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WorksheetsPlumbing L3 AP Drainage PT2
Total questions: 34
Worksheet time: 17mins
What building regulations cover drainage systems?
Part L and J
Part H and G
Part H and P
Part G and L
The British standard that cover gravity drainage systems within the building is?
BS 12056
BS 1212
BSEN 806
BS 6700
The British standard for good workmanship on site is?
BS 8000 pt13
BSEN 806
BS 1212
BS 1172
This picture shows a?
Primary ventilated stack
Secondary ventilated stack
Soil pipe
Drain pipe
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
The lowest connection to the soil stack must be a minimum of how many mm for a two story building?
150 mm
300 mm
450 mm
750 mm
The lowest connection to the soil stack must be a minimum of how many mm for a five story building?
150 mm
300 mm
450 mm
750 mm
Where a trap diameter is 50mm or above, the trap seal must be a minimum of?
50 mm
25 mm
75 mm
100 mm
The minimum size of trap for a shower is?
40 mm
32 mm
50 mm
100 mm
If the stack has a tight radius at the base (instead of a long radius bend) the water can start to back up the stack, causing pressure to build, and pushing out the lower traps. This is known as?
Compression
Self siphonage
induced siphonage
capillary action
What is the recommended gradient for a bath waste pipe?
18 mm
18 to 22 mm
18 to 90 mm
no recommended gradient
What is the maximum length for a 32 mm basin waste?
1.7 m
1.5 m
3 m
6 m
Why is this plastic waste pipe sagging so badly?
it's in a sunny location
no room for exapansion
it's not clipped correctly
all of the above
The correct gradient a gutter should be installed to is?
600:1
1:60
1:600
60:1
This gutter profile is called......
Half round
Square
Egg mould
Ogee
One purpose of installing gutter systems to a gradient is to...
allow for expansion of the gutter system
ensure the gutter system looks good when it is finished
make it easier for us to install gutter systems
help create a self cleaning flow of water through the gutter system
What would be used if there is a possibility of trap seal loss due to siphonage?
P trap
S trap
Anti Vac trap
Pedestal trap
What is the test pressure for waste pipe systems?
25 mm
32 mm
38 mm
1.5 times the working pressure
How long is a waste pipe system test?
3 mins
15 mins
30 mins
60 mins
The method of jointing using this fitting is.....
solvent weld
push fit
DIY
compression
The method of jointing using this fitting is?
Compression
Solvent weld
Glue
Push fit
What size waste pipe is used for a wash hand basin
32mm
40mm
50mm
110mm
A kitchen sink waste should use what size waste pipe
50mm
32mm
40mm
110mm
The size of a waste pipe for a soilstack is
110mm
50mm
32mm
40mm
What is the maximum length of a WC branch?
2m
4m
6m
8m
What is shown in the image?
Pigmy Trap
Straight Trap
Waterless Trap
French Flange Trap
Bends at the base of discharge stacks should be large-radius with a minimum radius of _____?
150mm
200mm
265mm
380mm
What is shown in the image?
P Trap
S Trap
Bath Trap
Running Trap
What is the Trap Seal Depth when fitted to a primary ventilated system (BS EN 12056-02) of a Wash Basin pipe size of 32mm Diameter
75mm
50mm
25mm
100mm
What is the Trap Seal Depth when fitted to a primary ventilated system (BS EN 12056-02) of a Bath pipe size 40mm Diameter
75mm
50mm
25mm
100mm
What is shown in the image?
Stop Valve
Water Valve
AAV
Max Trap
What is shown in the image?
Shower Trap
Washing Machine Trap
Bath Trap
Anti-syphon Bottle Trap
