## Interview MCQ Set 1

1. A beam has triangular cross-section, having altitude” h”and base “b”. If the section is being subjected to a shear force “F”. Calculate the shear stress at the level of neutral axis in the cross section.

a) 4F/5bh

b) 4F/3bh

c) 8F/3bh

d) 3F/4bh

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2. The maximum shear stress in rectangular section is ____ times the average shear stress.

a) 3/4

b) 3/7

c) 5/3

d) 3/2

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3.The modular ratio for M20 grade concrete is

a) 16

b) 13

c) 11

d) 07

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^{2}& tensile strength = 330 N/mm

^{2}. Modular ratio (m) = 280/21 = 13.33 .

4. In doubly reinforced beam, the maximum shear stress occurs ____

a) along the centroid

b) along the neutral axis

c) on the planes between neutral axis and tensile reinforcement

d) on the planes between neutral axis and compressive reinforcement

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5. A cylindrical section having no joint is known as_____

a) Proof section

b) Seamless section

c) Target section

d) Mown section

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6. The efficiency of cylindrical section, is the ratio of strength of joint to the strength of_____

a) Solid plate

b) Boilerplate

c) Circumferential plate

d) Longitudinal plate

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7. Calculate the modulus of section for a hollow circular column of external diameter 60 mm and 10 mm thickness.

a) 170 m

b) 190 m

C) 250 m

d) 300 m

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^{4}– d

^{4}/ 32 D. = 17016.3 mm = 170 m.

8. Determine the modulus of section for an I section, given the distance from neutral axis is 50 mm and moment of inertia is 2.8×10^{6} mm^{4}.

a) 59m

b) 51m

c) 58m

d) 63m

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^{6}mm

^{4}. & Z = I/y = 2.8×10

^{6}/ 50 = 57.76 ×10

^{3}mm = 57.7 ~ 58 m.

9. A circular Beam of 0.25 m diameter is subjected to you shear force of 10 kN. Calculate the value of maximum shear stress.[ Take area = 176 m^{2} ].

a) 0.75 N/mm^{2}

b) 0.58 N/mm^{2}

c) 0.73 N/mm^{2}

d) 0.65 N/mm^{2}

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^{2}Shear Force (F) = 10 kN ~ 10000 N. For circular cross section the maximum shear stress is equal to 4/3 times of average shear stress Maximum shear force = 4/3 × F/A = 4/3 × 10000/176 = 0.75 N/mm

^{2}.

10. The maximum shear stress distribution is _____ percentage more than average shear stress in circular section.

a) 54 %

b) 60 %

c) 33 %

d) 50 %

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## Interview MCQ Set 2

1. Which cement is used in sewage and water treatment plants?

a) Rapid Hardening Cement

b) Low Heat Cement

c) Sulphate Resisting Cement

d) Quick Setting Cement

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2. Which cement is used for mainly building construction where strength required with age?

a) Rapid Hardening Cement

b) Low Heat Cement

c) Portland Pozzolana Cement

d) Quick Setting Cement

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3. Which cement is used for artificial marble?

a) Rapid Hardening Cement

b) Sulphate Resisting Cement

c) Coloured Cement

d) Quick Setting Cement

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4. Which cement is used to create bond with old concrete surface?

a) Rapid Hardening Cement

b) Expansive Cement

c) Sulphate Resisting Cement

d) Low Heat Cement

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5. Which cement is used to store for longer duration in wet climatic conditions?

a) Expansive Cement

b) Ordinary Portland cement

c) Hydrophobic Cement

d) Quick Setting Cement

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6. Which cement used in frost resistance concrete?

a) OPC

b) PPC

c) AEC

d) QSC

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7. Which cement is used for the construction of water-retaining structure like tanks, reservoirs, retaining walls, swimming pools, dams, bridges, piers etc?

a) Waterproof Portland cement

b) Colored Cement

c) High Alumina Cement

d) Low Heat Cement

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8. ____ cement is used for formwork that can be removed earlier and reused in other areas which save the cost of formwork.

a) Rapid Hardening Cement

b) Colored Cement

c) High Alumina Cement

d) Low Heat Cement

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9. Which cement is mainly used for interior and exterior decorative works?

a) Rapid Hardening Cement

b) Colored Cement

c) High Alumina Cement

d) Low Heat Cement

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10. Which cement is used for works economic where considerations is predominant?

Reservoirs, retaining walls, swimming pools, dams, bridges, piers etc.?

a) Waterproof Portland Cement

b) Colored Cement

c) High Alumina Cement

d) Blast Furnace Slag Cement

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## Interview MCQ Set 3

1. Main component in this concrete is _______

a) Cement

b) Sulphur

c) Sulphur and aggregates

d) Aggregates

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2. What is the compressive strength of this concrete?

a) 60-115 MPa

b) 10-16 MPa

c) 35-50 GPa

d) 500 GPa

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3. What is the bending strength of this concrete?

a) 60-115 MPa

b) 10-16 MPa

c) 35-50 GPa

d) 500 GPa

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4. What is the value of modulus of elasticity?

a) 60-115 MPa

b) 10-16 MPa

c) 35-50 GPa

d) 500 GPa

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5. What is the range of contraction for this concrete in mm/m?

a) .5-1

b) .6

c) <1

d) >1

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6. What is the linear coefficient of thermal expansibility for this concrete in 10-6/K?

a) 8-12

b) 8-10

c) 10-15

d) 12-15

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7. What is the density for this concrete in kg/m^{3}?

a) 2400

b) 2200

c) 2000

d) 1800

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^{3}is the density for sulphur infiltered concrete 2200 kg/m

^{3}is the density of Ordinary Portland cement.

8. _______ % is the range for porosity of this concrete.

a) 1-4

b) 5

c) 0-1

d) 9-15

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9. _______ % is the range for absorptivity of this concrete.

a) 1-4

b) 5

c) 0-1

d) 9-15

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10. Diameter of Round Steel Fiber lies in the range of _______ mm.

a) .3-.5

b) .25-.75

c) .155-.41

d) .25-.90

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11. What is the thickness of the steel fiber after silting in mm?

a) .3-.5

b) .25

c) .155-.41

d) .25-.90

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12. What is the thickness of the flat sheet fibers after silting in mm?

a) .3-.5

b) .25

c) .15-.41

d) .25-.90

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13. What is the width of the flat sheet fibers after silting in mm?

a) .3-.5

b) .25

c) .15-.41

d) .25-.90

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14. Polypropylene fibers is hydrophobic in nature. True or false?

a) True

b) False

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15. Glass fiber is made up from _______ individual filaments.

a) 100-200

b) 200-400

c) 500

d) >500

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## Interview MCQ Set 4

1. Eccentrically loaded structures have to be designed for_______

a) Uniaxial force

b) Biaxial force

c) Combined axial force

d) Combined biaxial force

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2. ______ transfer the loads from beams or slabs to footings or foundations.

a) Pedestal

b) Post

c) Rib

d) Column

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3. In long columns, the lateral deflection causes at the ______

a) Supports

b) Throughout

c) Midspan

d) Along outer periphery

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4. STATEMENT: “Short columns causes deflection in the structure”

Is the above mentioned statement

a) True

b) False

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5. The approximate percentage of reinforcement provided in a beam varies from _______

a) 1-2%

b) 1-4%

c) 2-3%

d) 3-4%

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Type of Structure | Approx. % of Steel |

Beam | 1-2% |

Slabs | 0.7-1% |

Columns | 1-4% |

6. To avoid the failure of column by buckling, _____ limits are to be recommended.

a) Slenderness

b) Effective length

c) Kernel

d) Radius of gyration

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7. According to IS 456- 2000, the minimum eccentricity subjected to a column is____

a) 30mm

b) 20mm

c) 45mm

d) 50mm

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8. Radius of gyration is denoted by___

a) k

b) n

c) e

d) y

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9. Find the moment of inertia of a rectangular section of 40 mm width and 80 mm depth about the base.

a) 632×10^{4}mm^{4}

b) 682×10^{4}mm^{4}

c) 734×10^{4}mm^{4}

d) 568×10^{4}mm^{4}

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^{3}/ 3. I = bd/3 = 40×(80)

^{3}/ 3 = 682.66×10

^{4}mm

^{4}.

10. Mild steel is an example of _____ mechanical property of material.

a) Malleability

b) Creep

c) Ductility

d) Elasticity

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11. Which of the following are the relative properties of the material?

a) Creep

b) Fatigue

c) Hardness

d) Stiffness

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12. Rotating key of a lock is an example of ____

a) Varignon’s Theory

b) Walton’s Theory

c) Formation of couple

d) Parallel axis theorem

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13. The relative change in position is called_____

a) Matter

b) Body

c) Inertia

d) Motion

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14. Which of the following is not base unit?

a) Area

b) Length

c) Time

d) Temperature

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15. According to IS 456-2000, the minimum number of longitudinal bars to be provided in rectangular columns is ________

a) 5

b) 4

c) 6

d) 8

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## Interview MCQ Set 5

1. Which one of the following is the basic assumption involved in designing of prestressed concrete members:

a) Plane member remains plane before and after bending

b) Variation of stresses in tensile reinforcement

c) Development of principle stresses

d) Hooke’s law is not valid for prestressing

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2. The compression in concrete and tension in steel are developed by:

a) Joint cements

b) Expansion cements

c) Water cement ratio

d) Hardened cements

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3. The distortion principle of statically indeterminate structures is subjected by:

a) Rotation

b) Distance

c) Placement

d) Absorption

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4. The prestressing used for arches and pavements involves the application of:

a) Direct forces

b) Compressive forces

c) Tensile forces

d) Axial forces

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5. The classification of prestressed concrete is based on the method of:

a) Designing

b) Bending moments

c) Loading

d) Stresses acting

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6. The concrete members which are prestressed by providing the tensioned tendons are termed as:

a) Externally prestressed members

b) Internally prestressed members

c) Linear prestressed members

d) Circular prestressed members

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7. The linear prestressing is mostly applicable for:

a) Bent members

b) Straight members

c) Cracked members

d) Overloaded members

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8. In pre-tensioning system, after curing and hardening of concrete the reinforcement is set:

a) Free

b) Fixed

c) Locked

d) Jacked

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9. The method of prestressing the concrete after it attains its strength is known as:

a) Pre tensioning

b) Post tensioning

c) Chemical prestressing

d) Axial prestressing

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10. In which method the prestress is developed due to bond between the concrete and steel?

a) Pre tensioning

b) Post tensioning

c) Thermo electric prestressing

d) Prefix beam prestressing