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The strain energy stored in a solid circular shaft in torsion, subjected to shear stress ($$\tau $$), is:
(Where, G = Modulus of rigidity for the shaft material)

The strain energy stored in a solid circular shaft in torsion, subjected to shear stress ($$\tau $$), is:
(Where, G = Modulus of rigidity for the shaft material) Correct Answer $$\frac{{{\tau ^2}}}{{4G}}$$ × Volume of shaft

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The strain energy stored in a solid circular shaft in torsion, subjected to shear stress ($$\tau $$), is: (Where, G = Modulus of rigidity for the shaft material)
The strain energy stored in a solid circular shaft subjected to shear stress ($$\tau $$), is: (Where, G = Modulus of rigidity for the shaft material)
The strain energy stored in a solid circular shaft subjected to shear stress ($$\tau $$), is:
(Where, G = Modulus of rigidity for the shaft material)
From an alloy, two specimens are machined and tested separately under tension and compression. The engineering stress-strain curves as well as the true stress-true strain curves for tension and compression are plotted in the same diagram. Identify the correct statements:
P. The engineering stress-strain curves in tension and compression are identical.
Q. The true stress-true strain curve in compression is lower than the true stresstrue strain curve in tension due to Bauschinger effect.
R. The true stress-true strain curve in tension is above the corresponding engineering stress-strain, curve.
S. The true stress-true strain curve in tension and compression are identical.
The strain energy stored in a body due to shear stress, is (where $$\tau $$ = Shear stress, C = Shear modulus and V = Volume of the body)
If nominal shear stress $${\tau _{\text{v}}}$$ exceeds the design shear strength of concrete $${\tau _{\text{c}}}$$, the nominal shear reinforcement as per IS : 456-1978 shall be provided for carrying a shear stress equal to
Consider the following statements: The basic reason why shafts are made of steel and its alloys is: 1. The shaft is subjected to normal stress. 2. The shaft stress alternates with respect to time. 3. The shaft is subjected to pure compressive stress. 4. The shaft is subjected to the stress of constant intensity. Which of these statements are correct?
Tresca or maximum-shear stress criteria assumes that yielding occurs when the maximum shear stress reaches a value of the shear stress in the uniaxial tension test. Assume the principal stress being σ1, σ2, σ3 where σ1 is largest, and σ3 is the smallest principal stresses. Find the value of minimum shear stress to cause yielding, given that yield stress in tension is equal to σo?
A solid rod of circular cross-section made of brittle material, when subjected to torsion, fails along a plane at 45° to the axis of the rod. Consider the following statements as pertaining there to: 1. Distortion energy is maximum on this 45° plane. 2. Shear stress is maximum on this 45° plane. 3. Normal stress is maximum on this 45° plane. Which of the above is/are correct? 
A rectangular block of size 400mm x 50mm x 50mm is subjected to a shear stress of 500kg/cm2. If the modulus of rigidity of the material is 1×106 kg/cm2, the strain energy will be __________