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GATE 2019: Strength of Material Quiz 4

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Question 1

At a point in 2D stress system σ_x = 130 N/mm², σ_y = τ_xy= 40 N/mm². What is the radius of the Mohr circle for stress drawn with a scale of 1 cm = 10 N/mm²

Question 2

A circular shaft subjected to twisting moment result in maximum shear stress of 50 MPa. Then the maximum compressive stress in the material is

Question 3

The Mohr’s circle for a plane stress is a circle of radius R with its center at $Description: Description: E:\Gate\SSC JE Mechanical Part 1\Made Easy Questions\04_SOM_BLok_files\image159.png$ . What is the value of shear stress on the plane of pure shear stress (in MPa) _________.

[Take R=100 MPa]

Question 4

At a point in a material there are two direct stresses of 60 MPa tensile and 50 MPa compressive acting at right angles to each other. The greatest principal stress in the material is limited to 125 MPa in tension. What will be maximum shearing stress to which the material can be subjected on the given plane __________.

Question 5

A solid circular shaft of diameter 100 mm is subjected to an axial stress of 50 MPa. It is further subjected to a torque of 10 kNm. The maximum principal stress experienced on the shaft is closest to

Question 6

The Mohr’s circle of plane stress for a point in a body is shown. The design is to be done on the basis of the maximum shear stress theory for yielding. Then, yielding will just begin if the designer chooses a ductile material whose yield strength is
$Description: D:\GradeStack Courses\GATE Tests (Sent by Ravi)\GATE ME 18-Mar\GATE-ME-2005_files\image157.jpg$

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ESE & GATE ME Strength of Materials

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