The allowable stress in axial tension for rolled I-sections and channels, is taken as

Question

The allowable stress in axial tension for rolled I-sections and channels, is taken as

A. 1420 kg/cm²

B. 1500 kg/cm²

C. 2125 kg/cm²

D. 1810 kg/cm²

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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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A fillet weld whose axis is parallel to the direction of the applied load, is known as

A. Diagonal filler weld

B. End fillet weld

C. Side fillet weld

D. All the above

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Angle of inclination of the lacing bar with the longitudinal axis of the column should preferably be between

A. 10° to 30°

B. 30° to 40°

C. 40° to 70°

D. 90°

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The maximum axial load which is just sufficient to keep a column in a small deflected shape, is called

A. Crippling load

B. Buckling load

C. Critical load

D. All the above

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By providing sufficient edge distance, which of the following failures of riveted joint can be avoided?

A. Tension failure of the plate

B. Shear failure of the rivet

C. Shear failure of the plate

D. Crushing failure of the rivet

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Hudson's formula gives the dead weight of a truss bridge as a function of

A. Bottom chord area

B. Top chord area

C. Effective span of bridge

D. Heaviest axle load of engine

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The use of tie plates in laced columns is

A. Prohibited

B. Not prohibited

C. Permitted at start and end of lacing system only

D. Permitted between two parts of the lacing

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Effective sectional area of a compression member is:

A. Gross sectional area - area of rivet hole

B. Gross sectional area + area of rivet hole

C. Gross sectional area × area of rivet hole

D. Gross sectional area + area of rivet hole

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Diameter of a rivet hole is made larger than the diameter of the rivet by

A. 1.0 mm for rivet diameter upto 12 mm

B. 1.5 mm for rivet diameter exceeding 25 mm

C. 2.0 mm for rivet diameter over 25 mm

D. None of these

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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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For double angles carrying tension, placed back to back and connected to either side of the gusset plate, the sectional area of the section, is equal to cross sectional area of

A. The section

B. The section plus area of rivet holes

C. The section minus area of rivet holes

D. The section multiplied by the area of the rivet hole

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Rolled steel beams are:

A. Mainly used to resist bending stress

B. Used as independent sections to resist compressive stress

C. Used as independent sections to resist tensile stress

D. All the above

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For the economical design of a combined footing to support two equal column loads, the projections of beams in lower tier are kept such that bending moment under column is equal to

A. Bending moment at the centre of the beam

B. Half the bending moment at the centre of the beam

C. Twice the bending moment at the centre of the beam

D. None of these

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The effect of racking forces is considered in the design of (i) Lateral braces (ii) Chord members The correct answer is

A. Only (i)

B. Only (ii)

C. Both (i) and (ii)

D. None of the above

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For rivets in tension with countersunk heads, the tensile value shall be

A. Reduced by 25 %

B. Reduced by 33.3%

C. Increased by 25 %

D. Increased by 33.3 %

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

A. Modulus of elasticity

B. Shear modulus of elasticity

C. Bulk modulus of elasticity

D. All the above

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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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Select the correct statement

A. Material cost of a rivet is higher than that of a bolt

B. Tensile strength of a bolt is lesser than that of a rivet

C. Bolts are used as a temporary fastening whereas rivets are used as permanent fastenings

D. Riveting is less noisy than bolting

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Shape factor is a property which depends

A. Only on the ultimate stress of the material

B. Only on the yield stress of the material

C. Only on the geometry of the section

D. Both on the yield stress and ultimate stress of material

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Slenderness ratio of a compression member is

A. Moment of inertia/Radius of gyration

B. Effective length/Area of cross-section

C. Radius of gyration/Effective length

D. Radius of gyration/ Area of cross-section

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With a percentage increase of carbon in steel, decreases its

A. Strength

B. Hardness

C. Brittleness

D. Ductility

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The mechanism method of plastic analysis satisfies

A. Equilibrium and mechanism conditions

B. Equilibrium and plastic moment conditions

C. Mechanism and plastic moment conditions

D. Equilibrium condition only

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The failure of a web plate takes place by yielding if the ratio of the clear depth to thickness of the web, is less than

A. 45

B. 55

C. 62

D. 82

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In the cross-section of a weld, throat is the

A. Minimum dimension

B. Average dimension

C. Maximum dimension

D. None of the above

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Design of a riveted joint, is based on the assumption:

A. Load is uniformly distributed among all the rivets

B. Shear stress on a rivet is uniformly distributed over its gross area

C. Bearing stress in the rivet is neglected

D. All the above

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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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The most economical section for a column, is

A. Rectangular

B. Solid round

C. Flat strip

D. Tubular section

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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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Rolled steel beams are designated by Indian Standard series and its

A. Weight per metre and depth of its section

B. Depth of section and weight per metre

C. Width of flange and weight per metre

D. Weight per metre and flange width

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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

Discuss this answer

Accepted Answer

B. 1500 kg/cm²

The allowable stress in axial tension for rolled I-sections and channels, is taken as

Correct Answer :

Show all Design of Steel Structures MCQ

Related Questions

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 fillet weld whose axis is parallel to the direction of the applied load, is known as

Angle of inclination of the lacing bar with the longitudinal axis of the column should preferably be between

The maximum axial load which is just sufficient to keep a column in a small deflected shape, is called

By providing sufficient edge distance, which of the following failures of riveted joint can be avoided?

Hudson's formula gives the dead weight of a truss bridge as a function of

The use of tie plates in laced columns is

Effective sectional area of a compression member is:

Diameter of a rivet hole is made larger than the diameter of the rivet by

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

For double angles carrying tension, placed back to back and connected to either side of the gusset plate, the sectional area of the section, is equal to cross sectional area of

Rolled steel beams are:

For the economical design of a combined footing to support two equal column loads, the projections of beams in lower tier are kept such that bending moment under column is equal to

The effect of racking forces is considered in the design of (i) Lateral braces (ii) Chord members The correct answer is

For rivets in tension with countersunk heads, the tensile value shall be

The ratio of longitudinal stress to strain within elastic limit, is known 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).

Select the correct statement

Shape factor is a property which depends

Slenderness ratio of a compression member is

With a percentage increase of carbon in steel, decreases its

The mechanism method of plastic analysis satisfies

The failure of a web plate takes place by yielding if the ratio of the clear depth to thickness of the web, is less than

In the cross-section of a weld, throat is the

Design of a riveted joint, is based on the assumption:

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

The most economical section for a column, is

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

Rolled steel beams are designated by Indian Standard series and its

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

Also checkout

The allowable stress in axial tension for rolled I-sections and channels, is taken as

Correct Answer :

Show all Design of Steel Structures MCQ

Related Questions

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 fillet weld whose axis is parallel to the direction of the applied load, is known as

Angle of inclination of the lacing bar with the longitudinal axis of the column should preferably be between

The maximum axial load which is just sufficient to keep a column in a small deflected shape, is called

By providing sufficient edge distance, which of the following failures of riveted joint can be avoided?

Hudson's formula gives the dead weight of a truss bridge as a function of

The use of tie plates in laced columns is

Effective sectional area of a compression member is:

Diameter of a rivet hole is made larger than the diameter of the rivet by

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

For double angles carrying tension, placed back to back and connected to either side of the gusset plate, the sectional area of the section, is equal to cross sectional area of

Rolled steel beams are:

For the economical design of a combined footing to support two equal column loads, the projections of beams in lower tier are kept such that bending moment under column is equal to

The effect of racking forces is considered in the design of (i) Lateral braces (ii) Chord members The correct answer is

For rivets in tension with countersunk heads, the tensile value shall be

The ratio of longitudinal stress to strain within elastic limit, is known 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).

Select the correct statement

Shape factor is a property which depends

Slenderness ratio of a compression member is

With a percentage increase of carbon in steel, decreases its

The mechanism method of plastic analysis satisfies

The failure of a web plate takes place by yielding if the ratio of the clear depth to thickness of the web, is less than

In the cross-section of a weld, throat is the

Design of a riveted joint, is based on the assumption:

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

The most economical section for a column, is

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

Rolled steel beams are designated by Indian Standard series and its

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

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).