For road pavements, the cement generally used, is

Question

For road pavements, the cement generally used, is

A. Ordinary Portland cement

B. Rapid hardening cement

C. Low heat cement

D. Blast furnace slag cement

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Which of the following has high tensile strength?

A. Plain hot rolled wires

B. Cold drawn wires

C. Heat treated rolled wires

D. All have same tensile strength

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Grading of sand causes great variation in

A. Workability of concrete

B. Strength of concrete

C. Durability of concrete

D. All the above

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Pick up the incorrect statement from the following:

A. In properly graded aggregates, bulk density is more

B. In single size aggregates, bulk density is least

C. In single size aggregates, bulk density is maximum

D. None of these

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Higher workability of concrete is required if the structure is

A. Made with cement concrete

B. Thick and reinforced

C. Thin and heavily reinforced

D. Thick and heavily reinforced

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The maximum percentage of chemical ingredient of cement is that of

A. Magnesium oxide

B. Iron oxide

C. Silica

D. Lime

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Inert material of a cement concrete mix, is

A. Water

B. Cement

C. Aggregate

D. None of these

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Most common method of pre-stressing used for factory production is

A. Long line method

B. Freyssinet system

C. Magnel-Blaton system

D. Lee-Macall system

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The percentage of voids in cement is approximately

A. 25 %

B. 40 %

C. 60 %

D. 80 %

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In the design of a front counterfort in a counterfort retaining wall, the main reinforcement is provided on (i) Bottom face near counterfort (ii) Top face near counterfort (iii) Bottom face near centre of span (iv) Top face near centre of span The correct answer is

A. Only (i)

B. Only (ii)

C. Both (i) and (iv)

D. Both (ii) and (iii)

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If the depth of actual neutral axis in a beam is more than the depth of critical neutral axis, then the beam is called

A. Balanced beam

B. Under-reinforced beam

C. Over-reinforced beam

D. None of the above

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Le-Chatelier's apparatus is used for testing

A. Soundness of cement

B. Hardness of cement

C. Strength of cement

D. Durability of cement

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Concrete mainly consists of

A. Cement

B. Aggregates

C. Water

D. All the above

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I.S. Sieve Nos. 10 mm and 4.75 mm are generally used for grading of

A. Coarse aggregates

B. Fine aggregates

C. Neither (a) nor (b)

D. Both (a) and (b)

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Pick up the correct statement from the following:

A. Water enables chemical reaction to take place with cement

B. Water lubricates the mixture of gravel, sand and cement

C. Strength of concrete structure largely depends upon its workability

D. All the above

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In symmetrically reinforced sections, shrinkage stresses in concrete and steel are respectively

A. Compressive and tensile

B. Tensile and compressive

C. Both compressive

D. Both tensile

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According to IS: 4561978, the flexural strength of concrete is

A. Directly proportional to compressive strength

B. Inversely proportional to compressive strength

C. Directly proportional to square root of compressive strength

D. Inversely proportional to square root of compressive strength

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If 50 kg of fine aggregates and 100 kg of coarse aggregates are mixed in a concrete whose water cement ratio is 0.6, the weight of water required for harsh mix, is

A. 8 kg

B. 10 kg

C. 12 kg

D. 14 kg

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The centroid of compressive force, from the extreme compression fiber, in limit state design lies at a distance of (Where x_u is the depth of neutral axis at the limit state of collapse)

A. 0.367 x_u

B. 0.416 x_u

C. 0.446 x_u

D. 0.573 x_u

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Cement used for normal concrete construction, is obtained by burning a mixture of

A. Siliceous and argillaceous materials

B. Argillaceous and calcareous materials

C. Siliceous and calcareous materials

D. Siliceous, argillaceous and calcareous materials

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If the effective working time is 7 hours and per batch time of concrete is 3 minutes, the output of a concrete mixer of 150 litre capacity, is

A. 15,900 litres

B. 16,900 litres

C. 17,900 litres

D. 18,900 litres

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The type of aggregates of same nominal size, which contain less voids when compacted, are

A. Rounded spherical

B. Irregular

C. Flaky

D. None of these

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You are asked to construct a massive dam, the type of cement you will use, is

A. Ordinary Portland cement

B. Rapid hardening cement

C. Low heat cement

D. Blast furnace slag cement

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For concreting tunnel linings, transportation of concrete is done by

A. Pans

B. Wheel borrows

C. Containers

D. Pumps

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A beam curved in plan is designed for

A. Bending moment and shear

B. Bending moment and torsion

C. Shear and torsion

D. Bending moment, shear and torsion

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

A. Grading

B. Curing

C. Mixing

D. Batching

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Too wet concrete may cause

A. Weakness of concrete

B. Excessive laitance

C. Segregation

D. All the above

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In counterfort retaining walls, the main reinforcement in the stem at support is

A. Not provided

B. Provided only on inner face

C. Provided only on front face

D. Provided both on inner and front faces

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Shrinkage in concrete can be reduced by using

A. Low water cement ratio

B. Less cement in the concrete

C. Proper concrete mix

D. All the above

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Approximate value of shrinkage strain in concrete, is

A. 0.003

B. 0.0003

C. 0.00003

D. 0.03

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Pick up the correct statement from the following:

A. The concrete gains strength due to hydration of cement

B. The concrete does not set at freezing point

C. The strength of concrete increases with its age

D. All the above

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Accepted Answer

B. Rapid hardening cement

For road pavements, the cement generally used, is

Correct Answer :

Show all Concrete Technology and Design MCQ

Related Questions

Which of the following has high tensile strength?

Grading of sand causes great variation in

Pick up the incorrect statement from the following:

Higher workability of concrete is required if the structure is

The maximum percentage of chemical ingredient of cement is that of

Inert material of a cement concrete mix, is

Most common method of pre-stressing used for factory production is

The percentage of voids in cement is approximately

In the design of a front counterfort in a counterfort retaining wall, the main reinforcement is provided on (i) Bottom face near counterfort (ii) Top face near counterfort (iii) Bottom face near centre of span (iv) Top face near centre of span The correct answer is

If the depth of actual neutral axis in a beam is more than the depth of critical neutral axis, then the beam is called

Le-Chatelier's apparatus is used for testing

Concrete mainly consists of

I.S. Sieve Nos. 10 mm and 4.75 mm are generally used for grading of

Pick up the correct statement from the following:

In symmetrically reinforced sections, shrinkage stresses in concrete and steel are respectively

According to IS: 4561978, the flexural strength of concrete is

If 50 kg of fine aggregates and 100 kg of coarse aggregates are mixed in a concrete whose water cement ratio is 0.6, the weight of water required for harsh mix, is

The centroid of compressive force, from the extreme compression fiber, in limit state design lies at a distance of (Where x_u is the depth of neutral axis at the limit state of collapse)

Cement used for normal concrete construction, is obtained by burning a mixture of

If the effective working time is 7 hours and per batch time of concrete is 3 minutes, the output of a concrete mixer of 150 litre capacity, is

The type of aggregates of same nominal size, which contain less voids when compacted, are

You are asked to construct a massive dam, the type of cement you will use, is

For concreting tunnel linings, transportation of concrete is done by

A beam curved in plan is designed for

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

Too wet concrete may cause

In counterfort retaining walls, the main reinforcement in the stem at support is

Shrinkage in concrete can be reduced by using

Approximate value of shrinkage strain in concrete, is

Pick up the correct statement from the following:

Also checkout

For road pavements, the cement generally used, is

Correct Answer :

Show all Concrete Technology and Design MCQ

Related Questions

Which of the following has high tensile strength?

Grading of sand causes great variation in

Pick up the incorrect statement from the following:

Higher workability of concrete is required if the structure is

The maximum percentage of chemical ingredient of cement is that of

Inert material of a cement concrete mix, is

Most common method of pre-stressing used for factory production is

The percentage of voids in cement is approximately

In the design of a front counterfort in a counterfort retaining wall, the main reinforcement is provided on (i) Bottom face near counterfort (ii) Top face near counterfort (iii) Bottom face near centre of span (iv) Top face near centre of span The correct answer is

If the depth of actual neutral axis in a beam is more than the depth of critical neutral axis, then the beam is called

Le-Chatelier's apparatus is used for testing

Concrete mainly consists of

I.S. Sieve Nos. 10 mm and 4.75 mm are generally used for grading of

Pick up the correct statement from the following:

In symmetrically reinforced sections, shrinkage stresses in concrete and steel are respectively

According to IS: 4561978, the flexural strength of concrete is

If 50 kg of fine aggregates and 100 kg of coarse aggregates are mixed in a concrete whose water cement ratio is 0.6, the weight of water required for harsh mix, is

The centroid of compressive force, from the extreme compression fiber, in limit state design lies at a distance of (Where xu is the depth of neutral axis at the limit state of collapse)

Cement used for normal concrete construction, is obtained by burning a mixture of

If the effective working time is 7 hours and per batch time of concrete is 3 minutes, the output of a concrete mixer of 150 litre capacity, is

The type of aggregates of same nominal size, which contain less voids when compacted, are

You are asked to construct a massive dam, the type of cement you will use, is

For concreting tunnel linings, transportation of concrete is done by

A beam curved in plan is designed for

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

Too wet concrete may cause

In counterfort retaining walls, the main reinforcement in the stem at support is

Shrinkage in concrete can be reduced by using

Approximate value of shrinkage strain in concrete, is

Pick up the correct statement from the following:

Also checkout

The centroid of compressive force, from the extreme compression fiber, in limit state design lies at a distance of (Where x_u is the depth of neutral axis at the limit state of collapse)