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Civil Engineering - Steel Structure Design

Exercise : Steel Structure Design - Section 2
31.
A long plate girder is subjected to a maximum bending moment M in which permitted allowable bending stress is fb. The economical depth de and the thickness of the web tw, is given by
none of these.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
32.
The beams supporting the steps of a stair are generally known as
headers
trimmers
stringers
spandrel beams.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
33.
In a grillage column footing maximum bending moment M occurs at the centre of grillage beams. Its value is (where P, L and a are axial load, length of the beam and length of the column base respectively).
M = P(L - a)
Answer: Option
Explanation:
No answer description is available. Let's discuss.
34.
For a steel grillage footing to support two unequal column loads
line of action of the resultant of two column loads, is made to coincide with the centre of gravity of the base of the footing
trapezoidal shape is used for the base footing
projections of beams on either side in lower tier are such that bending moments under columns are equal
bending moment under the columns are kept equal to the bending moment between to two columns
all the above.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
35.
In case of cantilever fillers, the ratio of the span L to depth d, should not exceed
4
8
12
16
20
Answer: Option
Explanation:
No answer description is available. Let's discuss.
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