The ratio of shearing stress to the shearing strain is defined as

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Q2

Assertion (A): The bearing capacity of a footing always gets affected by the location of ground water table.
Reason (R): Water in soil affects the shear strength parameters as well as the unit weight.

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Q3

An element is subjected to stress as given below

For this state of stress, what is the maximum shear stress?

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Q4

Consider the following statements :
1. In the infinitesimal strain theory, dilatation is taken as an invariant.
2. Dilatation is not proportional to the algebraic sum of all normal stresses.
3. The shearing modulus is always less than the elastic modulus.
Which of the above statements is/are correct?

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Q5

Roasting as well as calcination of an ore is always doneits melting point.