In double lacing, the thickness t of flat lacing is t < 1/40 th length between i

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Question
In double lacing, the thickness t of flat lacing is
Options
A. t < 1/40 th length between inner end rivets
B. t < 1/50 th length between inner end rivets
C. t < 1/60 th length between inner end rivets
D. t < 1/70 th length between inner end rivets
E. none of these.

Correct Answer

t < 1/60 th length between inner end rivets

Steel Structure Design problems

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1. If d is the clear depth of a plate girder, t is the minimum required thickness of the web, C is the maximum clear distance between vertical stiffeners, the moment of inertia of a pair of stiffeners about the centre line of the web, is
Options
A.
B.
C.
D.

3. When the upper column does not provide full bearing area over lower column, the column splice is provided with the following assumption
Options
A. bearing plate is assumed as a short beam to transmit the axial load to the lower column section
B. axial load is assumed to be taken by flanges
C. load transmitted from the flanges of upper column and reactions from the flanges of lower columns are equal and form a couple
D. all the above.

5. The connection of one beam to another beam by means of an angle at the bottom and an angle at the top, is known as
Options
A. unstiffened seated connection
B. stiffened seated connection
C. seated connection
D. none of these.

8. For a steel member of slenderness ratio 350, the allowable stress is 76 kg/cm² if it is
Options
A. HTW grade of thickness exceeding 32 mm
B. HT grade of thickness exceeding 45 mm
C. HT grade of thickness not exceeding 45 mm
D. All the above.

9. 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.

10. 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.

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