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

Question

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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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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The strength of concrete after one year as compared to 28 days strength is about

A. 10 to 15% more

B. 15 to 20% more

C. 20 to 25% more

D. 25 to 50% more

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The shuttering of a hall measuring 4 m × 5 m, can be removed after

A. 5 days

B. 7 days

C. 10 days

D. 14 days

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If fineness modulus of sand is 2.5, it is graded as

A. Very fine sand

B. Fine sand

C. Medium sand

D. Coarse sand

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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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For ensuring quality of concrete, use

A. Single sized aggregates

B. Two sized aggregate

C. Graded aggregates

D. Coarse aggregates

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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 increased cohesiveness of concrete, makes it

A. Less liable to segregation

B. More liable to segregation

C. More liable to bleeding

D. More liable for surface scaling in frosty weather

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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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The factor which affects workability, is

A. Water content and its temperature

B. Shape and size of the aggregates

C. Air entraining agents

D. All the above

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Construction joints are generally provided in concrete

A. Roads

B. Retaining walls

C. Lining of canals

D. All the above

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When shear stress exceeds the permissible limit in a slab, then it is reduced by

A. Increasing the depth

B. Providing shear reinforcement

C. Using high strength steel

D. Using thinner bars but more in number

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The process of mixing, transporting, placing and compacting concrete using Ordinary Port land Cement should not take more than

A. 30 minutes

B. 40 minutes

C. 60 minutes

D. 90 minutes

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For the construction of thin R.C.C. structures, the type of cement to be avoided, is

A. Ordinary Portland cement

B. Rapid hardening cement

C. Low heat cement

D. Blast furnace slag cement

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Shrinkage of concrete depends upon
(i) Humidity of atmosphere
(ii) Passage of time
(iii) Stress The correct answer is

A. (i) and (ii)

B. (ii) and (iii)

C. Only (iii)

D. All (i), (ii) and (iii)

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Percentage of pozzolanic material containing clay upto 80% used for the manufacture of pozzolana cement, is

A. 30 %

B. 40 %

C. 50 %

D. 60 %

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Strength of concrete increases with

A. Increase in water-cement ratio

B. Increase in fineness of cement

C. Decrease in curing time

D. Decrease in size of aggregate

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Pick up the incorrect statement from the following. For performing compressive strength test of cement

A. Cement and standard sand mortar are used in the ratio of 1 : 3

B. Water is added at the rate of (P/4) + 3.0 percentage of water where P is the percentage of water for standard consistency

C. A cube mould of 10 cm × 10 cm × 10 cm is used

D. The prepared moulds are kept in a atmosphere of 50% relative humidity

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In counterfort type retaining walls (i) The vertical slab is designed as a continuous slab (ii) The heel slab is designed as a continuous slab (iii) The vertical slab is designed as a cantilever (iv) The heel slab is designed as a cantilever The correct answer is

A. (i) and (ii)

B. (i)and(iv)

C. (ii) and (iii)

D. (iii) and (iv)

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M10 grade of concrete approximates

A. 1 : 3 : 6 mix

B. 1 : 1 : 2 mix

C. 1 : 2 : 4 mix

D. 1 : 1.5 : 3 mix

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The minimum diameter of longitudinal bars in a column is

A. 6 mm

B. 8 mm

C. 12 mm

D. 16 mm

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To prevent segregation, the maximum height for placing concrete, is

A. 100 cm

B. 125 cm

C. 150 cm

D. 200 cm

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Assertion A : The load factor for live load is greater than that for dead load. Reason R : The live loads are more uncertain than dead loads. Select your answer based on the coding system given below:

A. Both A and R is true and R is the correct explanation of A

B. Both A and R is true but R is not the correct explanation of A

C. A is true but R is false

D. A is false but R is true

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The most commonly used admixture which prolongs the setting and hardening time is

A. Gypsum

B. Calcium chloride

C. Sodium silicate

D. All of the above

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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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Modulus of rupture of concrete is a measure of

A. Flexural tensile strength

B. Direct tensile strength

C. Compressive strength

D. Split tensile strength

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The diameter of ties in a column should be

A. More than or equal to one fourth of diameter of main bar

B. More than or equal to 5 mm

C. More than 5 mm but less than one-fourth of diameter of main bar

D. More than 5 mm and also more than one-fourth of diameter of main bar

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

A. Bleeding

B. Creeping

C. Segregation

D. Flooding

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For a cantilever of effective depth of 0.5 m, the maximum span to satisfy vertical deflection limit is

A. 3.5 m

B. 4 m

C. 4.5 m

D. 5 m

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If 20 kg of coarse aggregate is sieved through 80 mm, 40 mm, 20 mm, 10 mm, 4.75 mm, 2.36 mm, 1.18 mm, 600 micron, 300 micron and 150 micron standard sieves and the weights retained are 0 kg, 2 kg, 8 kg, 6 kg, 4 kg respectively, the fineness modulus of the aggregate, is

A. 7.30

B. 7.35

C. 7.40

D. 7.45

Discuss this answer

Accepted Answer

C. Low heat cement

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

Correct Answer :

Show all Concrete Technology and Design MCQ

Related Questions

Pick up the incorrect statement from the following:

The strength of concrete after one year as compared to 28 days strength is about

The shuttering of a hall measuring 4 m × 5 m, can be removed after

If fineness modulus of sand is 2.5, it is graded as

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

For ensuring quality of concrete, use

Higher workability of concrete is required if the structure is

The increased cohesiveness of concrete, makes it

Grading of sand causes great variation in

The factor which affects workability, is

Construction joints are generally provided in concrete

When shear stress exceeds the permissible limit in a slab, then it is reduced by

The process of mixing, transporting, placing and compacting concrete using Ordinary Port land Cement should not take more than

For the construction of thin R.C.C. structures, the type of cement to be avoided, is

Shrinkage of concrete depends upon
(i) Humidity of atmosphere
(ii) Passage of time
(iii) Stress The correct answer is

Percentage of pozzolanic material containing clay upto 80% used for the manufacture of pozzolana cement, is

Strength of concrete increases with

Pick up the incorrect statement from the following. For performing compressive strength test of cement

In counterfort type retaining walls (i) The vertical slab is designed as a continuous slab (ii) The heel slab is designed as a continuous slab (iii) The vertical slab is designed as a cantilever (iv) The heel slab is designed as a cantilever The correct answer is

M10 grade of concrete approximates

The minimum diameter of longitudinal bars in a column is

To prevent segregation, the maximum height for placing concrete, is

Assertion A : The load factor for live load is greater than that for dead load. Reason R : The live loads are more uncertain than dead loads. Select your answer based on the coding system given below:

The most commonly used admixture which prolongs the setting and hardening time is

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

Modulus of rupture of concrete is a measure of

The diameter of ties in a column should be

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

For a cantilever of effective depth of 0.5 m, the maximum span to satisfy vertical deflection limit is

If 20 kg of coarse aggregate is sieved through 80 mm, 40 mm, 20 mm, 10 mm, 4.75 mm, 2.36 mm, 1.18 mm, 600 micron, 300 micron and 150 micron standard sieves and the weights retained are 0 kg, 2 kg, 8 kg, 6 kg, 4 kg respectively, the fineness modulus of the aggregate, is

Also checkout

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

Correct Answer :

Show all Concrete Technology and Design MCQ

Related Questions

Pick up the incorrect statement from the following:

The strength of concrete after one year as compared to 28 days strength is about

The shuttering of a hall measuring 4 m × 5 m, can be removed after

If fineness modulus of sand is 2.5, it is graded as

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

For ensuring quality of concrete, use

Higher workability of concrete is required if the structure is

The increased cohesiveness of concrete, makes it

Grading of sand causes great variation in

The factor which affects workability, is

Construction joints are generally provided in concrete

When shear stress exceeds the permissible limit in a slab, then it is reduced by

The process of mixing, transporting, placing and compacting concrete using Ordinary Port land Cement should not take more than

For the construction of thin R.C.C. structures, the type of cement to be avoided, is

Shrinkage of concrete depends upon (i) Humidity of atmosphere (ii) Passage of time (iii) Stress The correct answer is

Percentage of pozzolanic material containing clay upto 80% used for the manufacture of pozzolana cement, is

Strength of concrete increases with

Pick up the incorrect statement from the following. For performing compressive strength test of cement

In counterfort type retaining walls (i) The vertical slab is designed as a continuous slab (ii) The heel slab is designed as a continuous slab (iii) The vertical slab is designed as a cantilever (iv) The heel slab is designed as a cantilever The correct answer is

M10 grade of concrete approximates

The minimum diameter of longitudinal bars in a column is

To prevent segregation, the maximum height for placing concrete, is

Assertion A : The load factor for live load is greater than that for dead load. Reason R : The live loads are more uncertain than dead loads. Select your answer based on the coding system given below:

The most commonly used admixture which prolongs the setting and hardening time is

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

Modulus of rupture of concrete is a measure of

The diameter of ties in a column should be

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

For a cantilever of effective depth of 0.5 m, the maximum span to satisfy vertical deflection limit is

If 20 kg of coarse aggregate is sieved through 80 mm, 40 mm, 20 mm, 10 mm, 4.75 mm, 2.36 mm, 1.18 mm, 600 micron, 300 micron and 150 micron standard sieves and the weights retained are 0 kg, 2 kg, 8 kg, 6 kg, 4 kg respectively, the fineness modulus of the aggregate, is

Also checkout

Shrinkage of concrete depends upon
(i) Humidity of atmosphere
(ii) Passage of time
(iii) Stress The correct answer is