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Building Materials - Engineering

Q1:

If water required for 1 bag of cement is 30 litres, the water cement ratio is :

A 0.40

B 0.50

C 0.60

D None of these.

ANS:C - 0.60

Hi, The Correct answers is 0.6.

Water cement ratio = weight of water/ weight of cement.

The weight of 1-litre water is 1 kg.
So, 30 liter = 30 kg.
Weight of 1 bag cement (volume = 35 liter) is 50kg.

Therefore, W/c ratio = 30/50 = 0.6.