Construction Ma...

High percentage of C₃S and low percentage of C₂S in a cement mixture will result in:

i) Rapid hardening.

ii) High early strength with high heat generation.

iii) More resistance to chemical attack.

The correct answer is:

Creep strains in concrete structure are usually ______.

Stainless steel is an alloy of________.

The number of cement bags required in making plain cement concrete flooring in an area of size 3 m ×  3 m and 100 mm thick using cement concrete of mix 1: 3: 6 is

The fineness modulus of fine aggregate is 2.78 and of coarse aggregate is 7.82 and the desired fineness modulus of mixed aggregate is 6.14. What is the amount of fine aggregate to be mixed with one part of coarse aggregate?

Consider the following statements:

1. If more water is added to concrete for increasing its workability, it results into concrete of low strength.

2. No slump is an indication of a good workable concrete.

3. Higher the slump of concrete, lower will be its workability.

4. Workability of concrete is affected by water content as well as water-cement ratio.

Which of the above statements are correct?

Consider the following particulars in respect of a concrete mix design:

What shall be the weight of the Fine aggregates?

Out of the following test methods for Ordinary Portland cement (OPC) and concrete which of them are correctly matched.

For the following Strength of concrete statements. Identify the correct statements.