BASIC PLUMBING 3 COMPOSITION OF WATER - Practice Mode

1) Which process works on the principle of diffusion in water softening treatment?

Demineralisation process Reverse osmosis process Lime soda process Zeolite process

Correct Answer: Reverse osmosis process

2) Which is the process of water softening treatment if hard water is passed through resin of hydrogen form?

Lime soda process Zeolite process Demineralisation process Reverse osmosis process

Correct Answer: Demineralisation process

3) Which is the process of water softening treatment works based on ion-exchange process?

Lime soda process Reverse osmosis process Zeolite process Demineralization process

Correct Answer: Zeolite process

4) Which material is used to make ferrules in dual system of treated water supply?

Lead Steel Brass Bronze

Correct Answer: Brass

5) Which is the advantage of water supply in intermittent system?

Water can be supplied to high level areas Water has to be stored for non supply hours Size of the pipes are required to be larger Size of the pipes are not required to be larger

Correct Answer: Water can be supplied to high level areas

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