CIVIL ENGINEERING CONCRETE TECHNOLOGY MCQ’s

The inert mineral material used for the manufacture of mortars and concretes is

Correct! Wrong!

Initial setting time of ordinary Portland cement is

Correct! Wrong!

For quality control of Portland cement, the test essentially done is

Correct! Wrong!

The continuous strain, which the concrete undergoes due to application of external loads, is called

Correct! Wrong!

Harshness in concrete is due to the excess of

Correct! Wrong!

The mixture of different ingredients of cement, is burnt at

Correct! Wrong!

The type of lime used in lime concrete is

Correct! Wrong!

A suitable admixture added at the time of preparing the concrete mix, makes the concrete

Correct! Wrong!

The chemical ingredient of cement which provides quick setting property to the cement is

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In order to provide color, hardness and strength to the cement, the ingredient used is

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Curing

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The commonly used material in the manufacture of cement is

Correct! Wrong!

The process of proper and accurate measurement of concrete ingredients for uniformity of proportion, is known

Correct! Wrong!

Vicat's apparatus is used for

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For road pavements, the cement generally used, is

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Water required per bag of cement, is

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The process of hardening the concrete by keeping its surface moist is known

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CRRI charts are used to obtain a relationship between strength of concrete and

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Specified compressive strength of concrete is obtained from cube tests at the end of

Correct! Wrong!

Blast furnace slag cement is used for

Correct! Wrong!

In Vicat's apparatus, the diameter of Vicat plunger is

Correct! Wrong!

Le-chatelier apparatus is used to perform

Correct! Wrong!

The ratio of the volume of moist sand to the volume of dry sand is known as

Correct! Wrong!

Slump test of concrete is a measure of its

Correct! Wrong!

The shrinkage of concrete

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Separation of water or water sand cement from a freshly concrete, is known

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To obtain a very high strength concrete, use very fine grained

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Sand requiring a high water cement ratio, belongs to

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A concrete having a slump of 6.5 cm, is said to be

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Strength of concrete with passage of time

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Setting time of cement increases by adding

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The factor which effect the design of concrete mix is

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The importance of batching is to obtain

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The process of mixing, transporting, placing and compacting the cement concrete should not take more than

Correct! Wrong!

For concreting of tunnel lining, the concrete is transported by

Correct! Wrong!

The final operation of finishing the concrete surface is called

Correct! Wrong!

The specifications of a cement bag for storage, are

Correct! Wrong!

Horizontal construction joints in concrete walls are generally provided at

Correct! Wrong!

Under normal circumstances, the beam soffits may be removed after

Correct! Wrong!

Sand generally contains salt if it is obtained from

Correct! Wrong!

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