SSC JE Civil Engineering 23-Mar-2021 Shift 2 Paper

Question : 163 of 200

Marks: +1, -0

If E is modulus of elasticity, N is modulus of rigidity and K is bulk modulus, then which of the following is a correct relation?

Solution:

The relation between Young’s modulus (E), rigidity modulus (N) and poison’s ratio (μ) is given by

\E = 2\N (1 + \μ)

Some other important relations are as follows:

\E = 3\K (1 – 2\μ)​​,

\E = {9\NK}/(\N + 3\K)

and

\μ={3\K−2\N }/ {2\N+6\K}

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