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4

The load on a lintel is assumed as uniformly distributed if the height of the masonry above it, is upto a height of

A. The effective span

B. 1.25 times the effective span

C. 1.50 times the effective span

D. 2.0 times the effective span

Correct Answer :

B. 1.25 times the effective span


Related Questions

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4

Bolts are most suitable to carry

A. Shear

B. Bending

C. Axial tension

D. Shear and bending

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4

According to IS: 800, in the Merchant Rankine formula the value of imperfection index (n) is

A. 1.0

B. 1.4

C. 1.8

D. 2.0

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4

Minimum spacing of vertical stiffeners is limited to

A. d/4

B. d/3

C. d/2

D. 2d/3 Where d is the distance between flange angles

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4

Under a concentrated load, bearing stress fb in a beam is given by (where b is the length of the bearing plate and h is the depth of the root of the fillet).

A. fb = W/(b + h√3)tw

B. fb = W/(b + 2h√3)tw

C. fb = W/(b + 2h√2)tw

D. fb = W/(b + h√2)tw

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4

A butt weld is specified by

A. Effective throat thickness

B. Plate thickness

C. Size of weld

D. Penetration thickness

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4

The effective length of a battened column is increased by

A. 5 %

B. 10 %

C. 15 %

D. 20 %

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4

When the depth of a plate girder is at least n times the depth of vertical leg of the flange angles, the girder is known as deep plate girder, if n is

A. 2

B. 4

C. 6

D. 8

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4

A steel beam supporting loads from the floor slab as well as from wall is termed as

A. Stringer beam

B. Lintel beam

C. Spandrel beam

D. Header beam

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4

The elastic strain for steel is about

A. 1/12 of strain at the initiation of strain hardening and about 1/120 of maximum strain

B. 1/2 of strain at the initiation of strain hardening and about 1/12 of maximum strain

C. 1/12 of strain at the initiation of strain hardening and 1/200 of maximum strain

D. 1/24 of strain at the initiation of strain hardening and about 1/200 of maximum strain

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4

For eccentrically loaded columns, the bending factor is

A. Cross-sectional area of column/Radius of gyration

B. Radius of gyration/Cross-sectional area of column

C. Cross-sectional area of column/Section modulus of the section

D. Section modulus of the section/Cross-sectional area of column

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4

The shape factor of an isosceles triangle for bending about the axis parallel to the base is:

A. 1.5

B. 1.7

C. 2.0

D. 2.34

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4

The spans are considered approximately equal if the longest span does not exceed the shortest span by more than

A. 5 %

B. 10 %

C. 15 %

D. 20 %

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4

Assuming the values of maximum deviation ΔP and ΔE to be 25% of the computed value of P and E respectively, the minimum value of the factor of safety is

A. 1.00

B. 0.67

C. 1.67

D. 2.67

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4

Lug angles

A. Are used to reduce the length of connection

B. Are unequal angles

C. Increases shear lag

D. All the above

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4

To keep the intensity of bearing pressure between the column base and concrete compressive and to vary from zero to 2P/BL, the ratio of the moment M to the axial load P should be

A. L/2

B. L/3

C. L/4

D. L/6

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4

If N is the number of rivets in the joint, the strength of a riveted joint against shearing of rivets, is given by

A. Ps = N × (π/4) d2 × Ps

B. Ps = N × (d × t × ps)

C. Ps = N × (p - d) × t × Ps

D. Ps = N × (P + d) × t × ps

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4

The equivalent axial tensile load Pe, which produces an average axial tensile stress in the section equivalent to the combined stress due to axial tension P and bending M, at the extreme fibre of the section, is given by (where Z is the section modulus of the section).

A. Pe = P + MA/Z

B. Pe = P - MA/Z

C. Pe = P - Z/MA

D. Pe = P + Z/MA

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4

Pick up the correct statement from the following:

A. Vertical stiffeners may be placed in pairs one on each side of the web

B. Single vertical stiffeners may be placed alternately on opposite sides of the web

C. Horizontal stiffeners may be placed alternately on opposite sides of the web

D. All the above

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4

Rolled steel Tee-sections are used

A. As columns

B. With flat strips to connect plates in steel rectangular tanks

C. As built up sections to resist axial tension

D. None of these

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4

As per IS : 875, for the purposes of specifying basic wind velocity, the country has been divided into

A. 4 zones

B. 5 zones

C. 6 zones

D. 7 zones

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4

The distance between e.g. of compression and e.g. of tension flanges of a plate girder, is known as

A. Overall depth

B. Clear depth

C. Effective depth

D. None of these

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4

The deflection of beams may be decreased by

A. Increasing the depth of beam

B. Increasing the span

C. Decreasing the depth of beam

D. Increasing the width of beam

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4

The effective length of a fillet weld should not be less than

A. Two times the weld size

B. Four times the weld size

C. Six times the weld size

D. Weld size

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4

Load factor is

A. Always equal to factor of safety

B. Always less than factor of safety

C. Always greater than factor of safety

D. Sometimes greater than factor of safety

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4

The strength of a riveted lap joint is equal to its

A. Shearing strength

B. Bearing strength

C. Tearing strength

D. Least of (a), (b) and (c)

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4

A circular column section is generally not used in actual practice because

A. It is uneconomical

B. It cannot carry the load safely

C. It is difficult to connect beams to the round sections

D. All of the above

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4

The permissible stress to which a structural member can be subjected to, is known as

A. Bearing stress

B. Working stress

C. Tensile stress

D. Compressive stress

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4

When a large value of radius of gyration is not required

A. Channels are placed back to back

B. Channel flanges are kept inward

C. Channel flanges are kept outward

D. None of these

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4

The minimum pitch of rivet holes of diameter d should not be less than

A. d

B. 1.25 d

C. 1.5 d

D. 2.5 d

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4

The overlap of batten plates with the main members in welded connections should be more than

A. 3 t

B. 4 t

C. 6 t

D. 8 t Where t = thickness of the batten plate