Civil Engineering - Steel Structure Design

41.
A 20 mm dia steel bar which is subjected to an axial tension of 2300 kg/cm2 produces a strain of 0.004 cm. If Young's modulus of steel is 2.1 x 106 kg/cm2, the bar is
in the elastic range
in the plastic range
at yield point
none of these.
Answer: Option
Explanation:
No answer description is available. Let's discuss.

42.
Poisson's ratio for steel within elastic limit, ranges from
0.15 to 0.20
0.25 to 0.24
0.25 to 0.33
0.33 to 0.35
0.45 to 0.50
Answer: Option
Explanation:
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43.
For eccentrically loaded columns, the bending factor is
Answer: Option
Explanation:
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44.
When a large value of radius of gyration is not required
channels are placed back to back
channel flanges are kept inward
channel flanges are kept outward
none of these.
Answer: Option
Explanation:
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45.
The maximum axial load which is just sufficient to keep a column in a small deflected shape, is called
crippling load
buckling load
critical load
all the above.
Answer: Option
Explanation:
No answer description is available. Let's discuss.