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Cement and Its uses

Choose the co...

Question

Choose the correct statement.
a) The strength of fully compacted concrete is inversely proportional to the water cement ratio.
b) The strength of fully compacted concrete is directly proportional to the water cement ratio.

A

Statement (a) is true

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B

Statement (b) is true

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C

Both the statements (a) and (b) are true

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D

Both the statements (a) and (b) are false

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Solution

The correct option is A Statement (a) is true
The strength of fully compacted concrete is inversely proportional to the water cement ratio.

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Similar questions

Q. Consider the following statements:
1. The compressive strength of concrete decreases with increase in water-cement ratio of the concrete mix.
2. Water is added to the concrete mix for hydration of cement and workability.
3. Creep and shrinkage of concrete are independent of the concrete mix.
Which of these statements are correct?

Q. A sample of concrete is prepared by using

500 g

of cement with water cement ratio of

0.55

240 N / m m^{2}

intrinsic strength of gel. The theoretical strength of concrete on full hydration will be nearly.

Q. In handling air-entraining admixtures the beneficial amount of entrained air depends upon certain factors like
1. Type and quantity of air-entraining agent
2. Water-cement ratio of the mix
3. Strength of aggregates
4. Extent of compaction of concrete

Q. The minimum cement content

(\frac{k g}{m^{3}})

for a pre-specified strength of concrete (using standard notations) premised on 'free water-cement ratio' will be as

Q. Abram's law formulated an equation in 1919 which states that the strength of concrete varies inversely with the water/cement ratio. Which of the following conditions needs to be satisfied for this law to be applicable?

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