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

Question

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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Compression force in two end posts, the pin of a rocker bearing in a bridge is designed for

A. Bearing and shear

B. Bending and shear

C. Bearing and bending

D. Bearing, shear and bending

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The size of a butt weld is specified by the effective throat thickness which in the case of incomplete penetration, is taken as

A. ½ of the thickness of thicker part

B. ¾ of the thickness of thicker part

C. ¾ of the thickness of thinner part

D. 7/8 of the thickness of thinner part

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If W and L are the total superimposed load and the span of a plate girder in metres, the approximate self weight (W) of the girder, is taken as

A. M = WL/100

B. M = WL/200

C. M = WL/300

D. M = WL/400

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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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Generally the purlins are placed at the panel points so as to avoid

A. Axial force in rafter

B. Shear force in rafter

C. Deflection of rafter

D. Bending moment in rafter

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Which of the following types of riveted joint is free from bending stresses?

A. Lap joint

B. Butt joint with single cover plate

C. Butt joint with double cover plates

D. None of the above

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The maximum slenderness ratio of a compression member carrying both dead and superimposed load is

A. 180

B. 200

C. 250

D. 350

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The main advantage of a steel member, is:

A. Its high strength

B. Its gas and water tightness

C. Its long service life

D. All the above

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The effective length of a battened column is increased by

A. 5 %

B. 10 %

C. 15 %

D. 20 %

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Cold driven rivets range from

A. 6 to 10 mm in diameter

B. 10 to 16 mm in diameter

C. 12 to 22 mm in diameter

D. 22 to 32 mm in diameter

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The most commonly used sections in lateral system to carry shear force in built up columns, are

A. Rolled steel flats

B. Rolled angles

C. Rolled channels

D. All the above

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According to IS : 800 - 71, the minimum thickness of a vertically stiffened web plate, shall not be less than

A. d/85

B. d/200

C. d/225

D. d/250

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A beam is defined as a structural member subjected to

A. Axial loading

B. Transverse loading

C. Axial and transverse loading

D. None of these

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A riveted joint may experience

A. Shear failure

B. Shear failure of plates

C. Bearing failure

D. All the above

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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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If the thickness of thinnest outside plate is 10 mm, then the maximum pitch of rivets in tension will be taken as

A. 120 mm

B. 160 mm

C. 200 mm

D. 300 mm

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A single angle in tension is connected by one leg only. If the areas of connecting and outstanding legs are respectively a and b, net effective area of the angle, is

A. a - [b/{1 + 0.35 (b/a)}]

B. a + [b/{1 + 0.35 (b/a)}]

C. a - [b/{1 + 0.2 (b/a)}]

D. a + [b/{1 + 0.2 (b/a)}]

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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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Minimum pitch of the rivets shall not be less than

A. 1.5 d

B. 2.0 d

C. 2.5 d

D. 3.0 d Where d is gross diameter of rivet

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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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Effective length of a column effectively held in position and restrained in direction at both ends, is

A. L

B. 0.67 L

C. 0.85 L

D. 1.5 L

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Rivets connecting flange angles to cover plates in a plate girder are subjected to

A. Horizontal shear only

B. Vertical load only

C. Both (A) and (B)

D. None of the above

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If the pitch is 6 cm and rivet value is 4 tonnes, the number of rivets required for a riveted connection carrying an eccentric load of 15 tonnes at a distance of 30 cm from the centre line, is

A. 6

B. 8

C. 10

D. 15

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In case of cantilever fillers, the ratio of the span L to depth d, should not exceed

A. 4

B. 8

C. 12

D. 16

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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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Rolled steel angle sections are classified as

A. Equal angles

B. Unequal angles

C. Bulb angles

D. All the above

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For steel members exposed to weather and not accessible for repainting, the thickness of steel should not be less than

A. 4.5 mm

B. 6 mm

C. 8 mm

D. 10 mm

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The permissible bearing stress in steel, is

A. 1500 kg/cm2

B. 1890 kg/cm2

C. 2025 kg/cm2

D. 2340 kg/cm2

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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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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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Accepted Answer

C. To have greater lateral rigidity

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

Correct Answer :

Show all Design of Steel Structures MCQ

Related Questions

Compression force in two end posts, the pin of a rocker bearing in a bridge is designed for

The size of a butt weld is specified by the effective throat thickness which in the case of incomplete penetration, is taken as

If W and L are the total superimposed load and the span of a plate girder in metres, the approximate self weight (W) of the girder, is taken as

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).

Generally the purlins are placed at the panel points so as to avoid

Which of the following types of riveted joint is free from bending stresses?

The maximum slenderness ratio of a compression member carrying both dead and superimposed load is

The main advantage of a steel member, is:

The effective length of a battened column is increased by

Cold driven rivets range from

The most commonly used sections in lateral system to carry shear force in built up columns, are

According to IS : 800 - 71, the minimum thickness of a vertically stiffened web plate, shall not be less than

A beam is defined as a structural member subjected to

A riveted joint may experience

Bearing stiffener in a plate girder is used to

If the thickness of thinnest outside plate is 10 mm, then the maximum pitch of rivets in tension will be taken as

A single angle in tension is connected by one leg only. If the areas of connecting and outstanding legs are respectively a and b, net effective area of the angle, is

The deflection of beams may be decreased by

Minimum pitch of the rivets shall not be less than

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

Effective length of a column effectively held in position and restrained in direction at both ends, is

Rivets connecting flange angles to cover plates in a plate girder are subjected to

If the pitch is 6 cm and rivet value is 4 tonnes, the number of rivets required for a riveted connection carrying an eccentric load of 15 tonnes at a distance of 30 cm from the centre line, is

In case of cantilever fillers, the ratio of the span L to depth d, should not exceed

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

Rolled steel angle sections are classified as

For steel members exposed to weather and not accessible for repainting, the thickness of steel should not be less than

The permissible bearing stress in steel, is

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

Load factor is

Also checkout

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

Correct Answer :

Show all Design of Steel Structures MCQ

Related Questions

Compression force in two end posts, the pin of a rocker bearing in a bridge is designed for

The size of a butt weld is specified by the effective throat thickness which in the case of incomplete penetration, is taken as

If W and L are the total superimposed load and the span of a plate girder in metres, the approximate self weight (W) of the girder, is taken as

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).

Generally the purlins are placed at the panel points so as to avoid

Which of the following types of riveted joint is free from bending stresses?

The maximum slenderness ratio of a compression member carrying both dead and superimposed load is

The main advantage of a steel member, is:

The effective length of a battened column is increased by

Cold driven rivets range from

The most commonly used sections in lateral system to carry shear force in built up columns, are

According to IS : 800 - 71, the minimum thickness of a vertically stiffened web plate, shall not be less than

A beam is defined as a structural member subjected to

A riveted joint may experience

Bearing stiffener in a plate girder is used to

If the thickness of thinnest outside plate is 10 mm, then the maximum pitch of rivets in tension will be taken as

A single angle in tension is connected by one leg only. If the areas of connecting and outstanding legs are respectively a and b, net effective area of the angle, is

The deflection of beams may be decreased by

Minimum pitch of the rivets shall not be less than

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

Effective length of a column effectively held in position and restrained in direction at both ends, is

Rivets connecting flange angles to cover plates in a plate girder are subjected to

If the pitch is 6 cm and rivet value is 4 tonnes, the number of rivets required for a riveted connection carrying an eccentric load of 15 tonnes at a distance of 30 cm from the centre line, is

In case of cantilever fillers, the ratio of the span L to depth d, should not exceed

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

Rolled steel angle sections are classified as

For steel members exposed to weather and not accessible for repainting, the thickness of steel should not be less than

The permissible bearing stress in steel, is

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

Load factor is

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).