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GATE CE: Solid Mechanics Champion Quiz 5

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Question 1

Which of the following theories of failure is most appropriate for a brittle material?

Question 2

Consider the two states of stress as shown in configurations I and II in the figure below. From the standpoint of distortion energy (von-Mises) criterion, which one of the following statements is true?

Description: D:\GradeStack Courses\GATE Tests (Sent by Ravi)\GATE-ME-2014-Set-2_files\image149.png

Question 3

The state of plane-stress at a point is given by σx = −200MPa, σy = 100MPa and τxy = 100MPa. the maximum shear stress in MPa is

Question 4

The principal stresses at a point in a bar are 160 N/mm2 (tensile) and 80 N/mm2 (compr.) The accompanying maximum shear stress intensity is

Question 5

For the design of a cast iron member, the most appropriate theory of failure is

Question 6

A rectangular strain rosette, shown in figure, give following reading in a strain measurement task ϵ1 = 1000 × 10-6, ϵ2 = 800 × 10-6,  ϵ3 = 600 × 10-6The direction of the major principal strain with respect to gauge 1 is
Description: F:\GradeStack Courses\GATE Tests (Sent by Ravi)\GATE-22-April\GATE-IES-ME-Strength-of-Materials_files\image164.jpg

Question 7

In the arrangement as shown in the figure, the stepped steel bar ABC is loaded by load P. The material has young’s modulus E= 200 GPa and the two portions AB and BC have area cross section 1cm2 and 2cm2 respectively. The magnitude of load P required to fill up the gap of 0.75 mm is
Description: F:\GradeStack Courses\GATE Tests (Sent by Ravi)\GATE-22-April\GATE-IES-ME-Strength-of-Materials_files\image055.jpg

Question 8

The diameter of a solid shaft made of mild steel, rotating at 250 rpm is 45 mm. the shaft is designed to transmit 50 kW. What will be the factor of safety if the ultimate sear stress at yield is 427 N/mm2?

Question 9

Shear force and bending moment diagrams for a beam ABCD are shown in figure. It can be concluded that
Description: F:\GradeStack Courses\GATE Tests (Sent by Ravi)\GATE-22-April\GATE-IES-ME-Strength-of-Materials_files\image261.jpg

Question 10

A Mohr’s circle reduces to a point when the body is subjected to
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May 28ESE & GATE CE