
Drainage power point 2 2025
Authored by Gary Jones
Construction
Vocational training
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29 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In a secondary ventilated stack system, the main stack has a secondary vent, which is connected from just above the ________ going up to the dry section of the stack.
long radius bend
trap
floor
roof
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Look at the diagram of the Secondary ventilated stack system. What is the name of the vertical pipe that provides additional ventilation to the system?
Secondary ventilating stack
Soil pipe
Waste pipe
Main drain
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Look at the diagram of the Ventilated branch system. What is the name of the vertical pipe labeled as the main air passage for ventilation?
Main ventilating stack
Soil pipe
Waste pipe
Branch vent
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In the diagram of the Ventilated branch system, which part is labeled as the horizontal pipe that carries waste water to the main discharge stack?
Branch discharge pipe
Vent pipe
Main discharge stack
Soil pipe
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the minimum size of the branch ventilating pipe for a single appliance in a ventilated branch system?
20mm
25mm
32mm
40mm
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
The size of the branch ventilating pipe for multiple appliances in a ventilated branch system is _______.
32mm
25mm
40mm
50mm
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
According to the 'Ventilated branch system', where must any branch ventilating pipe be connected?
To the discharge stack below the spillover level of the appliance
To the discharge stack above the spillover level of the appliance
Directly to the appliance
To the main water supply
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