Maximum percentage reinforcement in case of slabs is limited to

Question

Maximum percentage reinforcement in case of slabs is limited to

A. 2

B. 4

C. 6

D. 8

Correct Answer :

B. 4

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For given water content, workability decreases if the concrete aggregates contain an excess of

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1% of voids in a concrete mix would reduce its strength by about

A. 5 %

B. 10 %

C. 15 %

D. 20 %

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The load factors for live load and dead load are taken respectively as

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In a counterfort retaining wall, the main reinforcement in the stem at mid span is provided on

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

A. 5 days

B. 7 days

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Admixtures which cause early setting and hardening of concrete are called

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The property of fresh concrete, in which the water in the mix tends to rise to the surface while placing and compacting, is called

D. Creep

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The dimensions of a 35 litre forma for measuring aggregates by volume, are:

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Permissible compressive strength of M 200 concrete grade is

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The rock which is not calcareous, is:

B. Chalk

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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)

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

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Workability of concrete is directly proportional to

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If the depth of moist sand in a cylinder is 15 cm and the depth of the sand when fully inundated with water is 12 cm, the bulking of the moist sand, is

A. 10 %

B. 12 %

C. 15 %

D. 25 %

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Workability of concrete mix with low water cement ratio is determined by

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According to Water-Cement Ratio Law, the strength of workable plastic concrete

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A continuous beam is deemed to be a deep beam when the ratio of effective span to overall depth (1/D) is less than

A. 1.5

B. 2.0

C. 2.5

D. 3.0

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'Ware house pack' of cement means

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If the engineer-in-charge approves, the 10 cm cubes may be used for the work test of concrete provided maximum nominal size of aggregate, does not exceed

A. 10 cm

B. 15 cm

C. 20 cm

D. 25 cm

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Pick up the correct statement from the following:

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Critical section for shear in case of flat slabs is at a distance of

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Particles of 0.002 mm size are that of

A. Clay

B. Sand

C. Gravel

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The preliminary test is repeated if the difference of compressive strength of three test specimens, exceeds

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For the construction of cement concrete dams, the maximum permissible size of the aggregates, is

A. 40 mm

B. 50 mm

C. 60 mm

D. 70 mm

Discuss this answer

Pick up the incorrect statement from the following:

Discuss this answer

The effect of adding calcium chloride in concrete is (i) To increase shrinkage (ii) To decrease shrinkage (iii) To increase setting time (iv) To decrease setting time The correct answer is

Discuss this answer

Strength of concrete with passage of time

Discuss this answer

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

Discuss this answer

An excess of flaky particles in concrete aggregates

Discuss this answer

Efflorescence in cement is caused due to an excess of

C. Silica

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Answer 1

A. Thin particles

Answer 2

B. Flat particles

Answer 3

C. Elongated particles

Answer 4

D. All the above

Answer 5

A. 1.5 and 2.2

Answer 6

B. 2.2 and 1.5

Answer 7

C. 1.5 and 1.5

Answer 8

D. 2.2 and 2.2

Answer 9

A. Front face only

Answer 10

B. Inner face only

Answer 11

C. Both front face and inner face

Answer 12

D. None of the above

Answer 13

C. 10 days

Answer 14

D. 14 days

Answer 15

A. Workability admixtures

Answer 16

B. Accelerators

Answer 17

C. Retarders

Answer 18

D. Air entraining agents

Answer 19

A. Segregation

Answer 20

B. Bleeding

Answer 21

C. Bulking

Answer 22

A. Length 30 cm, breadth 25 cm, height 30 cm

Answer 23

B. Length 39 cm, breadth 25 cm, height 32 cm

Answer 24

C. Length 27 cm, breadth 27 cm, height 48 cm

Answer 25

D. Length 220 cm, breadth 25 cm, height 40 cm

Answer 26

A. 100 kg/cm2

Answer 27

B. 150 kg/cm2

Answer 28

C. 200 kg/cm2

Answer 29

D. 250 kg/cm2

Answer 30

A. Lime stone

Answer 31

C. Laterite

Answer 32

D. None of these

Answer 33

A. 0.367 x_u

Answer 34

B. 0.416 x_u

Answer 35

C. 0.446 x_u

Answer 36

D. 0.573 x_u

Answer 37

A. 0.75 - 0.80

Answer 38

B. 0.80 - 0.85

Answer 39

C. 0.85 - 0.92

Answer 40

D. Above 0.92

Answer 41

A. Aggregate cement ratio

Answer 42

B. Time of transit

Answer 43

C. Grading of the aggregate

Answer 44

D. All of above

Answer 45

A. Tensile strength test

Answer 46

B. Slump test

Answer 47

C. Compaction factor test

Answer 48

D. Flexural strength test

Answer 49

A. Depends upon the amount of water used in the mix

Answer 50

B. Does not depend upon the quality of cement mixed with aggregates

Answer 51

C. Does not depend upon the quantity of cement mixed with aggregates

Answer 52

D. All the above

Answer 53

A. Full capacity of the ware house

Answer 54

B. Pressure exertion of the bags of upper layers

Answer 55

C. Pressure compaction of the bags on lower layers

Answer 56

D. Packing the ware house

Answer 57

A. The maximum size of a coarse aggregate, is 75 mm and minimum 4.75 mm

Answer 58

B. The maximum size of the fine aggregate, is 4.75 mm and minimum 0.075 mm

Answer 59

C. The material having particles of size varying from 0.06 mm to 0.002 mm, is known as silt

Answer 60

D. All the above

Answer 61

A. Effective depth of slab from periphery of column/drop panel

Answer 62

B. d/2 from periphery of column/capital/ drop panel

Answer 63

C. At the drop panel of slab

Answer 64

D. At the periphery of column

Answer 65

D. None of these

Answer 66

A. 5 kg/cm²

Answer 67

B. 8 kg/cm²

Answer 68

C. 10 kg/cm²

Answer 69

D. 15 kg/cm²

Answer 70

A. Tricalcium silicate (C3S) hydrates rapidly

Answer 71

B. Tricalcium silicate (C3S) generates more heat of hydration

Answer 72

C. Tricalcium silicate (C3S) develops early strength

Answer 73

D. Tricalcium silicate (C3S) has more resistance to sulphate attack

Answer 74

A. (i) and (iii)

Answer 75

B. (i) and (iv)

Answer 76

C. (ii) and (iii)

Answer 77

D. (ii) and (iv)

Answer 78

A. Increases

Answer 79

B. Decreases

Answer 80

C. Fluctuates

Answer 81

D. Remains constant

Answer 82

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

Answer 83

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

Answer 84

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

Answer 85

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

Answer 86

A. Decreases the workability

Answer 87

B. Increases the quantity of water and sand

Answer 88

C. More than 15% are not desirable

Answer 89

D. All the above

Answer 90

A. Alumina

Answer 91

B. Iron oxide

Answer 92

D. Alkalis

Maximum percentage reinforcement in case of slabs is limited to

Correct Answer :

Show all Concrete Technology and Design MCQ

Related Questions

For given water content, workability decreases if the concrete aggregates contain an excess of

1% of voids in a concrete mix would reduce its strength by about

The load factors for live load and dead load are taken respectively as

In a counterfort retaining wall, the main reinforcement in the stem at mid span is provided on

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

Admixtures which cause early setting and hardening of concrete are called

The property of fresh concrete, in which the water in the mix tends to rise to the surface while placing and compacting, is called

The dimensions of a 35 litre forma for measuring aggregates by volume, are:

Permissible compressive strength of M 200 concrete grade is

The rock which is not calcareous, 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)

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

Workability of concrete is directly proportional to

If the depth of moist sand in a cylinder is 15 cm and the depth of the sand when fully inundated with water is 12 cm, the bulking of the moist sand, is

Workability of concrete mix with low water cement ratio is determined by

According to Water-Cement Ratio Law, the strength of workable plastic concrete

A continuous beam is deemed to be a deep beam when the ratio of effective span to overall depth (1/D) is less than

'Ware house pack' of cement means

If the engineer-in-charge approves, the 10 cm cubes may be used for the work test of concrete provided maximum nominal size of aggregate, does not exceed

Pick up the correct statement from the following:

Critical section for shear in case of flat slabs is at a distance of

Particles of 0.002 mm size are that of

The preliminary test is repeated if the difference of compressive strength of three test specimens, exceeds

For the construction of cement concrete dams, the maximum permissible size of the aggregates, is

Pick up the incorrect statement from the following:

The effect of adding calcium chloride in concrete is (i) To increase shrinkage (ii) To decrease shrinkage (iii) To increase setting time (iv) To decrease setting time The correct answer is

Strength of concrete with passage of time

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

An excess of flaky particles in concrete aggregates

Efflorescence in cement is caused due to an excess of

Also checkout

Maximum percentage reinforcement in case of slabs is limited to

Correct Answer :

Show all Concrete Technology and Design MCQ

Related Questions

For given water content, workability decreases if the concrete aggregates contain an excess of

1% of voids in a concrete mix would reduce its strength by about

The load factors for live load and dead load are taken respectively as

In a counterfort retaining wall, the main reinforcement in the stem at mid span is provided on

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

Admixtures which cause early setting and hardening of concrete are called

The property of fresh concrete, in which the water in the mix tends to rise to the surface while placing and compacting, is called

The dimensions of a 35 litre forma for measuring aggregates by volume, are:

Permissible compressive strength of M 200 concrete grade is

The rock which is not calcareous, 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)

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

Workability of concrete is directly proportional to

If the depth of moist sand in a cylinder is 15 cm and the depth of the sand when fully inundated with water is 12 cm, the bulking of the moist sand, is

Workability of concrete mix with low water cement ratio is determined by

According to Water-Cement Ratio Law, the strength of workable plastic concrete

A continuous beam is deemed to be a deep beam when the ratio of effective span to overall depth (1/D) is less than

'Ware house pack' of cement means

If the engineer-in-charge approves, the 10 cm cubes may be used for the work test of concrete provided maximum nominal size of aggregate, does not exceed

Pick up the correct statement from the following:

Critical section for shear in case of flat slabs is at a distance of

Particles of 0.002 mm size are that of

The preliminary test is repeated if the difference of compressive strength of three test specimens, exceeds

For the construction of cement concrete dams, the maximum permissible size of the aggregates, is

Pick up the incorrect statement from the following:

The effect of adding calcium chloride in concrete is (i) To increase shrinkage (ii) To decrease shrinkage (iii) To increase setting time (iv) To decrease setting time The correct answer is

Strength of concrete with passage of time

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

An excess of flaky particles in concrete aggregates

Efflorescence in cement is caused due to an excess of

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)