WorksheetsCold Water Session 2 Revision.
Total questions: 25
Worksheet time: 14mins
Who is responsible for the supply of water to consumers?
The local government
The water undertaker
The consumer
The environmental agency
How many homes can a typical reservoir supply?
150,000 homes
1,000 homes
10,000 homes
100,000 homes
What pipe connects the suppliers main to the property boundary?
Service pipe
Communication pipe.
Supply valve
Water meter
What can rain harvesting not be used for?
Drinking water
Irrigation
Toilet flushing
Laundry
What five things are the Water Regulations designed to prevent?
Waste, misuse, undue consumption, contamination, erroneous billing
Waste, misuse, undue consumption, contamination, incorrect installation
Waste, misuse, undue consumption, contamination, incorrect pressure
Waste, misuse, undue consumption, contamination, incorrect temperature
Why should cold water storage cisterns be positioned as high as possible?
To reduce the cost of installation
To increase water temperature
To provide adequate pressure
To minimize water usage
What is required for water to be classified as Fluid Category 1?
It must be hot and suitable for industrial use.
It must be clean, cold, and wholesome.
It must be untreated and from a natural source.
It must be chemically treated and stored.
According to the water regulations, where should drinking water ideally be supplied from?
A private well
A bottled water company
A water undertaker’s mains supply
A rainwater collection system
What causes the aesthetic quality of water in Fluid Category 1 to be impaired?
A change in its temperature
The presence of harmful chemicals
A decrease in pH level
An increase in mineral content
Which of the following is NOT a characteristic of Fluid Category 2?
Changes are aesthetic only
Constitutes a health risk
May occur in water heated in a hot water secondary system
Includes water softened by a domestic water softener
In which scenario might Fluid Category 2 changes occur?
Water in a natural spring
Water heated in a hot water secondary system
Water from a desalination plant
Water in a swimming pool
Which of the following is a typical situation for Fluid Category 3?
Water in the primary circuits of central heating systems
Water used in industrial cooling towers
Water in swimming pools
Water in bottled beverages
In premises other than single occupancy domestic dwellings, what fluid category may domestic fittings and appliances such as washbasins, baths, or showers be regarded as?
Fluid category 1
Fluid category 2
Fluid category 3
Fluid category 4
What does Fluid Category 4 represent in terms of health hazards?
Fluids with low toxicity
Fluids with significant health hazards due to toxic substances
Fluids safe for consumption
Fluids used in food processing
What type of substances might Fluid Category 4 contain?
Non-toxic substances
Chemicals or pesticides
Pure water
Edible oils
Fluid Category 5 includes fluids containing which of the following?
Clean water.
Pathogens from any source.
Distilled water.
Mineral water.
Which of the following is a component of Fluid Category 5?
Faecal material or other human waste.
Pure oxygen.
Clean air.
Fresh fruit juice.
What is the 1st stage of water treatment?
(a)
What are the 2 methods of water supply distribution in the UK?
(a)
What are the minimum and maximum depths for a service pipe to a dwelling?
1000mm & 2000mm
570mm & 1850mm
750mm & 1350mm
0.75m & 1.35m
What component is used to tap into a water main to supply a dwelling without having to isolate the main?
Screw down stop valve.
Lever type stop valve
Ferrule.
What is the maximum length of exposed pipe above floor level before a stop valve is fitted?
250mm
300mm
150mm
200mm
Which mineral is added to water in the UK to help prevent tooth decay?
Magnesium.
Flouride.
Lead.
Sulphur.
Which component must be fitted immediately above a stop valve in order to comply with regulations?
Drain off valve conforming to
BS EN 1254.
Water meter.
150mm of blue MDPE pipe.
Drain off valve conforming
BSEN 1245.
If a water meter is fitted internally on the water main what safety measure must be fitted?
Temporary continuity bonding.
Permanent continuity bonding.
Drain off valve conforming to
BSEN 1254.
