A machine element is subjected to the following bi-axial state of stress; σx = 80MPa; σy = 20 MPa; τxy = 40 MPa. If the shear strength of the material is 100 MPa, the factor of safety as per Tresca‟s maximum shear stress theory is

A machine element is subjected to the following bi-axial state of stre

1.	A machine element is subjected to the following bi-axial state of stress; σx = 80MPa; σy = 20 MPa; τxy = 40 MPa. If the shear strength of the material is 100 MPa, the factor of safety as per Tresca‟s maximum shear stress theory is
A.	1
B.	2
C.	2.5
D.	3.3
Answer» C. 2.5

Discussion

No Comment Found

Related MCQs

A plane-strain compression (forging) of a block is shown in the figure. The strain in the z-direction is zero. The yield strength (Sy) in uniaxial tension/compression of the material of the block is 300 MPa and it follows the Tresca (maximum shear stress) criterion. Assume that the entire block has started yielding. At a point where σx = 40 MPa (compressive) τxy = 0, the stress component σy is ________
A solid circular shaft of 40 mm diameter transmits a torque of 3200 N-m. The value of maximum stress developed is
A machine element is subjected to the following bi-axial state of stress; σx = 80MPa; σy = 20 MPa; τxy = 40 MPa. If the shear strength of the material is 100 MPa, the factor of safety as per Tresca‟s maximum shear stress theory is
Consider the following theories of failure:A. Maximum stress theoryB. Maximum strain theoryC. Maximum shear stress theoryD. Maximum energy or distortion theoryThe most suitable for ductile material is
Bars of a square and circular cross-section with 0.5 m length is made of a material with a shear strength of 20 MPa. The square bar cross-section dimension is 4 cm × 4 cm and the cylindrical bar cross-section diameter is 4 cm. The specimens are loaded as shown in the figure. Which specimen (s) will fail due to the applied load as per the maximum shear stress theory?
Match the following related to theories of failureA. Max normal stress theory1. Vonmises theoryB. Max shear stress theory2. Haigh’s theoryC. Max strain energy theory3. Guest and Tresca theoryD. Max distortion energy theory4. Rankiness theory
At a certain point in a structural member, there are perpendicular stresses 80 N/mm2 and 20 N/mm2, both tensile. What is the equivalent stress in simple tension, according to the maximum principal strain theory? (Poisson’s ratio = 0.25)
A structural element is subjected to a two-dimensional stress system, wherein σ1 = 225 N/mm2 (tensile) with σ2 being compressive. The yield stress in both simple tension (σy)t and simple compression (σy)c is 250 N/mm2 and μ = 0.25. What is the value of σ2, according to Maximum Strain Theory?
For the prediction of ductile yielding, the theory of failure utilized is
An element in a strained body is subjected to only shear stress of intensity 50 MPa tending to rotate the body in a clockwise direction. What is the magnitude of principal stresses?

A machine element is subjected to the following bi-axial state of stress; σx = 80MPa; σy = 20 MPa; τxy = 40 MPa. If the shear strength of the material is 100 MPa, the factor of safety as per Tresca‟s maximum shear stress theory is

Discussion

No Comment Found

Related MCQs

Reply to Comment