Question

Ramesh and some both got a big iron table for their shop individually . Ramesh painted his table with paints where shyam got it laminated
1) whose metal is effective in preventing rusting how
2) how rusting cause a great economic loss​

Answer 1

Answer:

(a) For rusting, moisture and oxygen is necessary.

(b) Both, Ramesh’s and Shyam’s methods are effective in preventing rusting. Painting and lamination, both, will prevent air and moisture from coming in contact with the iron table.

(c) Rusting cause a great economic loss as replacement of corroded equipment, their maintenance,

A contamination of other substances, etc., requires a huge amount to be spent on them.

(d) Ramesh and Shyam are both intelligent and responsible.

Answer 2

Answer:

1. Painting and laminating both methods are effective in preventing rusting but lamination is more effective than painting.
2. Rusting damage structures made from iron like bridges, gates, and other structures that are maintained or replaced if the damage is not maintainable.

Explanation:

Rusting: Rusting of iron is an oxidation reaction in which water or moisture and oxygen react with the iron surface and form reddish-brown color oxide.

Rusting causes economic loss:

Many structures whether large or small are made up of iron to some extent and because of the phenomenon of rusting get damaged and then maintenance is required which requires extra cost, and the people have to bear the economic loss.

Prevention of rusting:

Rusting can be prevented by various methods that are painting, lamination, galvanization, etc.

In the given options i.e painting and lamination. lamination is more effective as paint can be removed after some wear and tear caused by the atmosphere while lamination is a thick sheet of plastic covering metal surface which is more durable than paint.

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