Which of the following ratio is also known as water-cement ratio?

Civil Engineering : Concrete Technology - Quiz(MCQ)

Weight of water to the weight of cement

Weight of water to the weight of aggregates

Volume of cement to the volume of cement

Density of cement to the Density of cement

Correct Answer : Weight of water to the weight of cement

Explanation : The water–cement ratio is the weight of water in a concrete mix divided by the weight of cement. The strength of concrete is proportional to the Cement water ratio and inversely proportional to the w/c ratio.

Recently Updated in Concrete Technology Questions

Which of the following compound is used for fine polishing?

Nitric oxide

Iron oxide

Silicon carbide

Aluminum oxide

Correct Answer : Option (D) : Aluminum oxide

Explanation : Powder form of aluminum oxide is used for fine polishing process. It is surface treatment process.

Maximum nominal size of aggregates to be used in concrete may be as large as possible within the limits prescribed by __________

IS 456-2010

IS 456-2000

IS 465-2000

IS 513-1999

Correct Answer : Option (B) : IS 456-2000

Explanation : Option can be eliminated because there is no such code. Maximum nominal size of aggregates to be used in concrete may be as large as possible within the limits prescribed by IS 456:2000.

Air contents should be _________ % by volume.

1-2

2-3

3-4

4-5

Correct Answer : Option (C) : 3-4

Explanation : This type of cement was first of all developed in U.S.A. It is recommended that air contents should be 03-04 % by volume.