Test: Analysis of Stress & Strain Level - 1 - Mechanical Engineering MCQ
20 Questions MCQ Test - Test: Analysis of Stress & Strain Level - 1
For drawing Mohr’s circle, the required stresses are
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Mohr’s circle can be used to determine, on an inclined surface
The extremities of any diameter on Mohr’s circle represent
The shear stress along the principal plane subjected to maximum principal stress is
In Mohr’s circle, the center of circle from y-axis is taken as
Maximum shearing stress planes are inclined at the following angle to the principal planes
(!) 45°
When a body is subjected to a direct tensile stress (σ) in the one plane. Then tangential or shear stress on oblique section of the body inclined at angle θ to the normal of the section is
When a square or rectangular block subjected to a shear load is in equilibrium, the shear stress in one plane is always associated with a complementary shear stress (of equal value) in the other plane at __________ to it?
If an element of a specimen of brittle material is subjected to shear stress, the crack propagation if occurs, will be inclined to the sides of the element at
The maximum shear stress from a Mohr’s circle is given by
For which one of the following two-dimensional states of stress will be Mohr’s stress circle degenerate into a point?
Biaxial stress system is correctly shown in
If the principal stresses at a point in a strained body are σx and σy (σx > σy ), then the resultant stress on a plane carrying the maximum shear stress is equal to
A solid cube is subjected to identical normal forces on all the faces. The ratio of volumetric strain to linear strain in any of the three axes is
For the given stress condition σx = 2 N ⁄ mm2, σy = 0, τxy = 0, the correct Mohr’s circle is
If σ1 = 600N/mm2 (tensile) and σ2 = 400 N/mm2 (Compressive), the maximum shear stress is
The principal stress induced at a point in a machine element made of steel (Syt = 460 MPa) are as follows σ1 = 210 MPa and σ2 = 145 MPa, the factor of safety according to Hencky’s theory of failure is
A bolt is subjected to an axial load of 10 kN with a transverse shear load 4 kN and crosssection area of bolt is 250 mm2 and yield strength of bolt material is 240 MPa the factor of safety according to Guest’s theory is
= 40 MPa
= 16 MPa
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