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WorksheetsSanitaryware level 2 part 2
Total questions: 23
Worksheet time: 12mins
A new automatic water flow cut off device has been correctly installed to an automatic flushing cistern but is not performing to specification. The appropriate action the plumber should take is to
advise the customer to return the item
strip the item down and attempt to repair it
get the item replaced under warranty
get the manufacturer to visit site and replace it.
The main purpose of a dual flush WC cistern is to
increase the volume of water to flush the pan
allow the cistern to be connected to a siphonic pan
prevent the possibility of the cistern overflowing.
significantly improve water conservation
A partially blocked outlet from a WC would cause
the siphon to malfunction
the WC cistern to overflow
the bath waste pipe to be blocked
failure of the pan to clear its contents completely.
A pop-up waste fitted to a wash basin fails to retain the water when in the closed position. To rectify the problem a plumber should first
adjust the plug lift at the control port seal connection
Increase the plug lift by rotating the adjuster anti-clock wise
reduce the plug lift by rotating the adjuster clock wise
adjust the shackle so that it is closer to the waste fitting.
Which of the following jointing materials is suitable for making a plastic basin waste into a vitreous china wash basin?
Linseed oil putty
Jointing compound
Silicone sealant
Hemp.
What is the recommended flushing volumes of a dual flush wc cistern
6 and 5 litres
6 and 4 litres
8 and 4 litres
9 and 4.5 litres
The cold water supply to a macerator WC should be isolated by a
Service valve
Gate valve
Supply stop valve
Single check valve
Whilst re-washering a tap the plumber notices that the washbasin is cracked. The plumber’s next action would be to
tell the customer and then agree the next action
get the appropriate tools and renew the wash basin
contact the manufacturer and arrange a replacement
contact the supplier and arrange a replacement.
The electrical supply to a sink waste disposal unit should be wired from
a fused double pole switch
the meter connection
a pull switch in the kitchen
an un-switched outlet.
Which of the following would cause the least disruption to the customer when all the WC fitments in a busy public toilet are being replaced?
Close the toilets down and provide external portable WC facilities
Carry out the work in stages outside normal working hours
Organise additional plumbers to get the job done much quicker
Keep the toilets open and supply internal portable WC facilities.
Guidance on workmanship related to sanitation systems is provided by which British Standard?
BS 1876
BS 6700.
BS 8000
BS 12056.
On a routine maintenance inspection, which one of the following checks would be necessary to ensure that the system complies with regulations?
That WC pans on solid floors are not bedded on a sand and cement mix.
Vent pipes are terminated with a wind cowl to avoid loss of trap seal
Sanitation pipework is always one size smaller than the trap outlet
Rodding points to discharge pipework are checked for ease of access.
If a newly fixed sanitary appliance does not perform to specification, the plumber should
advise the customer to return the item
get the item replaced under warranty
strip the item down and attempt to repair it
get the manufacturer to visit site and replace it.
The maximum flush capacity of a new WC suite is
6.0 litres
6.5 litres
8.0 litres
9.0 litres
The purpose of a sparge pipe is to
create a vacuum between a WC cistern and siphonic pan
join the overflow outlet to the waste fitting on a bath
evenly distribute water over the face of a slab urinal
limit the flow of water to an automatic flushing cistern.
An acceptable jointing material that can be used to make a watertight seal between an unslotted waste and a plastic shower tray is
linseed oil putty
silicone sealant
jointing compound
hemp.
Before installing a waste disposal unit, a plumber should check that the
water pressure to the unit is adequate for it to function correctly
unit has a cut out device that will turn it off should it jam
pipework from the unit cannot discharge directly into a soil stack
waste disposal outlet fitting is a minimum diameter of 19 mm.
Which of the following should be the first action when replacing a pump on a jacuzzi?
Carry out a safe electrical isolation procedure of the pump.
Apply cross bonding between the pump and the metal bath frame
Turn off the hot and cold water supply and drain the pipework
Remove the anti vibration mounts from the pump casing.
Where should the electrical supply switch to a WC macerator NOT be sited
In the bathroom or showeroom
In the Cloakroom
In the concealed ducting
Outside the room the unit is sited
What needs to be considered before installing a WC waste macerator in a property
The mains cold pressure is high enough
That there is another WC in the building connected to the main drainage
The flush volume of the WC cistern
That there is a sufficient 40A electrical supply
What should be the correct gradient for a waste pipe entering the macerator unit
1;40
1;20
1;10
1;60
What is the purpose of the non-return valve within the macerator unit?
The non-return valve prevents waste water heating up from the heat of the motor
To make the motor run smoothly
To make the discharge quieter
The non-return valve prevents waste under gravity pressure from re-entering the unit
What should be avoided on the outlet pipework from a WC macerator
90 degree bends
Vertical lift
Horizontal pipework
45 degree bends
