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4

The statical 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

Correct Answer :

B. Equilibrium and plastic moment conditions


Related Questions

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4

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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4

If fbt and fc are the co-existent bending tensile stress and shear stress in a member, the equivalent stress fc is

A. √(fbt² + fc²)

B. √(fbt² + ½fc²)

C. √(fbt² + 3fc²)

D. √(fbt² - 3fc²)

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4

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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4

The effective length of a compression member of length L held in position and restrained in direction at one end and effectively restrained in direction but not held in position at the other end, is

A. L

B. 0.67 L

C. 0.85 L

D. 1.5 L

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4

IS : 800 - 1971 recommends that in a splice plate the number of rivets carrying calculated shear stress through a packing greater than 6 mm thick, is to be increased by 2.5% for every

A. 1.00 mm thickness of packing

B. 1.50 mm thickness of packing

C. 2.0 mm thickness of packing

D. 2.50 mm thickness of packing

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4

The distance between the outer faces of flanges of a plate girder, is known as

A. Overall depth

B. Clear depth

C. Effective depth

D. None of these

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4

The effective length of a compression member of length L held in position at both ends but not restrained in direction, is

A. L

B. 0.67 L

C. 0.85 L

D. 1.5 L

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4

The area Ap of cover plates in one flange of a built up beam, is given by

A. Ap = Zreqr + Zbeam/h

B. Ap = Zreqr + Zbeam/A

C. Ap = Zreqr × Zbeam/h

D. Ap = Zreqr - Zbeam/h

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4

In a fillet weld placed on the sides of the base, the metal experiences

A. Shear

B. Tension

C. Compression

D. All the above

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4

A fillet weld may be termed as

A. Mitre weld

B. Concave weld

C. Convex weld

D. All the above

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4

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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4

If the moment of inertia of a section about its axis is I and its effective sectional area is A, its radius of gyration r about the axis, is

A. r = I/A

B. r = √(I/A)

C. r = (I/A)

D. r = √(A/I)

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4

The risk coefficient k, depends on

A. Mean probable design life of structures

B. Basic wind speed

C. Both (A) and (B)

D. None of the above

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4

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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4

The bracing between two columns of a steel tank will be designed to resist

A. Horizontal shear due to wind or earthquake only

B. Horizontal, shear due to wind or earthquake + 2.5% of column loads

C. Column loads + 2.5% of horizontal shear due to wind or earthquake

D. Column loads + full horizontal shear due to wind or earthquake

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4

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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4

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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4

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°

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4

The economical depth d of a web plate in which allowable bearing stress is fb, and the maximum bending moment is M, as suggested by Rawater and Clark, is

A. d = (M/fb)

B. d = 1.5 (M/fb)

C. d = 2.5 (M/fb)

D. d = 4.5 (M/fb)

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4

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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4

The capacity of the smallest pressed steel tank is

A. 1000 litre

B. 1650 litre

C. 1950 litre

D. 2450 litre

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4

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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4

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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4

The minimum width B of a solid casing for a cased beam, is equal to

A. B = b + 25 mm

B. B = b + 50 mm

C. B = b + 75 mm

D. B = b + 100 mm

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4

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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4

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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4

The minimum edge distance of a rivet line connecting two or more plates, is kept equal to 37 mm plus (where t is the thickness in mm of the thinner outside plate).

A. 2 t

B. 4 t

C. 6 t

D. 8 t

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4

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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4

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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4

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