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PSC Civil Engg: Strength of Materials Quiz 5
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Question 1
A bar produces a lateral strain of magnitude 
when subjected to a tensile stress of magnitude 300 MPa along the axial direction. What is the elastic modulus of the material if the poisson’s ratio is 0.3?
when subjected to a tensile stress of magnitude 300 MPa along the axial direction. What is the elastic modulus of the material if the poisson’s ratio is 0.3? Question 2
If the principal stresses and maximum shearing stresses are of equal numerical value at a point in a stress body, the state of stress can be termed as
Question 3
A system under biaxial loading induces principal stress of 100 N/
tensile and 50 N/ compressive at a point. The normal stress at that point on the maximum shear stress plane is
tensile and 50 N/ compressive at a point. The normal stress at that point on the maximum shear stress plane is Question 4
A prismatic bar, as shown in the figure is supported between rigid supports. The support reaction will be
Question 5
A solid shaft is designed to transmit 100 kW while rotating at N r.p.m. If the diameter of the shaft is doubled and allowed to operate at 2 N r.p.m., the power that can be transmitted by the latter shaft is
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