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Q 1/32
Score 0
Give the BS number for the current document that gives guidance on ventilation.
30
BS7679
BS7671
BS5440
GSIUR
Q 2/32
Score 0
What is the minimum size aperture allowed for a ventilation grill
30
5 - 10mm
10 - 15mm
1- 25mm
3 - 12mm
32 questions
Q.
Give the BS number for the current document that gives guidance on ventilation.
1
30 sec
Q.
What is the minimum size aperture allowed for a ventilation grill
2
30 sec
Q.
Where an appliance is fitted into a room, a fixed allowance for adventitious openings of 35cm2 can safely be made for
3
30 sec
Q.
If an existing air vent meets the standards and has 24 holes 5mm by 8mm its effective free area will be
4
30 sec
Q.
List the four main parts of a conventional flue
5
30 sec
Q.
What must be provided where a flue pipe passes through a ceiling or floor
6
30 sec
Q.
Where 3 or more air vents are fitted in series the intermediate vents shall be increased by .....% of the calculated air requirement
7
30 sec
Q.
Compartment ventilation is only required for open flued appliance
8
30 sec
Q.
Ventilation air for combustion can be taken from a bathroom
9
30 sec
Q.
All ventilators should be sleeved when fitted through a cavity wall
10
30 sec
Q.
Ventilation grills with built in fly screen can be used with gas appliances provided they are cleaned annually
11
30 sec
Q.
Two DFE’s fitted in a through room would normally require 200cm2 of ventilation
12
30 sec
Q.
All calculations for ventilation are based on net kW. How is a rating converted that is given in gross kW
13
30 sec
Q.
Incomplete combustion from the burner of which type of appliance will cause an immediate danger
14
30 sec
Q.
A build up of dust around the injector of a gas burner is likely to cause
15
30 sec
Q.
A flued gas appliance cannot be fitted on
16
30 sec
Q.
Which of the following statements is correct
17
30 sec
Q.
what type of appliance can be fitted in a bathroom
18
30 sec
Q.
What is the minimum cross sectional area for a new chimney constructed of flue blocks be
19
30 sec
Q.
The cm2 allowance of free area per kW for an open flue chimney appliance shall be
20
30 sec
Q.
24, What minimum vertical height above the appliance connection is required, before any change in direction.
21
30 sec
Q.
What angle should a flue bend not exceed
22
30 sec
Q.
A 9 kW balanced flue boiler terminal of the natural draught type is to be installed below an opening window. What is the minimum distance required between the terminal and window?
23
30 sec
Q.
A room-sealed appliance requires a guard to be fitted when the terminal is
24
30 sec
Q.
What type of flue systems may be used in high rise flats?
25
30 sec
Q.
Which is safer?
26
30 sec
Q.
How should a flued gas appliance be connected to its gas supply
27
30 sec
Q.
What is the maximum distance an inspection hatch can be from a joint when the R/S flue system is concealed
28
30 sec
Q.
The minimum cross-sectional area of a flue for a decorative fuel effect (DFE) gas fire is:
29
30 sec
Q.
A flueless appliance such as a cooker would be classed by BS 5440 1 as
30
30 sec
Q.
The four main parts of an open flue in the correct order are
31
30 sec
Q.
How far from combustible materials should a flue be kept?
