Column footing is provided to spread the column load over a larger area to ensur

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Question
Column footing is provided
Options
A. to spread the column load over a larger area
B. to ensure that intensity of bearing pressure between the column footing and soil does not exceed permissible bearing capacity of the soil
C. to distribute the column load over soil through the column footing
D. all the above.

Correct Answer

all the above.

Steel Structure Design problems

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1. The thickness t of a single flat lacing should not be less than
Options
A. 1/30 th length between inner end rivets
B. 1/40 th length between inner end rivets
C. 1/50 th length between inner end rivets
D. 1/60 th length between inner end rivets
E. none of these.

3. If the pitch is 6 cm and rivet value is 4 tonnes, the number of rivets required for a riveted connection carrying an eccentric load of 15 tonnes at a distance of 30 cm from the centre line, is
Options
A. 6
B. 8
C. 10
D. 12
E. 15

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).
Options
A. 2 t
B. 4 t
C. 6 t
D. 8 t
E. 10 t

5. When a tension member is made of four angles with a plate as a web, the allowance for holes is made as
Options
A. two holes for each angle and one hole for the web
B. one hole for each angle and one hole for the web
C. one hole for each angle and two holes for the web
D. two holes for each angle and two holes for the web
E. none of these.

9. A second horizontal stiffener is always placed at the neutral axis of the girder if the thickness of the web is less than
Options
A. d/250 for structural steel
B. d/225 for high tensile steel
C. both (c) and (b)
D. neither (a) nor (b)

10. Pick up the correct statement from the following:
Options
A. Vertical stiffeners may be placed in pairs one on each side of the web
B. Single vertical stiffeners may be placed alternately on opposite sides of the web
C. Horizontal stiffeners may be placed in pairs one on each side of the web
D. Horizontal stiffeners may be placed alternately on opposite sides of the web
E. All the above.

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