NEW
Font size
WorksheetsDrainage Systems 6035-02 | Part 4
Total questions: 36
Worksheet time: 18mins
The size of waste pipe for a sink is?
32mm
40mm
75mm
100mm
Identify the diagram shown.
A primary ventilated stack
A secondary ventilated stack
A ventilated branch system
A stub stack
When installing any soil stack or waste system, you would generally look at what to see the position in which they will be installed?
Manufacturers instructions
Building regulations
British standards
Building plans
What Building Regulation covers drainage and waste disposal?
Part L
Part P
Part G
Part H
Identify the boss branch.
The trap seal depth(mm) for sinks is?
50mm
75mm
What is the maximum length the waste pipe can be for baths?
1.7m
3.0m
6.0mm
Which of the following is not a type of below ground drainage systems?
Separate system
Combined system
Partially combined system
Partially separate system
Select the option that does not state a 'true' benefit to having a self-sealing waterless valve.
They remove the problem of negative pressure
Operation is silent
Gradient is very restricted
The seal can withstand back pressure
When the discharge branch is installed vertically to the appliance, which trap would best suit?
S trap
P trap
What is the component shown here?
Drain bag
AAV
Access plug
Which of the following is a false advantage to PVCu guttering?
Minimal maintenance
Economical
Corrosive
Long life expectancy
Select the correct PVCu profile: Half round
What is the component shown?
Strap boss
Bossed panel
AAV
Identify the access bend.
What is the component shown?
Collared boss
Boss strap
Parallel junction
What is the name of the section referred to in the image shown?
The vent pipe
The soil pipe
Select the correct component from a drain rod set: Drain rod wheel
STATEMENT: This system is not recognised by the Building Regulations for new builds.
True
False
What is the name of the component shown?
Terminal cage
AAV
Stop end
The purpose of an air admittance valve is:
To allow foul air out at a safe level of the property
To filter the foul air out as clear air
To filter fresh air into the system to replace the foul air
To allow air in but not allow foul air out
Select the flexible pan connector
Which of the following is not beneficial to the plumber to prevent dermatitis?
Use of barrier cream
Use of gloves
Use of steel cap boots
Checking the COSHH data sheets
The component shown is?
Sink trap
Bottle trap
Anti-vac trap
Select the correct trap seal loss: This is caused by the wind passing over the top of a soil stack and therefore creating the traps in the appliances to bob up and down.
Evaporation
Momentum
Wavering out
Self-siphonage
Which of the following is not a type of guttering?
PVCu
Cast iron
Cast aluminium
ABS
The depth of water seal in a trap should not be less than?
25mm
50mm
75mm
100mm
What is the height between the lowest connection and the drain invert level for a multi-storey building is?
300mm
450mm
600mm
750mm
The trap seal depth(mm) for WC's is?
50mm
75mm
WRITTEN ANSWER: Fill in the missing section. (In Metres)
0.7m
1.7m
2.5m
Which of the following would fall under an important activity when performing a Planned preventative Maintenance?
Lubrication of nuts and bolts on access caps
Inspection of rubber seals
Lubrication of any internal threads
All of the above
Select the correct component: Washing machine trap
On a ventilated branch system, each branch is ventilated no more than how far from the appliances?
500mm
750mm
1000mm
1250mm
What is the maximum gradient that any discharge branches should have?
2°
2.5°
5°
0°
What is the waste fitting size for a WC pan?
1 1/4"
1 1/2"
4"
N/A
If the scenario occurs that involves the removal of asbestos soil and vent pipes, what should the plumber do?
Break the pipes into small pieces
Break the pipe into larger pieces
Ask for additional aid in the removal
Advise the supervisor
