According to Euler's column theory, the crippling load of a column is given by p = ?2EI/Cl2. In the Euler's formula, the value of C for a column with one end fixed and the other end free, is
Options
A. 1/2
B. 1
C. 2
D. 4
Correct Answer
4
Strength of Materials problems
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1. Which of the following statement is wrong?
Options
A. In the theory of simple bending, the assumption is that the plane sections before bending remains plane after bending.
B. In a beam subjected to bending moment, the strain is directly proportional to the distance from the neutral axis.
C. At the neutral axis of a beam, the bending stress is maximum.
D. The bending stress in a beam is inversely proportional to the section modulus.
Correct Answer: stress, pressure and modulus of rigidity
6. A simply supported beam 'A' of length l, breadth b and depth d carries a central load W. Another beam 'B' of the same dimensions carries a central load equal to 2 W. The deflection of beam 'B' will be __________ as that of beam 'A'.
Correct Answer: one end fixed and the other end free
10. Two bars of different materials and same size are subjected to the same tensile force. If the bars have unit elongation in the ratio of 2:5, then the ratio of modulus of elasticity of the two materials will be