The permissible bending stresses Pbet for steel slab bases should not exceed 150

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Question
The permissible bending stresses P_bet for steel slab bases should not exceed
Options
A. 1500 kg/cm²
B. 1650 kg/cm²
C. 1800 kg/cm²
D. 1890 kg/cm²

Correct Answer

1500 kg/cm²

Structural Design Specifications problems

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1. If the end of a beam of span L carrying a designed load W is partially restrained by a built up wall, it is designed to resist the negative moment at the face of the support, equal to
Options
A.
B.
C.
D.
E.

2. Pick up the correct statement from the following:
Options
A. The distance between centres of two adjacent rivets in line with the direction of stress shall not exceed 16 t or 200 mm whichever is less in tension members
B. The distance between the centres of two adjacent rivets in line with the direction of stress shall not exceed 12 t or 203 mm whichever is less in compression members
C. The minimum pitch of rivets should not be less than 2.5 times the diameter of the rivet hole
D. The distance between centres of any two consecutive rivets in a line adjacent and parallel to an edge of an outside plate shall hot exceed 100 mm + 4 t or 200 mm whichever is less both in compression and tension
E. All the above.

4. Bending moment values for filler joists
Options
A. near middle of end span is +
B. at support next to end support is -
C. at middle of interior spans is +
D. at other interior supports is -
E. all the above.

5. Pick up the correct statement for the web stiffeners.
Options
A. vertical stiffeners are spaced at a distance not greater than 1.5 d and not less than 0.33 d
B. d is the distance between flange angles or the clear distance between flanges
C. for horizontal stiffeners, d is the clear distance between the horizontal stiffener and the tension flange
D. all the above.

6. For achieving suitably a low permeability
Options
A. strong and dense aggregates are used
B. low water - cement ratio is used
C. proper curing is done for hydration
D. proper compaction is done
E. All the above.

8. The effective depth of a shallow beam is the distance between
Options
A. maximum compression and tension fibres
B. neutral axis and maximum compression fibre
C. neutral axis and maximum tension fibre
D. maximum compression fibre and the centroid of the tension reinforcement
E. none of these.

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