Pick up the correct statement from the following: The minimum pitch should not b

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Question
Pick up the correct statement from the following:
Options
A. The minimum pitch should not be less than 2.5 times the gross diameter of the river
B. The minimum pitch should not be less than 12 times the gross diameter of the rivet
C. The maximum pitch should not exceed 10 times the thickness or 150 mm whichever is less in compression
D. All the above.

Correct Answer

The minimum pitch should not be less than 2.5 times the gross diameter of the river

Steel Structure Design problems

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1. The effective length L of a simply supported beam with ends restrained against torsion, and also the ends of compression flange partially restrained against lateral bending, is given by
Options
A. L = span
B. L = 0.85 span
C. L = 0.75 span
D. L = 0.7 span
E. L = 1.25 span

3. In a member subjected to an axial tensile force and bending moment, the maximum allowable stress in axial tension is f_t and the maximum allowable bending stress in tension is f_ht. If f_t and f_ht are their corresponding actual axial tensile and bending stresses, the relationship which holds goods is
Options
A.
B.
C.
D.

5. In a grillage column footing maximum bending moment M occurs at the centre of grillage beams. Its value is (where P, L and a are axial load, length of the beam and length of the column base respectively).
Options
A. M = P(L - a)
B.
C.
D.
E.

6. Rolled steel beams are designated by Indian Standard series and its
Options
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.

7. The effective length of a weld, is taken as the actual length
Options
A. minus the size of weld
B. minus twice the size of weld
C. plus the size of weld
D. plus twice the size of weld
E. none of these.

8. Strengths of a rivet in single shearing, in bearing and in tearing are 3425 kg, 4575 kg and 5025 kg respectively. If the load in the member is 35 tonnes, the number of rivets required, is
Options
A. 10
B. 11
C. 12
D. 13
E. 15

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