Question

Curing concrete is the process used to stop freshly poured concrete from drying quickly. Curing is done because concrete if left to dry quickly will become weak and will tend to crack easily.
To prevent quick drying after hardening sufficiently, newly laid concrete floors are cured in the following ways:
P) by building bunds on the four sides of the concrete floor and flooding the area with water.
Q) by covering the area with sackcloth and spraying with water.
R) by spraying the area with water and covering it with a plastic sheet.

Which of the above methods of curing is likely to use the LEAST amount of water?

options-
a) P

b) Q

c) R

d) (All the methods will use the same amount of water.

Answer 1

Answer:

please mark me brain list

Explanation:

Water cure: The concrete is flooded, ponded, or mist sprayed. ...

Water retaining methods: Use coverings such as sand, canvas, burlap, or straw that are kept continuously wet. ...

Waterproof paper or plastic film seal: Are applied as soon as the concrete is hard enough to resist surface damage.

Answer 2

Answer:

Q) by covering the area with sackcloth and spraying with water

Explanation:

By covering the area with sackcloth and spraying with water, we use less water because the sackcloth will spread the water to all parts of the concrete.