Which underground drainage system is this?

GMJ 9189 Phase 2 Below ground drainage systems

Quiz
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Other
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Professional Development
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Medium
Glen Johnson
Used 71+ times
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12 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Separate
Combined
Partial
Partially combined
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which underground drainage system is this?
Separate
Combined
Partial
Partially combined
3.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
Which underground drainage system is this?
Separate
Combined
Partial
Partially combined
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What are also used with partial system to collect water from a roof not connected to the surface water drain.
Cast iron down pipes
Soakaways
An extra inspection hatch
A roof with a shallow pitch
5.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
A soakaway is a pit – usually ........ 1m x 1m x 1m, dug into the ground and filled with gravel – where the rainwater pipe discharges into.
2m x 2m x 2m, dug into the ground and filled with gravel – where the rainwater pipe discharges into.
1m x 1m x 1m, dug into the ground and filled with gravel – where the rainwater pipe discharges into.
Soakaways should be situated at least 5m away from the property.
Soakaways should be situated at least 12m away from the property.
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Waste pipes up to what diameter for appliances such as kitchen sinks, cleaners’ sinks and washbasins may discharge directly into the back-inlet gully of a below-ground drainage system.
32mm
40mm
50mm
75mm
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
A waste pipe discharging into a ground level gully should do which of the following?
Discharge over the grate
Discharge through the grate but above the water level of the trap seal
Discharge adjacent to the grate
Discharge through the grate and below the water level of the trap seal
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