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305 Cold water systems 3 Quiz

Total questions: 18

Worksheet time: 14mins

Name
Class
Date
1.

What is the maximum depth at which a water main service pipe should be laid at?

a)

750mm

b)

1,250mm

c)

1,350mm

d)

1,750mm

2.

Fluid category 1 represents:

a)

a serious health risk

b)

a significant health risk

c)

a slight health risk

d)

no health risk

3.

Which one of the following water pipes connects the local main to the water undertaker's stop valve?

a)

The distribution pipe

b)

The communication pipe

c)

The feed pipe

d)

The service pipe

4.

The plastic medium density supply pipe, which is coloured blue, is manufactured from which one of the following materials?

a)

Polyethylene

b)

Polystyrene

c)

Polypropylene

d)

Polybutylene

5.

Which one of the following is the minimum depth at which a water main service should be laid?

a)

1,350mm

b)

1,150mm

c)

950mm

d)

750mm

6.

Which one of the following can affect the pressure and flow rates to the incoming main to a property?

a)

Peak demand periods

b)

The size of the CWSC in the loft

c)

The square metre floor area of the property

d)

How close the water meter is to the property

7.

Water which is from underground sources and has passed through sandstone will generally be classed as which type of water?

a)

Very soft water

b)

Soft water

c)

Temporary hard water

d)

Permanently hard water

8.

Fluid category 3 represents:

a)

A serious health risk

b)

A significant health risk

c)

A slight health risk

d)

No health risk

9.

Which of the options listed does the passage below describe? 'Man-made wells drilled directly to a below ground water source.'

a)

Artesian well

b)

Borehole

c)

Natural spring

d)

Deep well

10.

Water from a hot water outlet is classified as which water category?

a)

1

b)

2

c)

3

d)

4

11.

What type of cold water system is pictured below?

a)

Direct cold water system

b)

Indirect boosted cold water system

c)

Indirect cold water system

d)

Direct boosted cold water system

12.

Water undertakers may allow direct boosting from their main, providing:

a)

the demand is above 0.5 litres per second

b)

the demand is above 0.2 litres per second

c)

the demand is below 0.5 litres per second

d)

the demand is below 0.2 litres per second

13.

In a direct boosted cold water system, what device turns the pump on and off?

a)

A pipe level switch

b)

A pressure switch

c)

A float switch

d)

A flow switch

14.

In an indirect boosted cold water system, what is the name of the low level cistern which is filled by the cold water main?

a)

Feed and expansion cistern

b)

Cold water storage cistern

c)

Spill cistern

d)

Break cistern

15.

Which of the following is not a stated objective of the Water Supply (Water Fittings) Regulations 1999?

a)

The prevention of waste

b)

The prevention of precipitation

c)

The prevention of undue consumption

d)

The prevention of misuse

16.

Who is directly responsible for the collection, treatment and distribution of water to the consumer?

a)

Water undertaker

b)

Local government

c)

DEFRA

d)

WRAS

17.

What is the name of the pipe which connects the cold water from the property boundary into the property?

a)

Service pipe

b)

Distribution pipe

c)

Sparge pipe

d)

Communication pipe

18.

Temporary hard water can be described as water which contains excessive amounts of which of the following?

a)

Calcium sulphate

b)

Calcium carbonate

c)

Chlorine

d)

Carbon dioxide