Worksheets305 Cold water systems 3 Quiz
Total questions: 18
Worksheet time: 14mins
What is the maximum depth at which a water main service pipe should be laid at?
750mm
1,250mm
1,350mm
1,750mm
Fluid category 1 represents:
a serious health risk
a significant health risk
a slight health risk
no health risk
Which one of the following water pipes connects the local main to the water undertaker's stop valve?
The distribution pipe
The communication pipe
The feed pipe
The service pipe
The plastic medium density supply pipe, which is coloured blue, is manufactured from which one of the following materials?
Polyethylene
Polystyrene
Polypropylene
Polybutylene
Which one of the following is the minimum depth at which a water main service should be laid?
1,350mm
1,150mm
950mm
750mm
Which one of the following can affect the pressure and flow rates to the incoming main to a property?
Peak demand periods
The size of the CWSC in the loft
The square metre floor area of the property
How close the water meter is to the property
Water which is from underground sources and has passed through sandstone will generally be classed as which type of water?
Very soft water
Soft water
Temporary hard water
Permanently hard water
Fluid category 3 represents:
A serious health risk
A significant health risk
A slight health risk
No health risk
Which of the options listed does the passage below describe? 'Man-made wells drilled directly to a below ground water source.'
Artesian well
Borehole
Natural spring
Deep well
Water from a hot water outlet is classified as which water category?
1
2
3
4
What type of cold water system is pictured below?
Direct cold water system
Indirect boosted cold water system
Indirect cold water system
Direct boosted cold water system
Water undertakers may allow direct boosting from their main, providing:
the demand is above 0.5 litres per second
the demand is above 0.2 litres per second
the demand is below 0.5 litres per second
the demand is below 0.2 litres per second
In a direct boosted cold water system, what device turns the pump on and off?
A pipe level switch
A pressure switch
A float switch
A flow switch
In an indirect boosted cold water system, what is the name of the low level cistern which is filled by the cold water main?
Feed and expansion cistern
Cold water storage cistern
Spill cistern
Break cistern
Which of the following is not a stated objective of the Water Supply (Water Fittings) Regulations 1999?
The prevention of waste
The prevention of precipitation
The prevention of undue consumption
The prevention of misuse
Who is directly responsible for the collection, treatment and distribution of water to the consumer?
Water undertaker
Local government
DEFRA
WRAS
What is the name of the pipe which connects the cold water from the property boundary into the property?
Service pipe
Distribution pipe
Sparge pipe
Communication pipe
Temporary hard water can be described as water which contains excessive amounts of which of the following?
Calcium sulphate
Calcium carbonate
Chlorine
Carbon dioxide
