The relation between modulus of rupture f_cr, splitting strength f_cs and direct tensile strength f_cl is given by

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The relation between modulus of rupture f_cr, splitting strength f_cs and direct tensile strength f_cl is given by

A. f_cr - f_cs = f_cl

B. f_cr > f_cs > f_cl

C. f_cr < f_cs < f_cl

D. f_cs > f_cr > f_cl

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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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The ratio of the diameter of reinforcing bars and the slab thickness is

A. 1/4

B. 1/5

C. 1/6

D. 1/8

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Workability improved by adding

A. Fly ash

B. Hydrated lime

C. Calcium chloride

D. All the above

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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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Pick up the incorrect statement from the following:

A. Admixtures accelerate hydration

B. Admixtures make concrete water proof

C. Admixtures make concrete acid proof

D. Admixtures give high strength

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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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Proper proportioning of concrete, ensures

A. Desired strength and workability

B. Desired durability

C. Water tightness of the structure

D. All the above

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If the average compressive strength is 4000 kg/cm2 and standard deviation is 500, the co-efficient of variation is

A. 10 %

B. 12.5 %

C. 15 %

D. 18.5 %

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In T-shaped R C. retaining walls, the main reinforcement in the stem is provided on

A. The front face in one direction

B. The front face in both directions

C. The inner face in one direction

D. The inner face in both directions

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Pick up the correct statement from the following:

A. Sand stones may be divided into calcareous, siliceous and ferruginous sand stones

B. Concrete using sand stones, cracks due to excessive shrinkage

C. Broken bricks produce a concrete having good fire resisting qualities

D. All the above

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Curing a concrete for long period ensures better

A. Volume stability

B. Strength

C. Water resistance

D. All the above

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As compared to ordinary Portland cement, high alumina cement has

A. Higher initial setting time but lower final setting time

B. Lower initial setting time but higher final setting time

C. Higher initial and final setting times

D. Lower initial and final setting times

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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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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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If the size of panel in a flat slab is 6 m × 6 m, then as per Indian Standard Code, the widths of column strip and middle strip are

A. 3.0 m and 1.5 m

B. 1.5 m and 3.0 m

C. 3.0 m and 3.0 m

D. 1.5 m and 1.5 m

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Sand requiring a high water cement ratio, belongs to

A. Zone I

B. Zone II

C. Zone III

D. Zone IV

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'Ware house pack' of cement means

A. Full capacity of the ware house

B. Pressure exertion of the bags of upper layers

C. Pressure compaction of the bags on lower layers

D. Packing the ware house

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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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Ordinary Portland cement is manufactured from

A. Lime stone and clay

B. Gypsum and lime

C. Pozzolana

D. Lime, pozzolana and clay

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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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For a longitudinal reinforcing bar in a column, the minimum cover shall neither be less than the diameter of bar nor less than

A. 15 mm

B. 25 mm

C. 30 mm

D. 40 mm

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On a grading curve, the gap grading is represented by

A. A horizontal line

B. A vertical line

C. N.W. inclined line

D. N.E. inclined line

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The most useless aggregate is one whose surface texture is

A. Smooth

B. Granular

C. Glassy

D. Honey combed and porous

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Pick up the correct proportions of chemical ingredients of cement

A. Lime : Silica : Alumina : Iron oxide : 63 : 22 : 6 : 3

B. Silica : Lime : Alumina : Iron oxide : 63 : 22 : 6 : 3

C. Alumina : Silica : Lime : Iron oxide : 63 : 22 : 6 : 3

D. Iron oxide : Alumina : Silica : Lime : 63 : 22 : 6 : 3

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High temperature

A. Increases the strength of concrete

B. Decreases the strength of concrete

C. Has no effect on the strength of concrete

D. None of these

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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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The ratio of the length to breadth of a wooden float, is

A. 4.5

B. 5.5

C. 6.5

D. 7.5

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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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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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If aggregates completely pass through a sieve of size 75 mm and are retained on a sieve of size 60 mm, the particular aggregate will be flaky if its minimum dimension is less than

A. 20.5 mm

B. 30.5 mm

C. 40.5 mm

D. 50.5 mm

Discuss this answer

Accepted Answer

B. f_cr > f_cs > f_cl

The relation between modulus of rupture f_cr, splitting strength f_cs and direct tensile strength f_cl is given by

Correct Answer :

Show all Concrete Technology and Design MCQ

Related Questions

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

The ratio of the diameter of reinforcing bars and the slab thickness is

Workability improved by adding

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

Pick up the incorrect statement from the following:

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

Proper proportioning of concrete, ensures

If the average compressive strength is 4000 kg/cm2 and standard deviation is 500, the co-efficient of variation is

In T-shaped R C. retaining walls, the main reinforcement in the stem is provided on

Pick up the correct statement from the following:

Curing a concrete for long period ensures better

As compared to ordinary Portland cement, high alumina cement has

For concreting tunnel linings, transportation of concrete is done by

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

If the size of panel in a flat slab is 6 m × 6 m, then as per Indian Standard Code, the widths of column strip and middle strip are

Sand requiring a high water cement ratio, belongs to

'Ware house pack' of cement means

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

Ordinary Portland cement is manufactured from

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

For a longitudinal reinforcing bar in a column, the minimum cover shall neither be less than the diameter of bar nor less than

On a grading curve, the gap grading is represented by

The most useless aggregate is one whose surface texture is

Pick up the correct proportions of chemical ingredients of cement

High temperature

Le-Chatelier's apparatus is used for testing

The ratio of the length to breadth of a wooden float, is

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

Permissible compressive strength of M 200 concrete grade is

If aggregates completely pass through a sieve of size 75 mm and are retained on a sieve of size 60 mm, the particular aggregate will be flaky if its minimum dimension is less than

Also checkout

The relation between modulus of rupture fcr, splitting strength fcs and direct tensile strength fcl is given by

Correct Answer :

Show all Concrete Technology and Design MCQ

Related Questions

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

The ratio of the diameter of reinforcing bars and the slab thickness is

Workability improved by adding

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

Pick up the incorrect statement from the following:

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

Proper proportioning of concrete, ensures

If the average compressive strength is 4000 kg/cm2 and standard deviation is 500, the co-efficient of variation is

In T-shaped R C. retaining walls, the main reinforcement in the stem is provided on

Pick up the correct statement from the following:

Curing a concrete for long period ensures better

As compared to ordinary Portland cement, high alumina cement has

For concreting tunnel linings, transportation of concrete is done by

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

If the size of panel in a flat slab is 6 m × 6 m, then as per Indian Standard Code, the widths of column strip and middle strip are

Sand requiring a high water cement ratio, belongs to

'Ware house pack' of cement means

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

Ordinary Portland cement is manufactured from

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

For a longitudinal reinforcing bar in a column, the minimum cover shall neither be less than the diameter of bar nor less than

On a grading curve, the gap grading is represented by

The most useless aggregate is one whose surface texture is

Pick up the correct proportions of chemical ingredients of cement

High temperature

Le-Chatelier's apparatus is used for testing

The ratio of the length to breadth of a wooden float, is

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

Permissible compressive strength of M 200 concrete grade is

If aggregates completely pass through a sieve of size 75 mm and are retained on a sieve of size 60 mm, the particular aggregate will be flaky if its minimum dimension is less than

Also checkout

The relation between modulus of rupture f_cr, splitting strength f_cs and direct tensile strength f_cl is given by