Module 13 Chimneys Flashcards
What does Regulation 27 state?
Can’t install anything unless the flue is suitable and in proper condition
The maximum angle of bends in a natural draft flue are:
a) 22.5o
b) 45o
c) 67.5o
d) 90o
b) 45o
The maximum angle of bends in a mechanical draft flue are:
a) 22.5o
b) 45o
c) 67.5o
d) 90o
d) 90o
What does regulation 26 state?
You must examine effectiveness of the flue
When you do a flue flow test the:
a) windows must be closed
b) windows must be open
c) windows and doors must be closed
d) windows and doors must be open
c) windows and doors must be closed.
Is the spillage test covered by regulation 26 or not?
Yes – you must do a flue flow test and a spillage test
When doing a spillage test the flue must be:
a) cold
b) warmed for 5 minutes with a blow lamp
c) appliance running at full gas rate warming the flue 5 minutes
c) appliance running at full gas rate warming the flue for 5 minutes
When doing a spillage test if there is a extractor in the room should it be turned on or not?
Turned on – spillage tests should be done under the ‘worst conditions’, windows and doors shut, extractor fan on
If you do a spillage test which passes with the extractor fan off and fails with the extractor fan on you can open a window in stages until it passes the spillage test. How much additional ventilation should you install?
The size of the opening plus 50%
If you discover a builder’s opening poorly sealed is it:
a) NCS
b) AR
c) ID
b) AR
If you discover a gas fire fitted to a letterbox opening or with inadequate catchment space is it:
a) NCS
b) AR
c) ID
b) AR
If you discover an unsuitable chimney pot/termination is it:
a) NCS
b) AR
c) ID
a) NCS
If you discover a flue leaking into a room is it:
a) NCS
b) AR
c) ID
c) ID
If you discover the ridge tile adaptor fallen away form ridge terminal is it:
a) NCS
b) AR
c) ID
c) ID
If you discover incorrect use of flexible liner but appliance operating correctly is it:
a) NCS
b) AR
c) ID
a) NCS
