the steps involved in decommissioning a hot water system for maintenance and replacement of components.
29
30
Multiple Choice
Which of the following is NOT a step in the temporary decommissioning process for plumbing systems?
Informing the customer
Safely isolating and labeling the system
Connecting a hose pipe to a drain
Ignoring the need to test the system
31
32
Open Ended
Explain why certain items such as hot water cylinders and boilers may need to be temporarily decommissioned in a plumbing system.
33
34
Multiple Select
Select all probable causes for 'No hot water flow' in a plumbing system.
Mains cold water off
Float operated valve stuck in off position
System air locked
Cold water feed/storage cistern too low
35
36
Fill in the Blanks
Poor pressure in a plumbing system can be caused by cold water feed/storage cistern being too
Type answer...
37
Open Ended
Reflecting on today's lesson about installing hot water systems and components, what is one important safety consideration you learned regarding hot water pipework?
38
Multiple Choice
What are the recommended materials for hot water pipework according to the British Standard 8558?
Copper tubes to BS EN 1057 and polybutylene pipes and fittings
PVC pipes and fittings
Steel pipes and fittings
Lead pipes and fittings
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