Civil Engineering - Strength of Materials

31.
The tensile force required to cause an elongation of 0.045 mm in a steel rod of 1000 mm length and 12 mm diameter, is (where E = 2 x 106 kg/cm2)
166 kg
102 kg
204 kg
74 kg
Answer: Option
Explanation:
No answer description is available. Let's discuss.

32.
According to Unwin's formula, the diameter d of a rivet of plate of thickness t is :
d = 6.05 t
d = 1.5 t + 4
d = 5 t
d = t + 1.5
Answer: Option
Explanation:
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33.
In a bar of large length when held vertically and subjected to a load at its lower end, its own-weight produces additional stress. The maximum stress will be
at the lower cross-section
at the built-in upper cross-section
at the central cross-section
at every point of the bar.
Answer: Option
Explanation:
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34.
If a shaft is simultaneously subjected to a toque T and a bending moment M, the ratio of maximum bending stress and maximum shearing stress is
Answer: Option
Explanation:
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35.
Struts are load carrying members of a frame structure which are subjected to
axial tension loads
axial compressive loads
torsional loads
transverse loads.
Answer: Option
Explanation:
No answer description is available. Let's discuss.