Bulb angles are used in column building bridge building ship building water tank

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Steel Structure Design problems

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3. 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.

4. The permissible stress to which a structural member can be subjected to, is known as
Options
A. bearing stress
B. working stress
C. tensile stress
D. compressive stress
E. all the above.

5. To keep the intensity of bearing pressure between the column base and concrete, compressive throughout the length of the column base, the ratio of the moment M to axial load P should be
Options
A.
B.
C.
D.
E.

6. 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.

7. 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.

8. 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.

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