BASIC PLUMBING 3 COMPOSITION OF WATER - Practice Mode

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

Radial system Grid iron system Circle or ring system Tree or dead end system

Correct Answer: Tree or dead end system

2) Which bicarbonates are the reason for temporary hardness of water?

Sulphates Calcium and magnesium Chlorides Nitrates

Correct Answer: Calcium and magnesium

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