WorksheetsPPT 8,9,10 DRAINAGE QUIZ
Total questions: 32
Worksheet time: 16mins
What stack system is shown in the image?
Primary ventilated branch,
Secondary discharge system
Secondary branch system
Discharge branch
What stack system is shown in the image?
Secondary ventilated branch
Primary discharge system
Discharge ventilated system
Primary ventilated system
What stack system is shown in the image?
Ventilated discharge system
Secondary discharge system
Primary branch system
Primary ventilated system
What is the function of the vent pipe in a standard domestic stack?
To take all the effluent away from the building
To allow air to enter the system at atmospheric pressure
To increase water pressure in the system
To prevent water from entering the dwelling
If an installation exceeds the maximum length stated, what should be done?
Use a smaller pipe size
Use the same pipe size
Use the next pipe size diameter up
Remove the installation
Which appliance has a waste size of 32 mm?
WC
Basin or bidet
Bath
Sink
What is the maximum length for a waste pipe used for a WC according to the table?
3.0 m
6.0 m
1.7 m
4.0 m
What is the purpose of installing a long radius bend at the base of a soil stack?
To increase the pressure of the effluent
To maintain the velocity of the effluent
To decrease the velocity of the effluent
To prevent effluent from entering the stack
What is the minimum distance from the drain invert level for the lowest connection to the soil stack in low-rise buildings?
450mm
500mm
600mm
750mm
For buildings up to five storeys, what is the minimum distance from the drain invert level for the lowest connection to the soil stack?
450mm
500mm
750mm
900mm
Which code of practice is related to the workmanship on building sites for AGDS?
BS 8000-13 1989
BS 8000-12 1988
BS 8000-14 1990
BS 8000-11 1987
What is the name of the section referred to in the image shown?
The vent pipe
The soil pipe
Identify the diagram shown.
A primary ventilated stack
A secondary ventilated stack
A ventilated branch system
A stub stack
A kitchen sink waste should use what size waste pipe
50mm
32mm
40mm
110mm
On a ventilated branch system, each branch is ventilated no more than how far from the appliances?
500mm
750mm
1000mm
1250mm
What is shown in the image?
Stop Valve
Water Valve
AAV
Max Trap
Identify the type of trap
P trap
S trap
running trap
bath trap
Identify the type of trap
P trap
S trap
running trap
bath trap
Identify the type of trap seal loss
compression
wavering out
capillary action
momentum
self siphonage
Identify the type of trap seal loss
compression
wavering out
capillary action
momentum
self siphonage
Identify the type of trap seal loss
compression
wavering out
capillary action
momentum
self siphonage
Identify the type of trap seal loss
compression
wavering out
capillary action
momentum
self siphonage
Identify the type of trap seal loss
evaporation
wavering out
capillary action
momentum
induced siphonage
Identify the type of trap seal loss
evaporation
wavering out
capillary action
momentum
induced siphonage
Identify the type of trap seal loss
evaporation
wavering out
capillary action
momentum
induced siphonage
What is shown in the image?
Pigmy Trap
Straight Trap
Waterless Trap
French Flange Trap
What is shown in the image?
P Trap
S Trap
Bath Trap
Running Trap
This picture shows a?
Waste manifold
Long radius bend
Strap boss
intumescent collar
This picture shows a?
Waste manifold
Long radius bend
Strap boss
intumescent collar
This picture shows a?
Waste manifold
Long radius bend
Strap boss
intumescent collar
What is the minimum distance from the permitted opposing connection in the soil stack to the branch connection?
200mm
250mm
300mm
2.5 times the diameter of the pipe
Why are bottle traps not suitable as a sink trap?
They are too large for a sink.
They are not visually appealing.
They are restrictive to the flow of water.
They are too expensive.
