Cold Storage System

Question 1

List 5 reasons for fitting a cover on a cold water storage cistern.

Answer 1

1. Prevents stagnation.
2. Prevents dust.
3. Prevents vermin.
4. Prevents dirt.
5. Stops light entering.

Question 2

Give 3 reasons why the cold water storage cistern should be installed.

Answer 2

1. Protects fermentation of bacteria.
2. Stops it from freezing.
3. Requires more energy for temperature.

Question 3

What is galvanisation of cold water cisterns?

Answer 3

It is made from mild steel which is dipped into baths of acid and dipped in zinc.

Question 4

Do galvanised mild steel cisterns need a continuous flat base under them for support. Why?

Answer 4

Ask mike

Question 5

List 2 methods of good practice that can prolong the life of a galvanised cold water storage cistern.

Answer 5

1. By using 2 coats of good paint.

2. Removed the smarf.

Question 6

List 1 advantage of using galvanised cold water storage cisterns over plastic.

Answer 6

ask mike.

Question 7

Is it ok cut holes in plastic cisterns using hot pipework? Give a reason for your answer.

Answer 7

No because it will lead to failure around the joint.

Question 8

How should two or more cisterns be connected?

Answer 8

Ask mike

Question 9

How is stagnation prevented on a single cold water storage cistern?

Answer 9

Ask mike

Question 10

List 3 materials used in the manufacture of cold storage cisterns.

Answer 10

1. Plastic (PVC).
2. Galvanised.
3. Glass fibre.