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1. When installing a new indirect cold water system, which of the following should happen, according to the Water Regulations?
2. Pin holing in copper pipework is commonly caused by:
3. One of the major problems when leaving a dead leg in a cold water pipe is:
4. On the completion of a new cold water installation, the system has been proven sound. What would the next course of action be?
5. When decommissioning a system, the correct procedure is to:
6. Which of the following materials is not allowed to be installed on new cold water systems?
7. What type of valve is designed to shut off the supply of water in a cistern at a predetermined level?
8. The correct back flow protection device that would be installed prior to a shower mixer valve would be:
9. What is likely to occur if a tap spout is below the spillover level of the basin?
10. Which British Standard offers guidance on the capacity of cold water storage cisterns?
11. What category of water presents a severe health risk?
12. What mechanical backflow protection would be used to protect against Category 3 water?
13. According to the Water Supply (Water Fittings) Regulations what must be installed prior to every float operated valve?
14. What type of system can a full way gate valve be installed in?
15. What is the correct depth that the incoming cold water mains must be laid between?
16. The working pressure on a system is 2 bar. The pipework has all been installed in copper. What pressure does the system need to be pressurised to for a soundness test?
17. When commissioning a new cold water system in a customer’s property, the system will need to have the pressure tested, the flow rate recorded and water levels set. Which of the following should also take place as part of the commissioning process?
18. Which statement relates to fluid category 5 under the Water Supply Regulations ?
19. When installing a new indirect cold water system, which of the following should happen, according to the Water Regulations?
20. During the erection of a dwelling information on the required location for a cold water storage cistern can be found in the :
21. One of the major problems when leaving a dead leg in a cold water pipe is:
22. It has been identified that the water supply to a property cannot provide sufficient water flow for a new shower installation to work correctly. What is the correct course of action the apprentice plumber should take?
23. When decommissioning a system, the correct procedure is to:
24. What type of valve is designed to shut off the supply of water in a cistern at a predetermined level?
25. The correct back flow protection device that would be installed prior to a shower mixer valve would be:
26. At what point does the incoming water supply become the costumers responsibility ?
27. With reference to the siting of cold water storage cisterns, it is a requirement that :
28. When the incoming supply enters a dwelling through a duct in a solid floor and the distance is more than 750mm from the outside wall what must you also do ?
29. What would be the thickness of flexible foam or expanding plastic insulation on a 15mm pipe found inside?
30. Which statement relates to Water Distribution Network ?
31. What should the incoming service pipe be made of ?
32. What is done to the incoming service pipe to allow for expansion ?
33. What is the first valve after the mains connection on a cold water supply system to a domestic property?
34. What is the correction tool for cutting holes in a plastic cold water storage cistern?
35. With reference to cold water storage cisterns, a common warning and overflow pipe should be used with cisterns of less than :
36. Which one of the following should be positioned immediately above the cold water supply stop valve near the point of entry to a building?
37. Which one of the following methods of jointing copper tube should not be used for underground service pipe connections?
38. The correct back flow protection device that would be installed prior to a shower mixer valve would be:
39. When cold feed and cold distributing pipes are connected to the same cold water storage cistern, the :
40. Which one of the following pipes should be connected to a cold water storage cistern by means of a filtered connection?
