Effective sectional area of a compression member is : gross sectional area - are

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Question
Effective sectional area of a compression member is :
Options
A. gross sectional area - area of rivet hole
B. gross sectional ares + area of rivet hole
C. gross sectional ares x area of rivet hole
D. gross sectional ares + area of rivet hole.

Correct Answer

gross sectional area - area of rivet hole

Steel Structure Design problems

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1. 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
Options
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
E. 3.0 mm thickness of packing.

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

6. 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
Options
A.
B.
C.
D.
E. none of these.

9. According to the Unwin's formula, if t is thickness of the plate in mm, the nominal diameter of the rivet, is
Options
A. d = 1.91 t
B. d = 1.91 t²
C. d = 1.91 t
D. d = 1.91 t
E. d = 2.3 t

10. If M is the moment due to a couple in a bearing plate whose width is b and allowable bending stress is P, the thickness (t) of the bending plate of the column splice, is
Options
A.
B.
C.
D.
E.

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