BASIC PLUMBING 3 COMPOSITION OF WATER - Set 4

Set 4 Practice Mode

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Q10446

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Which water supply distribution system is suitable for towns growing irregularly?

A Radial system

B Grid iron system

C Circle or ring system

D Tree or dead end system

Q10447

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Which bicarbonates are the reason for temporary hardness of water?

A Sulphates

B Calcium and magnesium

C Chlorides

D Nitrates

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