Which of the following is the correct torsion equation?

More Questions from Strength of Materials

• The rectangular beam 'A ' has length l, width b and depth d. Another beam 'B' has the same width and depth but length is double that of 'A'. The elastic strength of beam 'B' will be __________ as compared to beam A.
• A pressure vessel is said to be a thin shell when the ratio of wall thickness of the vessel to its diameter is __________ 1/10.
• The strength of the shaft is judged by the torque transmitted by the shaft.
• When a body is subjected to a direct tensile stress (σx) in one plane accompanied by a simple shear stress (τxy ), the maximum normal stress is
• According to Euler's column theory, the crippling load of a column is given by p = π2 EI/Cl2 In this equation, the value of C for a column with both ends hinged, is
• A simply supported beam with a gradually varying load from zero at B and w per unit length at A is shown in the below figure. The shear force at B is equal to
• The ratio of linear stress to the linear strain is called
• When a load on the free end of a cantilever beam is increased, failure will occur
• The length of a conical bar is l, diameter of base is d and weight per unit volume is w. It is fixea at its upper end and hanging freely. The elongation of the bar under the action of its own weight will be
• Two closely coiled helical springs 'A' and 'B' are equal in all respects but the diameter of wire of spring 'A' is double that of spring 'B' The stiffness of spring 'B' will be __________ that of spring 'A'

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