The extension of a circular bar tapering uniformly from diameter $${{\text{d}}_1}$$ at one end to diameter $${{\text{d}}_2}$$ at the other end and subjected to an axial pull of P is _________ the extension of a circular bar of diameter $$\sqrt {{{\text{d}}_1}{{\text{d}}_2}} $$ subjected to the same load P.
A. Equal to
B. Less than
C. Greater than
D. None of these
Answer: Option A
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A. Equal to
B. Less than
C. Greater than
D. None of these
A. $$\frac{{{\text{w}}l}}{6}$$
B. $$\frac{{{\text{w}}l}}{3}$$
C. $${\text{w}}l$$
D. $$\frac{{2{\text{w}}l}}{3}$$
The columns whose slenderness ratio is less than 80, are known as
A. Short columns
B. Long columns
C. Weak columns
D. Medium columns
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