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).

Question

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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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 cross-section of a standard fillet is a triangle whose base angles are

A. 45° and 45°

B. 30° and 60°

C. 40° and 50°

D. 20° and 70°

Discuss this answer

Number of rivets required in a joint, is

A. Load/Shear strength of a rivet

B. Load/Bearing strength of a rivet

C. Load/Tearing strength of a rivet

D. Load/Rivet value

Discuss this answer

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 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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The thickness of the web of a mild steel plate girder is less than d/200. If only one horizontal stiffener is used, it is placed at

A. The neutral axis of the section

B. 2/3rd of the depth of the neutral axis from the compression flange

C. 2/5th of the depth of the neutral axis from the compression flange

D. 2/5th of the height of the neutral axis from tension flange

Discuss this answer

The tensile strength of mild steel for bolts and nuts should not be less than

A. 32 kg/mm²

B. 36 kg/mm²

C. 40 kg/mm²

D. 44 kg/mm²

Discuss this answer

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

Discuss this answer

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

Discuss this answer

Bolts are most suitable to carry

A. Shear

B. Bending

C. Axial tension

D. Shear and bending

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A major beam in a building structure, is known as

A. A girder

B. A floor beam

C. A main beam

D. All the above

Discuss this answer

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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If d is the distance between the flange angles,

A. Vertical stiffeners are provided in steel plate girders if the web is less than d/85

B. Vertical stiffeners are provided in high tensile steel plate girders if the web is less than d/175

C. Horizontal stiffeners are provided in steel plate girders if the web is less than d/200

D. All the above

Discuss this answer

Study the following statements. (i) Top lateral bracing prevents the sides-way buckling of the chord. (ii) Sway bracing keeps the rectangular shape of the bridge crosssection. (iii) Sway bracing transfers the load from top of end posts to bearings. The correct answer is

A. Only (i)

B. Both (i) and (ii)

C. Both (i) and (iii)

D. All (i), (ii) and (iii)

Discuss this answer

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

Discuss this answer

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

Discuss this answer

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

Discuss this answer

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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As per IS : 800, for compression flange, the outstand of flange plates should not exceed

A. 12 t

B. 16 t

C. 20 t

D. 25 t Where t = thickness of thinnest flange plate

Discuss this answer

Pick up the incorrect statement from the following:

A. The nominal diameter of a rivet is its diameter before driving

B. The gross diameter of a rivet is the diameter of rivet hole

C. The gross area of a rivet is the cross-sectional area of the rivet hole

D. The diameter of a rivet hole is equal to the nominal diameter of the rivet plus 1.5 mm

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In case horizontal stiffeners are not used, the distance between vertical legs of flange angles at the top and bottom of a plate girder, is known as

A. Overall depth

B. Clear depth

C. Effective depth

D. None of these

Discuss this answer

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

A. L

B. 0.67 L

C. 0.85 L

D. 1.5 L

Discuss this answer

Efficiency of a riveted joint is defined as the ratio of

A. Least strength of a riveted joint to the strength of solid plate

B. Greatest strength of a riveted joint to the strength of solid plate

C. Least strength of a riveted plate to the greatest strength of the riveted joint

D. All the above

Discuss this answer

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

Discuss this answer

The connection of one beam to another beam by means of an angle at the bottom and an angle at the top, is known as

A. Unstiffened seated connection

B. Stiffened seated connection

C. Seated connection

D. None of these

Discuss this answer

Tacking rivets in tension members, are provided at a pitch in line not exceeding

A. 25 cm

B. 50 cm

C. 75 cm

D. 100 cm

Discuss this answer

When the axis of load lies in the plane of rivet group, then the most heavily loaded rivet will be the one which (Where, Fa is the load shared by each rivet due to axial load and Fm is the shearing load due to moment in any rivet.)

A. Is at the maximum distance from CG of the rivet group

B. Is at the minimum distance from CG of the rivet group

C. Gives the maximum angle between the two forces Fa and Fm

D. Gives the minimum angle between the two forces Fa and Fm

Discuss this answer

In a gusseted base, when the end of the column is machined for complete bearing on the base plate, then the axial load is assumed to be transferred to base plate

A. Fully by direct bearing

B. Fully through fastenings

C. 50% by direct bearing and 50% through fastenings

D. 75% by direct bearing and 25% through fastenings

Discuss this answer

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

A. P_s = N × (π/4) d² × P_s

B. P_s = N × (d × t × p_s)

C. P_s = N × (p - d) × t × P_s

D. P_s = N × (P + d) × t × p_s

Discuss this answer

The thickness t of a single flat lacing should not be less than

A. 1/30th length between inner end rivets

B. 1/40th length between inner end rivets

C. 1/50th length between inner end rivets

D. 1/60th length between inner end rivets

Discuss this answer

Accepted Answer

B. f_b = W/(b + 2h√3)t_w

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).

Correct Answer :

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Related Questions

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

The cross-section of a standard fillet is a triangle whose base angles are

Number of rivets required in a joint, is

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

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

The thickness of the web of a mild steel plate girder is less than d/200. If only one horizontal stiffener is used, it is placed at

The tensile strength of mild steel for bolts and nuts should not be less than

The main advantage of a steel member, is:

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

Bolts are most suitable to carry

A major beam in a building structure, is known as

When a large value of radius of gyration is not required

If d is the distance between the flange angles,

Study the following statements. (i) Top lateral bracing prevents the sides-way buckling of the chord. (ii) Sway bracing keeps the rectangular shape of the bridge crosssection. (iii) Sway bracing transfers the load from top of end posts to bearings. The correct answer is

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

Cold driven rivets range from

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

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

As per IS : 800, for compression flange, the outstand of flange plates should not exceed

Pick up the incorrect statement from the following:

In case horizontal stiffeners are not used, the distance between vertical legs of flange angles at the top and bottom of a plate girder, is known as

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

Efficiency of a riveted joint is defined as the ratio of

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

The connection of one beam to another beam by means of an angle at the bottom and an angle at the top, is known as

Tacking rivets in tension members, are provided at a pitch in line not exceeding

When the axis of load lies in the plane of rivet group, then the most heavily loaded rivet will be the one which (Where, Fa is the load shared by each rivet due to axial load and Fm is the shearing load due to moment in any rivet.)

In a gusseted base, when the end of the column is machined for complete bearing on the base plate, then the axial load is assumed to be transferred to base plate

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

The thickness t of a single flat lacing should not be less than

Also checkout

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).

Correct Answer :

Show all Design of Steel Structures MCQ

Related Questions

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

The cross-section of a standard fillet is a triangle whose base angles are

Number of rivets required in a joint, is

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

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

The thickness of the web of a mild steel plate girder is less than d/200. If only one horizontal stiffener is used, it is placed at

The tensile strength of mild steel for bolts and nuts should not be less than

The main advantage of a steel member, is:

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

Bolts are most suitable to carry

A major beam in a building structure, is known as

When a large value of radius of gyration is not required

If d is the distance between the flange angles,

Study the following statements. (i) Top lateral bracing prevents the sides-way buckling of the chord. (ii) Sway bracing keeps the rectangular shape of the bridge crosssection. (iii) Sway bracing transfers the load from top of end posts to bearings. The correct answer is

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

Cold driven rivets range from

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

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

As per IS : 800, for compression flange, the outstand of flange plates should not exceed

Pick up the incorrect statement from the following:

In case horizontal stiffeners are not used, the distance between vertical legs of flange angles at the top and bottom of a plate girder, is known as

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

Efficiency of a riveted joint is defined as the ratio of

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

The connection of one beam to another beam by means of an angle at the bottom and an angle at the top, is known as

Tacking rivets in tension members, are provided at a pitch in line not exceeding

When the axis of load lies in the plane of rivet group, then the most heavily loaded rivet will be the one which (Where, Fa is the load shared by each rivet due to axial load and Fm is the shearing load due to moment in any rivet.)

In a gusseted base, when the end of the column is machined for complete bearing on the base plate, then the axial load is assumed to be transferred to base plate

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

The thickness t of a single flat lacing should not be less than

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).