For ensuring quality of concrete, use

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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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The factor of safety for

A. Steel and concrete are same

B. Steel is lower than that for concrete

C. Steel is higher than that for concrete

D. None of the above

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In slump test, each layer of concrete is compacted by a steel rod 60 cm long and of 16 mm diameter for

A. 20 times

B. 25 times

C. 30 times

D. 50 times

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Permissible compressive strength of M 200 concrete grade is

A. 100 kg/cm2

B. 150 kg/cm2

C. 200 kg/cm2

D. 250 kg/cm2

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The commercial name of white and coloured cement in India, is

A. Colorcrete

B. Silvicrete

C. Snowcem

D. All the above

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Minimum pitch of transverse reinforcement in a column is

A. The least lateral dimension of the member

B. Sixteen times the smallest diameter of longitudinal reinforcement bar to be tied

C. Forty-eight times the diameter of transverse reinforcement

D. Lesser of the above three values

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For concreting of heavily reinforced sections without vibration, the workability of concrete expressed as compacting factor should be

A. 0.75 - 0.80

B. 0.80 - 0.85

C. 0.85 - 0.92

D. Above 0.92

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The specifications of a cement bag for storage, are

A. Weight 50 kg

B. Height 18 cm

C. Plan area 3000 sq. cm

D. All the above

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The grade of concrete not recommended by I.S. : 456, is

A. M 100

B. M 200

C. M 300

D. M 500

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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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The percentage of the aggregate of F.M. 2.6 to be combined with coarse aggregate of F.M. 6.8 for obtaining the aggregates of F.M. 5.4, is

A. 30 %

B. 40 %

C. 50 %

D. 60 %

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In a ring beam subjected to uniformly distributed load (i) Shear force at mid span is zero (ii) Shear force at mid span is maximum (iii) Torsion at mid span is zero (iv) Torsion at mid span is maximum The correct answer is

A. (i) and (iii)

B. (i) and (iv)

C. (ii) and (iii)

D. (ii) and (iv)

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Minimum grade of concrete to be used in reinforced concrete as per IS: 4561978 is

A. M 15

B. M 20

C. M 10

D. M 25

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For a slab supported on its four edges with corners held down and loaded uniformly, the Marcus correction factor to the moments obtained by Grashoff Rankine's theory

A. Is always less than 1

B. Is always greater than 1

C. Can be more than 1

D. Can be less than 1

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Pick up the incorrect statement from the following:

A. A rich mix of concrete possesses higher strength than that a lean mix of desired workability with excessive quantity of water

B. The strength of concrete decreases as the water cement ratio increases

C. Good compaction by mechanical vibrations, increases the strength of concrete

D. None of these

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Vicat's apparatus is used for

A. Fineness test

B. Consistency test

C. Setting time test

D. Soundness test

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The main reinforcement in the toe of a T-shaped R C. retaining wall is provided on
(i) Top face parallel to the wall
(ii) Top face perpendicular to the wall
(iii) Bottom face parallel to the wall
(iv) Bottom face perpendicular to the wall The correct answer is

A. Only (ii) is correct

B. (i) and (ii) are correct

C. (iii) and (iv) are correct

D. Only (iv) is correct

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Curing

A. Reduces the shrinkage of concrete

B. Preserves the properties of concrete

C. Prevents the loss of water by evaporation

D. All of the above

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Maximum distance between expansion joints in structures as per IS: 456 1978 is

A. 20 m

B. 30 m

C. 45 m

D. 60 m

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Proper batching ensures

A. Economy

B. Durability

C. Workability

D. All the above

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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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If the permissible stress in steel in tension is 140 N/mm², then the depth of neutral axis for a singly reinforced rectangular balanced section will be

A. 0.35 d

B. 0.40 d

C. 0.45 d

D. Dependent on grade of concrete also

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For preparing ordinary concrete, the quantity of water used, is

A. 5% by weight of aggregates plus 20% of weight of cement

B. 10% by weight of aggregates plus 10% of weight of cement

C. 5% by weight of aggregates plus 30% of weight of cement

D. 30% by weight of aggregates plus 10% of weight of cement

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After casting, an ordinary cement concrete on drying

A. Expands

B. Mix

C. Shrinks

D. None of these

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Pre-stress loss due to friction occurs

A. Only in post-tensioned beams

B. Only in pre-tensioned beams

C. In both post-tensioned and pre-tensioned beams

D. None of the above

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The final operation of finishing floors, is known as

A. Screeding

B. Floating

C. Trowelling

D. Finishing

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The property of the ingredients to separate from each other while placing the concrete is called

A. Segregation

B. Compaction

C. Shrinkage

D. Bulking

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Water required per bag of cement, is

A. 7 kg

B. 14 kg

C. 21 kg

D. 35 kg

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For a reinforced concrete section, the shape of shear stress diagram is

A. Wholly parabolic

B. Wholly rectangular

C. Parabolic above neutral axis and rectangular below neutral axis

D. Rectangular above neutral axis and parabolic below neutral axis

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During erection, the pile of length l is supported by a crane at a distance of

A. 0.207 l

B. 0.293 l

C. 0.707 l

D. 0.793 l From the driving end of pile which rests on the ground

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

A. Setting time

B. Tensile strength

C. Consistency

D. All the above

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Accepted Answer

C. Graded aggregates

For ensuring quality of concrete, use

Correct Answer :

Show all Concrete Technology and Design MCQ

Related Questions

The factor of safety for

In slump test, each layer of concrete is compacted by a steel rod 60 cm long and of 16 mm diameter for

Permissible compressive strength of M 200 concrete grade is

The commercial name of white and coloured cement in India, is

Minimum pitch of transverse reinforcement in a column is

For concreting of heavily reinforced sections without vibration, the workability of concrete expressed as compacting factor should be

The specifications of a cement bag for storage, are

The grade of concrete not recommended by I.S. : 456, is

Which of the following has high tensile strength?

The percentage of the aggregate of F.M. 2.6 to be combined with coarse aggregate of F.M. 6.8 for obtaining the aggregates of F.M. 5.4, is

In a ring beam subjected to uniformly distributed load (i) Shear force at mid span is zero (ii) Shear force at mid span is maximum (iii) Torsion at mid span is zero (iv) Torsion at mid span is maximum The correct answer is

Minimum grade of concrete to be used in reinforced concrete as per IS: 4561978 is

For a slab supported on its four edges with corners held down and loaded uniformly, the Marcus correction factor to the moments obtained by Grashoff Rankine's theory

Pick up the incorrect statement from the following:

Vicat's apparatus is used for

The main reinforcement in the toe of a T-shaped R C. retaining wall is provided on
(i) Top face parallel to the wall
(ii) Top face perpendicular to the wall
(iii) Bottom face parallel to the wall
(iv) Bottom face perpendicular to the wall The correct answer is

Curing

Maximum distance between expansion joints in structures as per IS: 456 1978 is

Proper batching ensures

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)

If the permissible stress in steel in tension is 140 N/mm², then the depth of neutral axis for a singly reinforced rectangular balanced section will be

For preparing ordinary concrete, the quantity of water used, is

After casting, an ordinary cement concrete on drying

Pre-stress loss due to friction occurs

The final operation of finishing floors, is known as

The property of the ingredients to separate from each other while placing the concrete is called

Water required per bag of cement, is

For a reinforced concrete section, the shape of shear stress diagram is

During erection, the pile of length l is supported by a crane at a distance of

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

Also checkout

For ensuring quality of concrete, use

Correct Answer :

Show all Concrete Technology and Design MCQ

Related Questions

The factor of safety for

In slump test, each layer of concrete is compacted by a steel rod 60 cm long and of 16 mm diameter for

Permissible compressive strength of M 200 concrete grade is

The commercial name of white and coloured cement in India, is

Minimum pitch of transverse reinforcement in a column is

For concreting of heavily reinforced sections without vibration, the workability of concrete expressed as compacting factor should be

The specifications of a cement bag for storage, are

The grade of concrete not recommended by I.S. : 456, is

Which of the following has high tensile strength?

The percentage of the aggregate of F.M. 2.6 to be combined with coarse aggregate of F.M. 6.8 for obtaining the aggregates of F.M. 5.4, is

In a ring beam subjected to uniformly distributed load (i) Shear force at mid span is zero (ii) Shear force at mid span is maximum (iii) Torsion at mid span is zero (iv) Torsion at mid span is maximum The correct answer is

Minimum grade of concrete to be used in reinforced concrete as per IS: 4561978 is

For a slab supported on its four edges with corners held down and loaded uniformly, the Marcus correction factor to the moments obtained by Grashoff Rankine's theory

Pick up the incorrect statement from the following:

Vicat's apparatus is used for

The main reinforcement in the toe of a T-shaped R C. retaining wall is provided on (i) Top face parallel to the wall (ii) Top face perpendicular to the wall (iii) Bottom face parallel to the wall (iv) Bottom face perpendicular to the wall The correct answer is

Curing

Maximum distance between expansion joints in structures as per IS: 456 1978 is

Proper batching ensures

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)

If the permissible stress in steel in tension is 140 N/mm², then the depth of neutral axis for a singly reinforced rectangular balanced section will be

For preparing ordinary concrete, the quantity of water used, is

After casting, an ordinary cement concrete on drying

Pre-stress loss due to friction occurs

The final operation of finishing floors, is known as

The property of the ingredients to separate from each other while placing the concrete is called

Water required per bag of cement, is

For a reinforced concrete section, the shape of shear stress diagram is

During erection, the pile of length l is supported by a crane at a distance of

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

Also checkout

The main reinforcement in the toe of a T-shaped R C. retaining wall is provided on
(i) Top face parallel to the wall
(ii) Top face perpendicular to the wall
(iii) Bottom face parallel to the wall
(iv) Bottom face perpendicular to the wall The correct answer 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)