The main assumption of the method of simple design of steel frame work, is:

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The main assumption of the method of simple design of steel frame work, is:

A. Beams are simply supported

B. All connections of beams, girders and trusses are virtually flexible

C. Members in compression are subjected to forces applied at appropriate eccentricities

D. All the above

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If a pair of angles placed back to back in tension are connected by one leg of each angle, the net effective area of the section, 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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If the thickness of plate to be connected by a rivet is 16 mm, then suitable size of rivet as per Unwin's formula will be

A. 16 mm

B. 20 mm

C. 24 mm

D. 27 mm

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The web crippling due to excessive bearing stress can be avoided by

A. Increasing the web thickness

B. Providing suitable stiffener

C. Increasing the length of the bearing plates

D. None of the above

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The greatest gauge of long rivets should not exceed (where d is the diameter of the holes).

A. 2 d

B. 4 d

C. 6 d

D. 8 d

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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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Diameter of a bolt hole is usually taken as

A. Gross diameter of bolt

B. Nominal diameter + 1.5 mm

C. Nominal diameter + 2.0 mm

D. Nominal diameter of bolt

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The main type of butt joints, is a double cover

A. Shear riveted joint

B. Chain riveted joint

C. Zig-zag riveted joint

D. All the above

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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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For a cantilever beam of length L continuous at the support and unrestrained against torsion at the support and free at the end, the effective length l is equal to

A. l = L

B. l = 2L

C. l = 0.5L

D. l = 3L

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The central deflection of a simply supported steel beam of length L with a concentrated load W at the centre, is

A. WL³/3EI

B. WL⁴/3EI

C. WL³/48EI

D. 5WL⁴/384EI

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The maximum slenderness ratio of a steel column, the design of which is governed by wind or seismic forces is

A. 150

B. 180

C. 250

D. 350

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Battening is preferable when the (i) Column carries axial load only (ii) Space between the two main components is not very large (iii) Column is eccentrically loaded The correct answer is

A. Only (i)

B. Only (iii)

C. (i) and (ii)

D. (ii) and (iii)

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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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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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The critical load for a column of length I hinged at both ends and having flexural rigidity El, is given by

A. P_c = π²EI/l²

B. P_c = πEI/l²

C. P_c = πEI/I²

D. None of these

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In case of plastic design, the calculated maximum shear capacity of a beam as per IS: 800 shall be

A. 0.55 Aw.fy

B. 0.65 Aw.fy

C. 0.75 Aw.fy

D. 0.85 Aw.fy Where, Aw = effective cross-sectional area resisting shear fy = yield stress of the steel

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The side thrust T on the tie rods provided at the end beam of jack arch of rise R, is calculated from the formula

A. T = WL/4R

B. T = WR/8L

C. T = WL/8R

D. T = WL/2R

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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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The gross section of the web of a beam is defined as

A. Depth of the beam multiplied by its web thickness

B. Width of the flange multiplied by its web thickness

C. Sum of the flange width and depth of the beam multiplied by the web thickness

D. None of these

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Which of the following conditions is to be satisfied both in elastic and plastic analysis?

A. Equilibrium condition

B. Yield condition

C. Plastic moment condition

D. Mechanism condition

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Area of openings for buildings of large permeability is more than

A. 10% of wall area

B. 20% of wall area

C. 30% of wall area

D. 50% of wall area

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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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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

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The actual thickness of butt weld as compared to the thickness of plate is usually

A. More

B. Less

C. Equal

D. None of the above

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Gantry girders are designed to resist

A. Lateral loads

B. Longitudinal loads and vertical loads

C. Lateral, longitudinal and vertical loads

D. Lateral and longitudinal loads

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In a grillage footing, the maximum shear force occurs at the

A. Edge of grillage beam

B. Centre of base plate

C. Centre of grillage beam

D. Centre of base plate

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In plastic analysis, the shape factor for circular sections, is

A. 1.5

B. 1.6

C. 1.697

D. None of these

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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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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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If P is the wind pressure in kg/cm², v is the velocity in km/hour and K is a constant of proportionality, then

A. P = K/v²

B. v = K/P²

C. P = Kv²

D. P = Kv

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Accepted Answer

D. All the above

The main assumption of the method of simple design of steel frame work, is:

Correct Answer :

Show all Design of Steel Structures MCQ

Related Questions

If a pair of angles placed back to back in tension are connected by one leg of each angle, the net effective area of the section, is

If the thickness of plate to be connected by a rivet is 16 mm, then suitable size of rivet as per Unwin's formula will be

The web crippling due to excessive bearing stress can be avoided by

The greatest gauge of long rivets should not exceed (where d is the diameter of the holes).

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

Diameter of a bolt hole is usually taken as

The main type of butt joints, is a double cover

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

For a cantilever beam of length L continuous at the support and unrestrained against torsion at the support and free at the end, the effective length l is equal to

The central deflection of a simply supported steel beam of length L with a concentrated load W at the centre, is

The maximum slenderness ratio of a steel column, the design of which is governed by wind or seismic forces is

Battening is preferable when the (i) Column carries axial load only (ii) Space between the two main components is not very large (iii) Column is eccentrically loaded The correct answer is

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

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).

The critical load for a column of length I hinged at both ends and having flexural rigidity El, is given by

In case of plastic design, the calculated maximum shear capacity of a beam as per IS: 800 shall be

The side thrust T on the tie rods provided at the end beam of jack arch of rise R, is calculated from the formula

Load factor is

The gross section of the web of a beam is defined as

Which of the following conditions is to be satisfied both in elastic and plastic analysis?

Area of openings for buildings of large permeability is more than

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

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

The actual thickness of butt weld as compared to the thickness of plate is usually

Gantry girders are designed to resist

In a grillage footing, the maximum shear force occurs at the

In plastic analysis, the shape factor for circular sections, is

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

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

If P is the wind pressure in kg/cm², v is the velocity in km/hour and K is a constant of proportionality, then

Also checkout

The main assumption of the method of simple design of steel frame work, is:

Correct Answer :

Show all Design of Steel Structures MCQ

Related Questions

If a pair of angles placed back to back in tension are connected by one leg of each angle, the net effective area of the section, is

If the thickness of plate to be connected by a rivet is 16 mm, then suitable size of rivet as per Unwin's formula will be

The web crippling due to excessive bearing stress can be avoided by

The greatest gauge of long rivets should not exceed (where d is the diameter of the holes).

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

Diameter of a bolt hole is usually taken as

The main type of butt joints, is a double cover

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

For a cantilever beam of length L continuous at the support and unrestrained against torsion at the support and free at the end, the effective length l is equal to

The central deflection of a simply supported steel beam of length L with a concentrated load W at the centre, is

The maximum slenderness ratio of a steel column, the design of which is governed by wind or seismic forces is

Battening is preferable when the (i) Column carries axial load only (ii) Space between the two main components is not very large (iii) Column is eccentrically loaded The correct answer is

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

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).

The critical load for a column of length I hinged at both ends and having flexural rigidity El, is given by

In case of plastic design, the calculated maximum shear capacity of a beam as per IS: 800 shall be

The side thrust T on the tie rods provided at the end beam of jack arch of rise R, is calculated from the formula

Load factor is

The gross section of the web of a beam is defined as

Which of the following conditions is to be satisfied both in elastic and plastic analysis?

Area of openings for buildings of large permeability is more than

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

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

The actual thickness of butt weld as compared to the thickness of plate is usually

Gantry girders are designed to resist

In a grillage footing, the maximum shear force occurs at the

In plastic analysis, the shape factor for circular sections, is

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

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

If P is the wind pressure in kg/cm2, v is the velocity in km/hour and K is a constant of proportionality, then

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).

If P is the wind pressure in kg/cm², v is the velocity in km/hour and K is a constant of proportionality, then