Length of an outstanding leg of a vertical stiffener, may be taken equal to

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Length of an outstanding leg of a vertical stiffener, may be taken equal to

A. 1/10th of clear depth of the girder plus 15 mm

B. 1/20th of clear depth of the girder plus 20 mm

C. 1/25th of clear depth of the girder plus 25 mm

D. 1/30th of clear depth of the girder plus 50 mm

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Poisson's ratio for steel within elastic limit, ranges from

A. 0.15 to 0.20

B. 0.25 to 0.24

C. 0.25 to 0.33

D. 0.33 to 0.35

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Normally, the angle of roof truss with asbestos sheets should not be less than

A. 26 ½°

B. 30°

C. 35°

D. 40°

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On steel structures the dead load is the weight of

A. Steel work

B. Material fastened to steel work

C. Material supported permanently

D. All the above

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Tacking rivets in compression plates not exposed to the weather, have a pitch not exceeding 300 mm or

A. 16 times the thickness of outside plate

B. 24 times the thickness of outside plate

C. 32 times the thickness of outside plate

D. 36 times the thickness of outside plate

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To keep the intensity of bearing pressure between the column base and concrete, compressive throughout the length of the column base, the ratio of the moment M to axial load P should be

A. < L/3

B. < L/6

C. > L/3

D. > L/6

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Tongue plates are provided in a steel girder at

A. The upper flange

B. The lower flange

C. The upper end of the web

D. The upper and lower ends of the web

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In a built up section carrying a tensile force, the flanges of two channels are turned outward

A. To simplify the transverse connections

B. To minimise lacing

C. To have greater lateral rigidity

D. All the above

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The net area of round bars to resist the tension, is the area of cross section at

A. Mid-section

B. Root of the thread

C. Difference of (a) and (b)

D. None of these

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Under a concentrated load, bearing stress f_b 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. f_b = W/(b + h√3)t_w

B. f_b = W/(b + 2h√3)t_w

C. f_b = W/(b + 2h√2)t_w

D. f_b = W/(b + h√2)t_w

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Bearing stiffener in a plate girder is used to

A. Transfer the load from the top flange to the bottom one

B. Prevent buckling of web

C. Decrease the effective depth of web

D. Prevent excessive deflection

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When a tension member consists of two channel sections, the allowance for rivet hole is made for two holes from

A. Each web

B. Each flange

C. Each web or one hole from each flange whichever is more

D. Each web or one hole from each flange whichever is less

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Stiffeners are used in a plate girder

A. To reduce the compressive stress

B. To reduce the shear stress

C. To take the bearing stress

D. To avoid bulking of web plate

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The bracing between two columns of a steel tank will be designed to resist

A. Horizontal shear due to wind or earthquake only

B. Horizontal, shear due to wind or earthquake + 2.5% of column loads

C. Column loads + 2.5% of horizontal shear due to wind or earthquake

D. Column loads + full horizontal shear due to wind or earthquake

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The maximum permissible slenderness ratio of compression member carrying dead and superimposed load, is

A. 180

B. 200

C. 250

D. 350

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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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The ratio of shearing stress to shearing strain within elastic limit, is known as

A. Modulus of elasticity

B. Shear modulus of elasticity

C. Bulk modulus of elasticity

D. Tangent modulus of elasticity

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Strengths of a rivet in single shearing, in bearing and in tearing are 3425 kg, 4575 kg and 5025 kg respectively. If the load in the member is 35 tonnes, the number of rivets required, is

A. 10

B. 11

C. 12

D. 13

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The external wind pressure acting on a roof depends on

A. Degree of permeability of roof

B. Slope of roof

C. Both (A) and (B)

D. None of the above

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The minimum thickness of a steel plate, which is directly exposed to weather and is not accessible for cleaning and repainting, should be:

A. 4.5 mm

B. 6 mm

C. 8 mm

D. 10 mm

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The Indian standard code which deals with steel structures, is

A. IS : 875

B. IS : 800

C. IS : 456

D. IS : 1893

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The beam outside a wall upto floor level above it, is known as

A. Rafter

B. Purlin

C. Spandrel beam

D. Lintel

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The slenderness ratio of a column supported throughout its length by a masonry wall is

A. Zero

B. 10

C. 100

D. Infinity

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The allowable stress in axial tension is generally kept less if thickness of the member is more than

A. 10 mm

B. 12 mm

C. 15 mm

D. 20 mm

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The critical stress on a column for elastic buckling given by Euler's formula, is

A. f_c = π²E/(I/r)²

B. f_c = (I/r)²/ πE

C. f_c = (I/r)/ πE

D. f_c = π²E/(I/r)

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The range of economical spacing of trusses varies from

A. L/3 to L/5

B. L/4 to 2L/5

C. L/3 to L/2

D. 2L/5 to 3L/5, where L is span

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Secant formula for direct stress in compression, is applicable only for slenderness ratio upto

A. 120

B. 130

C. 140

D. 150

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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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If the floor is supported at or near the bottom but top chords of a bridge is not braced, then the bridge is called

A. Deck type

B. Through type

C. Half through type

D. Double deck type

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For the steel member exposed to weather and accessible for repainting, the thickness of steel should not be less than (accepting the webs of Indian Standard rolled steel joists and channels).

A. 4 mm

B. 6 mm

C. 8 mm

D. 10 mm

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Horizontal stiffener in a plate girder is provided to safeguard against

A. Shear buckling of web plate

B. Compression buckling of web plate

C. Yielding

D. All of the above

Discuss this answer

Accepted Answer

C. 1/25th of clear depth of the girder plus 25 mm

Length of an outstanding leg of a vertical stiffener, may be taken equal to

Correct Answer :

Show all Design of Steel Structures MCQ

Related Questions

Poisson's ratio for steel within elastic limit, ranges from

Normally, the angle of roof truss with asbestos sheets should not be less than

On steel structures the dead load is the weight of

Tacking rivets in compression plates not exposed to the weather, have a pitch not exceeding 300 mm or

To keep the intensity of bearing pressure between the column base and concrete, compressive throughout the length of the column base, the ratio of the moment M to axial load P should be

Tongue plates are provided in a steel girder at

In a built up section carrying a tensile force, the flanges of two channels are turned outward

The net area of round bars to resist the tension, is the area of cross section at

Under a concentrated load, bearing stress f_b 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).

Bearing stiffener in a plate girder is used to

When a tension member consists of two channel sections, the allowance for rivet hole is made for two holes from

Stiffeners are used in a plate girder

The bracing between two columns of a steel tank will be designed to resist

The maximum permissible slenderness ratio of compression member carrying dead and superimposed load, is

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

The ratio of shearing stress to shearing strain within elastic limit, is known as

Strengths of a rivet in single shearing, in bearing and in tearing are 3425 kg, 4575 kg and 5025 kg respectively. If the load in the member is 35 tonnes, the number of rivets required, is

The external wind pressure acting on a roof depends on

The minimum thickness of a steel plate, which is directly exposed to weather and is not accessible for cleaning and repainting, should be:

The Indian standard code which deals with steel structures, is

The beam outside a wall upto floor level above it, is known as

The slenderness ratio of a column supported throughout its length by a masonry wall is

The allowable stress in axial tension is generally kept less if thickness of the member is more than

The critical stress on a column for elastic buckling given by Euler's formula, is

The range of economical spacing of trusses varies from

Secant formula for direct stress in compression, is applicable only for slenderness ratio upto

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

If the floor is supported at or near the bottom but top chords of a bridge is not braced, then the bridge is called

For the steel member exposed to weather and accessible for repainting, the thickness of steel should not be less than (accepting the webs of Indian Standard rolled steel joists and channels).

Horizontal stiffener in a plate girder is provided to safeguard against

Also checkout

Length of an outstanding leg of a vertical stiffener, may be taken equal to

Correct Answer :

Show all Design of Steel Structures MCQ

Related Questions

Poisson's ratio for steel within elastic limit, ranges from

Normally, the angle of roof truss with asbestos sheets should not be less than

On steel structures the dead load is the weight of

Tacking rivets in compression plates not exposed to the weather, have a pitch not exceeding 300 mm or

To keep the intensity of bearing pressure between the column base and concrete, compressive throughout the length of the column base, the ratio of the moment M to axial load P should be

Tongue plates are provided in a steel girder at

In a built up section carrying a tensile force, the flanges of two channels are turned outward

The net area of round bars to resist the tension, is the area of cross section at

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).

Bearing stiffener in a plate girder is used to

When a tension member consists of two channel sections, the allowance for rivet hole is made for two holes from

Stiffeners are used in a plate girder

The bracing between two columns of a steel tank will be designed to resist

The maximum permissible slenderness ratio of compression member carrying dead and superimposed load, is

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

The ratio of shearing stress to shearing strain within elastic limit, is known as

Strengths of a rivet in single shearing, in bearing and in tearing are 3425 kg, 4575 kg and 5025 kg respectively. If the load in the member is 35 tonnes, the number of rivets required, is

The external wind pressure acting on a roof depends on

The minimum thickness of a steel plate, which is directly exposed to weather and is not accessible for cleaning and repainting, should be:

The Indian standard code which deals with steel structures, is

The beam outside a wall upto floor level above it, is known as

The slenderness ratio of a column supported throughout its length by a masonry wall is

The allowable stress in axial tension is generally kept less if thickness of the member is more than

The critical stress on a column for elastic buckling given by Euler's formula, is

The range of economical spacing of trusses varies from

Secant formula for direct stress in compression, is applicable only for slenderness ratio upto

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

If the floor is supported at or near the bottom but top chords of a bridge is not braced, then the bridge is called

For the steel member exposed to weather and accessible for repainting, the thickness of steel should not be less than (accepting the webs of Indian Standard rolled steel joists and channels).

Horizontal stiffener in a plate girder is provided to safeguard against

Also checkout

Under a concentrated load, bearing stress f_b 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).