The rectangular beam 'A' has length l, width b and depth d. Another beam 'B' has the same length and width but depth is double that of 'A'. The elastic strength of beam B will be __________ as compared to beam A.
A. Same
B. Double
C. Four times
D. Six times
Answer: Option C
This Question Belongs to Mechanical Engineering >> Strength Of Materials In ME
Join The Discussion
Comments ( 1 )
Related Questions on Strength of Materials in ME
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
Z= I /Ymax
I= Bd³/12 nd Ymax=d/2
So Solving above two we Can say
Z~d²