The unit of modulus of elasticity is same as those of stress, strain and pressur

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Question
The unit of modulus of elasticity is same as those of
Options
A. stress, strain and pressure
B. stress, force and modulus of rigidity
C. strain, force and pressure
D. stress, pressure and modulus of rigidity

Correct Answer

stress, pressure and modulus of rigidity

Strength of Materials problems

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4. When a bar of length l, width b and thickness t is subjected to a pull of P, its
Options
A. length, width and thickness increases
B. length, width and thickness decreases
C. length increases, width and thickness decreases
D. length decreases, width and thickness increases

5. Which of the following statement is correct?
Options
A. The stress is the pressure per unit area.
B. The strain is expressed in mm.
C. Hook's law holds good upto the breaking point.
D. Stress is directly proportional to strain within elastic limit.

8. The design of thin cylindrical shells is based on
Options
A. hoop stress
B. longitudinal stress
C. arithmetic mean of the hoop and the longitudinal stress
D. geometric mean of the hoop and longitudinal stress

9. 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.

10. According to Euler's column theory, the crippling load of a column is given by p = ?² EI/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

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