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PSC Civil Engg: Strength of Materials Quiz 6

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Question 1

For a certain material, Poisson’s ratio (μ) = 0.3, then the ratio of bulk modulus(K) to the modulus of rigidity(G) is ________.

Question 2

The state of stress of an element is given as follows.
The value of normal stress are , and major principal stress .Then the value of shear stress is.

Question 3

An elastic isotropic body is in a hydrostatic state of stress as shown in the figure. For no change in the volume to occur, what should be its Poisson's ratio?

Question 4

The shape factor of a rectangular section is

Question 5

In helical spring with close coil, which among the option clearly shows the stiffness of the spring?
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Jun 23ESE & GATE CE