Design shear strength of concrete is a function of i.Percentage of tension steel ii.Grade of concrete iii.Grade of steel [ A ] i and ii [ B ] ii only [ C ] i and iii [ D ] i, ii and iii

Design shear strength of concrete is a function of
i.Percentage of tension steel
ii.Grade of concrete
iii.Grade of steel
[ A ] i and ii
[ B ] ii only
[ C ] i and iii
[ D ] i, ii and iii
by

1 Answer

Answer :

[ A ] i and ii
by

Related questions

Select the incorrect statement from the following In eccentrically loaded columns, [ A ] The tensile strength of concrete is ignored [ B ] Design stress – strain curve for steel in compression is the same as in tension [ C ] The strain at different points in the section will be same [ D ] Plane section remain plane even after bending

Description : Select the incorrect statement from the following In eccentrically loaded columns, [ A ] The tensile strength of concrete is ignored [ B ] Design stress - strain curve for steel in compression is the ... different points in the section will be same [ D ] Plane section remain plane even after bending

Last Answer : [ C ] The strain at different points in the section will be same

The section of a reinforced beam where most distant concrete fiber in compression and tension in steel attains permissible stresses simultaneously is called (i)Balanced section (ii)Economic section (iii)Critical section [ A ] i [ B ] i and ii [ C ] i and iii [ D ] i, ii and iii

Description : The section of a reinforced beam where most distant concrete fiber in compression and tension in steel attains permissible stresses simultaneously is called (i)Balanced section (ii)Economic section (iii)Critical section [ A ] i [ B ] i and ii [ C ] i and iii [ D ] i, ii and iii

Last Answer : [ D ] i, ii and iii

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

Description : 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

Last Answer : Answer: Option B

Minimum percentage area of tension reinforcement , when the grade of steel is Fe-250 [ A ] 0.2 [ B ] 0.25 [ C ] 0.34 [ D ] 0.44

Description : Minimum percentage area of tension reinforcement , when the grade of steel is Fe-250 [ A ] 0.2 [ B ] 0.25 [ C ] 0.34 [ D ] 0.44

Last Answer : [ C ] 0.34

Minimum percentage of tension steel for a singly reinforced section Fe415 grade is [ A ] 0.2 [ B ] 0.35 [ C ] 2 [ D ] 3.5

Description : Minimum percentage of tension steel for a singly reinforced section Fe415 grade is [ A ] 0.2 [ B ] 0.35 [ C ] 2 [ D ] 3.5

Last Answer : [ A ] 0.2

Minimum percentage of tension steel for a singly reinforced section Fe415 grade is [ A ] 0.2 [ B ] 0.35 [ C ] 2 [ D ] 3.5

Description : Minimum percentage of tension steel for a singly reinforced section Fe415 grade is [ A ] 0.2 [ B ] 0.35 [ C ] 2 [ D ] 3.5

Last Answer : [ A ] 0.2

Regarding the working stress design of under reinforced concrete section, (a) The neutral axis depth will be greater than that of a balanced section. (b) The stress in steel intension will reach its maximum permissible value first. (c) The moment of resistance will be less than that of the balanced section. (d) The concrete on the tension side is also be considered for calculating the moment of resistance of the section.

Description : Regarding the working stress design of under reinforced concrete section, (a) The neutral axis depth will be greater than that of a balanced section. (b) The stress in steel intension will reach ... on the tension side is also be considered for calculating the moment of resistance of the section.

Last Answer : both b&c

Steel beam theory is used for (A) Design of simple steel beams (B) Steel beams encased in concrete (C) Doubly reinforced beams ignoring compressive stress in concrete (D) Beams if shear exceeds 4 times allowable shear stress

Description : Steel beam theory is used for (A) Design of simple steel beams (B) Steel beams encased in concrete (C) Doubly reinforced beams ignoring compressive stress in concrete (D) Beams if shear exceeds 4 times allowable shear stress

Last Answer : Answer: Option C

Suitability of steel for its use in cable is judged by its strength in (A) Tension (B) Compression (C) Torsion (D) Shear

Description : Suitability of steel for its use in cable is judged by its strength in (A) Tension (B) Compression (C) Torsion (D) Shear

Last Answer : (A) Tension

Ultimate strength in tension as compared to that in shear for steel is (A) Half (B) One third (C) One and half times (D) One fourth

Description : Ultimate strength in tension as compared to that in shear for steel is (A) Half (B) One third (C) One and half times (D) One fourth

Last Answer : (C) One and half times

Consider the following statements: Percentage of steel for balanced designed of a singly reinforced rectangular section by limit state method depends on (1) Characteristic strength of concrete (2) Yield strength of concrete (3) Modulus of elasticity of steel (4) Geometry of the section. Which of these statements are correct? (a) 2, 3 and 4 (b) 1, 3 and 4 (c) 1, 2 and 4 (d) 1, 2 and 3

Description : Consider the following statements: Percentage of steel for balanced designed of a singly reinforced rectangular section by limit state method depends on (1) Characteristic strength of concrete (2) Yield strength of concrete (3) Modulus of elasticity ... (b) 1, 3 and 4 (c) 1, 2 and 4 (d) 1, 2 and 3

Last Answer : 1,2,4

The main factors affecting the permeability of concrete are (i)Grade of concrete (ii)Minimum cement content (iii)Maximum water cement ratio [ A ] i [ B ] i and ii [ C ] ii and iii [ D ] i, ii and iii

Description : The main factors affecting the permeability of concrete are (i)Grade of concrete (ii)Minimum cement content (iii)Maximum water cement ratio [ A ] i [ B ] i and ii [ C ] ii and iii [ D ] i, ii and iii

Last Answer : [ C ] ii and iii

The main factors affecting the permeability of concrete are (i)Grade of concrete (ii)Minimum cement content (iii)Maximum water cement ratio [ A ] i [ B ] i and ii [ C ] ii and iii [ D ] i, ii and iii

Description : The main factors affecting the permeability of concrete are (i)Grade of concrete (ii)Minimum cement content (iii)Maximum water cement ratio [ A ] i [ B ] i and ii [ C ] ii and iii [ D ] i, ii and iii

Last Answer : [ C ] ii and iii

The ultimate average anchorage bond stress for plain bars in tension is _______ if the grade of concrete is M20 [ A ] 1.60 N/mm2 [ B ] 1.92 N/mm2 [ C ] 2.24 N/mm2 [ D ] 2.40 N/mm2

Description : The ultimate average anchorage bond stress for plain bars in tension is _______ if the grade of concrete is M20 [ A ] 1.60 N/mm2 [ B ] 1.92 N/mm2 [ C ] 2.24 N/mm2 [ D ] 2.40 N/mm2

Last Answer : [ B ] 1.92 N/mm2

The ultimate average anchorage bond stress for plain bars in tension is _______ if the grade of concrete is M20 [ A ] 1.60 N/mm2 [ B ] 1.92 N/mm2 [ C ] 2.24 N/mm2 [ D ] 2.40 N/mm2

Description : The ultimate average anchorage bond stress for plain bars in tension is _______ if the grade of concrete is M20 [ A ] 1.60 N/mm2 [ B ] 1.92 N/mm2 [ C ] 2.24 N/mm2 [ D ] 2.40 N/mm2

Last Answer : [ B ] 1.92 N/mm2

As per IS: 456, permissible bond stress for plain bars in tension, in working stress method, where M20, is the grade of concrete [ A ] 0.6 N/mm2 [ B ] 0.8 N/mm2 [ C ] 1.0 N/mm2 [ D ] 1.2 N/mm2

Description : As per IS: 456, permissible bond stress for plain bars in tension, in working stress method, where M20, is the grade of concrete [ A ] 0.6 N/mm2 [ B ] 0.8 N/mm2 [ C ] 1.0 N/mm2 [ D ] 1.2 N/mm2

Last Answer : [ B ] 0.8 N/mm2

Maximum allowable shear stress for M25 grade concrete is [ A ] 2.5 N/mm2 [ B ] 2.8 N/mm2 [ C ] 3.1 N/mm2 [ D ] 3.5 N/mm2

Description : Maximum allowable shear stress for M25 grade concrete is [ A ] 2.5 N/mm2 [ B ] 2.8 N/mm2 [ C ] 3.1 N/mm2 [ D ] 3.5 N/mm2

Last Answer : [ C ] 3.1 N/mm2

A reinforced concrete cantilever beam is 3.6 m long, 25 cm wide and has its lever arm 40 cm. It carries a load of 1200 kg at its free end and vertical stirrups can carry 1800 kg. Assuming concrete to carry one-third of the diagonal tension and ignoring the weight of the beam, the number of shear stirrups required, is (A) 30 (B) 35 (C) 40 (D) 45

Description : A reinforced concrete cantilever beam is 3.6 m long, 25 cm wide and has its lever arm 40 cm. It carries a load of 1200 kg at its free end and vertical stirrups can carry 1800 kg. Assuming concrete to carry one- ... beam, the number of shear stirrups required, is (A) 30 (B) 35 (C) 40 (D) 45

Last Answer : Answer: Option C

Shear resistance of concrete in a reinforced concrete beam is dependent on (a) Tension reinforcement in the beam (b) Compression reinforcement in the beam (c ) Shear reinforcement in the beam (d) None of the reinforcements in the beam

Description : Shear resistance of concrete in a reinforced concrete beam is dependent on (a) Tension reinforcement in the beam (b) Compression reinforcement in the beam (c ) Shear reinforcement in the beam (d) None of the reinforcements in the beam

Last Answer : (a) Tension reinforcement in the beam

A concrete block subjected to shear stresses, then the failure may result by [ A ] Diagonal tension [ B ] Longitudinal tension [ C ] Diagonal compression [ D ] None of the above

Description : A concrete block subjected to shear stresses, then the failure may result by [ A ] Diagonal tension [ B ] Longitudinal tension [ C ] Diagonal compression [ D ] None of the above

Last Answer : [ A ] Diagonal tension

Steel rods are used in reinforced concrete to increase its __________ strength. (A) Shear (B) Tensile (C) Compressive (D) None of these

Description : Steel rods are used in reinforced concrete to increase its __________ strength. (A) Shear (B) Tensile (C) Compressive (D) None of these

Last Answer : (B) Tensile

The most critical consideration in the design of a rolled steel column carrying axial loads is the (a) Percentage elongation at yield and the net cross-sectional area (b) Critical bending strength and axial yield strength of material (c) Buckling strength based on the net area of the section and percentage elongation at ultimate load (d) Compressive strength based on slenderness ratio and gross cross-sectional area.

Description : The most critical consideration in the design of a rolled steel column carrying axial loads is the (a) Percentage elongation at yield and the net cross-sectional area (b) Critical bending ... at ultimate load (d) Compressive strength based on slenderness ratio and gross cross-sectional area.

Last Answer : (d) Compressive strength based on slenderness ratio and gross cross-sectional area.

In a singly reinforced concrete beam, as the load increases. (a) Only concrete will resist tension (b) Only steel bars will resist tension. (c) Both concrete and steel will resist tension. (d) Both concrete and steel will resist compression.

Description : In a singly reinforced concrete beam, as the load increases. (a) Only concrete will resist tension (b) Only steel bars will resist tension. (c) Both concrete and steel will resist tension. (d) Both concrete and steel will resist compression.

Last Answer : (b) Only steel bars will resist tension.

In a singly reinforced concrete beam, if the load is vey small. (a) Only concrete will resist tension (b) Only steel bars will resist tension. (c) Both concrete & steel will resist tension. (d) Both concrete & steel will resist compression.

Description : In a singly reinforced concrete beam, if the load is vey small. (a) Only concrete will resist tension (b) Only steel bars will resist tension. (c) Both concrete & steel will resist tension. (d) Both concrete & steel will resist compression.

Last Answer : (c) Both concrete & steel will resist tension.

The strength and quality of concrete depends upon (i)Grading of aggregates (ii)Shape of aggregates (iii)Surface area of aggregates (iv)Surface texture of aggregates [ A ] i, ii and iv [ B ] ii, iii and iv [ C ] i, iii and iv [ D ] i, ii, iii and iv

Description : The strength and quality of concrete depends upon (i)Grading of aggregates (ii)Shape of aggregates (iii)Surface area of aggregates (iv)Surface texture of aggregates [ A ] i, ii and iv [ B ] ii, iii and iv [ C ] i, iii and iv [ D ] i, ii, iii and iv

Last Answer : [ D ] i, ii, iii and iv

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

Description : 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

Last Answer : (C) 200 kg/cm2

Permissible compressive strength of M 300 concrete grade is (A) 100 kg/cm2 (B) 150 kg/cm2 (C) 200 kg/cm2 (D) 300 kg/cm2

Description : Permissible compressive strength of M 300 concrete grade is (A) 100 kg/cm2 (B) 150 kg/cm2 (C) 200 kg/cm2 (D) 300 kg/cm2

Last Answer : (D) 300 kg/cm2

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

Description : 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

Last Answer : Answer: Option C

Permissible compressive strength of M 150 concrete grade is (A) 100 kg/cm2 (B) 150 kg/cm2 (C) 200 kg/cm2 (D) 250 kg/cm2

Description : Permissible compressive strength of M 150 concrete grade is (A) 100 kg/cm2 (B) 150 kg/cm2 (C) 200 kg/cm2 (D) 250 kg/cm2

Last Answer : Answer: Option C

The type of aggregates not suitable for high strength concrete and for pavements subjected to tension, is (A) Rounded aggregate (B) Irregular aggregate (C) Angular aggregate (D) Flaky aggregat

Description : The type of aggregates not suitable for high strength concrete and for pavements subjected to tension, is (A) Rounded aggregate (B) Irregular aggregate (C) Angular aggregate (D) Flaky aggregat

Last Answer : Answer: Option A

Pick up the correct statement from the following: (A) Plain cement concrete is equally strong in compression as well as in tension (B) Slump test is performed to check concrete strength (C) Curing of concrete is done for proper compaction of cement (D) Fineness modulus is the index number expressing the relative sizes of both coarse and fine aggregates

Description : Pick up the correct statement from the following: (A) Plain cement concrete is equally strong in compression as well as in tension (B) Slump test is performed to check concrete strength (C ... D) Fineness modulus is the index number expressing the relative sizes of both coarse and fine aggregates

Last Answer : Option D

Allowable shear strength of concrete, depends upon (A) Shear strength (B) Tensile strength (C) Compressive strength (D) None of these

Description : Allowable shear strength of concrete, depends upon (A) Shear strength (B) Tensile strength (C) Compressive strength (D) None of these

Last Answer : Answer: Option A

In working stress method of design, permissible compressive bending stress for M20 grade concrete is given by [ A ] 5.0 N/mm2 [ B ] 7.0 N/mm2 [ C ] 10.0 N/mm2 [ D ] 20 N/mm2

Description : In working stress method of design, permissible compressive bending stress for M20 grade concrete is given by [ A ] 5.0 N/mm2 [ B ] 7.0 N/mm2 [ C ] 10.0 N/mm2 [ D ] 20 N/mm2

Last Answer : [ B ] 7.0 N/mm2

As per IS;456, in working stress method of design, permissible tensile stress for M20 grade concrete is given by [ A ] 1. 2 N/mm2 [ B ] 1.5 N/mm2 [ C ] 2.0 N/mm2 [ D ] 2.8 N/mm2

Description : As per IS;456, in working stress method of design, permissible tensile stress for M20 grade concrete is given by [ A ] 1. 2 N/mm2 [ B ] 1.5 N/mm2 [ C ] 2.0 N/mm2 [ D ] 2.8 N/mm2

Last Answer : [ D ] 2.8 N/mm2

Examine the following statements: (i) Factor of safety for steel should be based on its yield stress, (ii) Factor of safety for steel should be based on its ultimate stress, (iii) Factor of safety for concrete should be based on its yield stress, (iv) Factor of safety for concrete should be based on its ultimate stress. The correct statements are (A) (i) and (iii) (B) (i) and (iv) (C) (ii) and (iii) (D) (ii) and (iv

Description : Examine the following statements: (i) Factor of safety for steel should be based on its yield stress, (ii) Factor of safety for steel should be based on its ultimate stress, (iii) Factor of safety for concrete should be based on ... (iii) (B) (i) and (iv) (C) (ii) and (iii) (D) (ii) and (iv

Last Answer : Answer: Option B

When the nominal shear stress is less than permissible shear stress in concrete then [ A ] Provide minimum shear reinforcement [ B ] No shear reinforcement is necessary [ C ] Provide design shear reinforcement [ D ] None of the above

Description : When the nominal shear stress is less than permissible shear stress in concrete then [ A ] Provide minimum shear reinforcement [ B ] No shear reinforcement is necessary [ C ] Provide design shear reinforcement [ D ] None of the above

Last Answer : [ A ] Provide minimum shear reinforcement

If permissible working stresses in steel and concrete are respectively 1400 kg/cm2 and 80 kg/cm2 and modular ratio is 18, in a beam reinforced in tension side and of width 30 cm and having effective depth 46 cm, the lever arms of the section, is (A) 37 cm (B) 38 cm (C) 39 cm (D) 40 cm

Description : If permissible working stresses in steel and concrete are respectively 1400 kg/cm2 and 80 kg/cm2 and modular ratio is 18, in a beam reinforced in tension side and of width 30 cm and having effective depth 46 cm, the lever arms of the section, is (A) 37 cm (B) 38 cm (C) 39 cm (D) 40 cm

Last Answer : Answer: Option D

The section of a reinforced beam where most distant concrete fibre in compression and tension in steel attains permissible stresses simultaneously, is called (A) Balanced sectionB) Economic section (C) Critical section (D) All the above

Description : The section of a reinforced beam where most distant concrete fibre in compression and tension in steel attains permissible stresses simultaneously, is called (A) Balanced section B) Economic section (C) Critical section (D) All the above

Last Answer : Answer: Option D

The equilibrium equation for the condition that tension will be equal to the compression is given by [ A ] Compression in concrete = Tension in steel [ B ] Compression in concrete + Compression in steel = Tension in steel [ C ] Compression in concrete = Compression in steel [ D ] None of the above

Description : The equilibrium equation for the condition that tension will be equal to the compression is given by [ A ] Compression in concrete = Tension in steel [ B ] Compression in concrete + Compression in steel = Tension in steel [ C ] Compression in concrete = Compression in steel [ D ] None of the above

Last Answer : [ B ] Compression in concrete + Compression in steel = Tension in steel

Suggest the minimum grade of concrete for following exposure condition. i) RCC work ii) Water retaining structure iii) Sea water construction iv) Pre-stressed concrete

Description : Suggest the minimum grade of concrete for following exposure condition. i) RCC work ii) Water retaining structure iii) Sea water construction iv) Pre-stressed concrete

Last Answer : Minimum grade of concrete for following exposure condition: i) RCC work = M 20 ii) Water retaining structure = M 25 iii) Sea water construction = M 20 for PCC and M 30 for RCC iv) Pre-stressed concrete = M 30

When percentage of mica present in sand is large, it (a) Reduces the strength of mortar, or concrete (b) Increases the strength of mortar or concrete (c) Has no effect on mortar, or concrete strength (d) Enhances the strength of mortar, or concrete, but only marginally

Description : When percentage of mica present in sand is large, it (a) Reduces the strength of mortar, or concrete (b) Increases the strength of mortar or concrete (c) Has no effect on mortar, or concrete strength (d) Enhances the strength of mortar, or concrete, but only marginally

Last Answer : (c) Has no effect on mortar, or concrete strength

When the steel bars are embedded in concrete. The concrete after setting, adheres to the surface of the bars and thus resist any force that tends to pull or push this road. The intensity of this adhesive force is called. (a) Bond stress (b) Shear stress (c) Compressive stress (d) All of these

Description : When the steel bars are embedded in concrete. The concrete after setting, adheres to the surface of the bars and thus resist any force that tends to pull or push this road. The intensity of this adhesive force is called. (a) Bond stress (b) Shear stress (c) Compressive stress (d) All of these

Last Answer : (a) Bond stress

Compared to mild steel, cast iron has (i) High compressive strength (ii) High tensile strength (iii) Low compressive strength (iv) Low tensile strength The correct answer is (A) (i) and (ii) (B) (ii) and (iii) (C) (iii) and (iv) (D) (i) and (iv)

Description : Compared to mild steel, cast iron has (i) High compressive strength (ii) High tensile strength (iii) Low compressive strength (iv) Low tensile strength The correct answer is (A) (i) and (ii) (B) (ii) and (iii) (C) (iii) and (iv) (D) (i) and (iv)

Last Answer : Answer: Option D

In a pre-stressed member it is advisable to use (A) Low strength concrete only (B) High strength concrete only (C) Low strength concrete but high tensile steel (D) High strength concrete and high tensile

Description : In a pre-stressed member it is advisable to use (A) Low strength concrete only (B) High strength concrete only (C) Low strength concrete but high tensile steel (D) High strength concrete and high tensile

Last Answer : Answer: Option D

Pick up the correct statement from the following: (A) Sandy clayloam contains highest percentage of sand (B) Silty clayloam contains highest percentage of silt (C) Stiff boulder clay offers maximum shear strength (D) Soft chalk carries least safe load

Description : Pick up the correct statement from the following: (A) Sandy clayloam contains highest percentage of sand (B) Silty clayloam contains highest percentage of silt (C) Stiff boulder clay offers maximum shear strength (D) Soft chalk carries least safe load

Last Answer : Answer: Option B

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

Description : 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

Last Answer : Answer: Option A

The Minimum percentage of secondary steel in slabs for Fe- 415 grade steel should be __________ of Gross cross-section area [ A ] 0.12% [ B ] 0.15% [ C ] 0.20% [ D ] 0.25%

Description : The Minimum percentage of secondary steel in slabs for Fe- 415 grade steel should be __________ of Gross cross-section area [ A ] 0.12% [ B ] 0.15% [ C ] 0.20% [ D ] 0.25%

Last Answer : [ A ] 0.12%

The minimum percentage of tension steel is mainly based on the [ A ] Total depth [ B ] Effective depth [ C ] Both (a) and (b) [ D ] None of the above.

Description : The minimum percentage of tension steel is mainly based on the [ A ] Total depth [ B ] Effective depth [ C ] Both (a) and (b) [ D ] None of the above.

Last Answer : [ A ] Total depth

The Maximum percentage of steel in tension allowed for beams [ A ] 0.2 [ B ] 0.4 [ C ] 2 [ D ] 4

Description : The Maximum percentage of steel in tension allowed for beams [ A ] 0.2 [ B ] 0.4 [ C ] 2 [ D ] 4

Last Answer : [ A ] 0.2

Design yield stress for steel in tension and compression is [ A ] 0.65 fy [ B ] 0.87 fy [ C ] 0.75 fy [ D ] None of the above

Description : Design yield stress for steel in tension and compression is [ A ] 0.65 fy [ B ] 0.87 fy [ C ] 0.75 fy [ D ] None of the above

Last Answer : [ B ] 0.87 fy