Pick up the correct statement from the following:

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Pick up the correct statement from the following:

A. The ends of a strut, are connected together with two rivets

B. The members of strut will have at least two connections spaced equidistant in their length

C. The members when separated back-to-back, the connecting rivets should pass through solid washer or packing

D. All the above

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The ratio of the span L of the filler joists to the depth d from the underside of the joist to the top of the structural concrete, should not exceed

A. 60

B. 45

C. 35

D. 25

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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

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The rivets which are heated and then driven in the field, are known

A. Power driven shop rivets

B. Power driven field rivets

C. Hand driven rivets

D. Cold driven rivets

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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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The slenderness ratio of a column is zero when its length

A. Is zero

B. Is equal to its radius of gyration

C. Is supported on all sides throughout its length

D. Is between the points of zero moments

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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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For a cantilever beam of length L built-in at the support and restrained against torsion at the free end, the effective projecting length l is

A. l = 0.7 L

B. l = 0.75 L

C. l = 0.85 L

D. l = 0.5 L

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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

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When the length of a tension member is too long

A. A wire rope is used

B. A rod is used

C. A bar is used

D. A single angle is used

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The load on a lintel is assumed as uniformly distributed if the height of the masonry above it, is upto a height of

A. The effective span

B. 1.25 times the effective span

C. 1.50 times the effective span

D. 2.0 times the effective span

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Bolts are most suitable to carry

A. Shear

B. Bending

C. Axial tension

D. Shear and bending

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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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When a tension member is made of four angles with a plate as a web, the allowance for holes is made as

A. Two holes for each angle and one hole for the web

B. One hole for each angle and one hole for the web

C. One hole for each angle and two holes for the web

D. Two holes for each angle and two holes for the web

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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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A beam may be designed as a cased beam if

A. Section is of double open channel form with the webs not less than 40 mm apart

B. Overall depth and width of the steel section do not exceed 750 and 450 mm respectively

C. Beam is solidly encased in concrete with 10 mm aggregate having 28 days strength 160 kg/cm2

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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Pick up the correct statement from the following:

A. The slenderness ratio of lacing bars for compression members should not exceed 145

B. The minimum width of lacing bar connected with rivets of nominal diameter 16 mm, is kept 50 mm

C. The minimum thickness of a flat lacing bar is kept equal to onefortieth of its length between inner end rivets

D. All the above

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The slenderness ratio of lacing bars should not exceed

A. 100

B. 120

C. 145

D. 180

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Minimum spacing of vertical stiffeners is limited to

A. d/4

B. d/3

C. d/2

D. 2d/3 Where d is the distance between flange angles

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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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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

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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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Maximum pitch of rivets, used in steel stacks, is limited to

A. 6 t

B. 10 t

C. 12 t

D. 16 t Where t is thickness of thinner plate being connected

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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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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

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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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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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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 allowable shear stress in the web of mild steel beams decreases with

A. Decrease in h/t ratio

B. Increase in h/t ratio

C. Decrease in thickness

D. Increase in height Where 'h' is height and t is thickness

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If the unsupported length of a stanchion is 4 metres and least radius of gyration of its cross-section is 5, the slenderness ratio of the stanchion, is

A. 60

B. 70

C. 80

D. 100

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Accepted Answer

D. All the above

Pick up the correct statement from the following:

Correct Answer :

Show all Design of Steel Structures MCQ

Related Questions

The ratio of the span L of the filler joists to the depth d from the underside of the joist to the top of the structural concrete, should not exceed

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

The rivets which are heated and then driven in the field, are known

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

The slenderness ratio of a column is zero when its length

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).

For a cantilever beam of length L built-in at the support and restrained against torsion at the free end, the effective projecting length l is

A major beam in a building structure, is known as

When the length of a tension member is too long

The load on a lintel is assumed as uniformly distributed if the height of the masonry above it, is upto a height of

Bolts are most suitable to carry

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

When a tension member is made of four angles with a plate as a web, the allowance for holes is made as

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

A beam may be designed as a cased beam if

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

Pick up the correct statement from the following:

The slenderness ratio of lacing bars should not exceed

Minimum spacing of vertical stiffeners is limited to

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

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

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

Maximum pitch of rivets, used in steel stacks, is limited to

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

Horizontal stiffener in a plate girder is provided to safeguard against

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

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

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

The allowable shear stress in the web of mild steel beams decreases with

If the unsupported length of a stanchion is 4 metres and least radius of gyration of its cross-section is 5, the slenderness ratio of the stanchion, is

Also checkout

Pick up the correct statement from the following:

Correct Answer :

Show all Design of Steel Structures MCQ

Related Questions

The ratio of the span L of the filler joists to the depth d from the underside of the joist to the top of the structural concrete, should not exceed

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

The rivets which are heated and then driven in the field, are known

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

The slenderness ratio of a column is zero when its length

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).

For a cantilever beam of length L built-in at the support and restrained against torsion at the free end, the effective projecting length l is

A major beam in a building structure, is known as

When the length of a tension member is too long

The load on a lintel is assumed as uniformly distributed if the height of the masonry above it, is upto a height of

Bolts are most suitable to carry

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

When a tension member is made of four angles with a plate as a web, the allowance for holes is made as

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

A beam may be designed as a cased beam if

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

Pick up the correct statement from the following:

The slenderness ratio of lacing bars should not exceed

Minimum spacing of vertical stiffeners is limited to

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

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

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

Maximum pitch of rivets, used in steel stacks, is limited to

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

Horizontal stiffener in a plate girder is provided to safeguard against

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

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

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

The allowable shear stress in the web of mild steel beams decreases with

If the unsupported length of a stanchion is 4 metres and least radius of gyration of its cross-section is 5, the slenderness ratio of the stanchion, 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).