Mock Test 14
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Question 1 of 40
1. Question
1. The boiler position can be higher than the hot water cylinder in a :
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Question 2 of 40
2. Question
2. Which of the following components could be fitted with a remote sensor?
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Question 3 of 40
3. Question
3. Which of the following assists in the removal of flux from central heating pipework?
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Question 4 of 40
4. Question
4. The customer complains that the downstairs radiators are cold and the upstairs radiators are only lukewarm. This is likely to be caused by a faulty :
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Question 5 of 40
5. Question
5. A zone valve in an S plan central heating system is designed to :
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Question 6 of 40
6. Question
6. When installing a central heating system using polybutylene pipe, the most common jointing method used is :
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Question 7 of 40
7. Question
7. One advantage of installing a fully pumped central heating system is :
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Question 8 of 40
8. Question
8. A 3 port valve, programmer, room thermostat, cylinder thermostat, and TRVS would normally be used on :
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Question 9 of 40
9. Question
9. Out of the following locations, where would the air vents be located on a central heating system?
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Question 10 of 40
10. Question
10. Which of the following statements relates to a Two-pipe system (semi-gravity) ?
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Question 11 of 40
11. Question
11. In a two pipe central heating system :
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Question 12 of 40
12. Question
12. On a fully pumped system, where is an automatic air release valve usually installed ?
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Question 13 of 40
13. Question
13. A boiler that works on the principle of extracting heat from otherwise wasted flue gasses is known as :
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Question 14 of 40
14. Question
14. Hot water circulates to each radiator by gravity in which of the following systems?
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Question 15 of 40
15. Question
15. On an open vented system, the primary vent must be installed at least 450mm above the feed and expansion cistern in order to :
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Question 16 of 40
16. Question
16. Which of the following statements relates to a one pipe heating system ?
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Question 17 of 40
17. Question
17. On an open vented fully pumped system, positioning the cold feed and vent to the rear of the pump :
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Question 18 of 40
18. Question
18. What does a Y plan system have ?
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Question 19 of 40
19. Question
19. How many types of 3 port valves are there ?
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Question 20 of 40
20. Question
20. A fully pumped system using a 2-position 3 port diverter valve is only permitted when :
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Question 21 of 40
21. Question
21. Where would a S plan System be installed ?
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Question 22 of 40
22. Question
22. Where is the F&E cistern located ?
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Question 23 of 40
23. Question
23. What temperatures must the float valve be designed to withstand ?
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Question 24 of 40
24. Question
24. What would the impeller in a central heating circulator be made of ?
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Question 25 of 40
25. Question
25. How many settings do central heating circulators have ?
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Question 26 of 40
26. Question
26. What heat transfer do radiators mainly use ?
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Question 27 of 40
27. Question
27. On a mid position valve the AB port would refer to ?
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Question 28 of 40
28. Question
28. Which of the following would prolong the life of the central heating pump?
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Question 29 of 40
29. Question
29. What does LST stand for ?
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Question 30 of 40
30. Question
30. Where would the cylinder thermostat be on the cylinder ?
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Question 31 of 40
31. Question
31. At what height would room thermostats normally be located ?
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Question 32 of 40
32. Question
32. Which of the following would prolong the life of the central heating system ?
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Question 33 of 40
33. Question
33. What category is central heating water classed as?
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Question 34 of 40
34. Question
34. Where would the plumber install a automatic air vent if the system needed one ?
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Question 35 of 40
35. Question
35. What is the minimum size of vent pipe from the primary flow on a pumped central heating system using gravity primaries ?
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Question 36 of 40
36. Question
36. Which one of the following does the approved document L1 make prohibitive ?
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Question 37 of 40
37. Question
37. Which system must be used when the floor area is grater than 150m² ?
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Question 38 of 40
38. Question
38. When using a Fully pumped system using three-port mid-position valve, what controls must be used to meet Building Regulations Part L ?
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Question 39 of 40
39. Question
39. The steps to take prior to decommissioning a central heating sytem to permit the addition of an extra radiator are to turn off the electrical controls. What should you do to do this ?
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Question 40 of 40
40. Question
40. When draining down a heating system :
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