Mohr's circle (1)

Mohr's circle (1)

University

10 Qs

quiz-placeholder

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Mohr's circle (1)

Mohr's circle (1)

Assessment

Quiz

English

University

Hard

Created by

Mechanics of Materials

FREE Resource

10 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

The figure shows the state of stress at certain point in a stresses body. The magnitudes of normal stresses in x and y direction are 100 MPa and 20 MPa respectively. The radius of Mohr’s stress circle representing this state of stress is

120

80

60

40

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What does the Mohr's Circle represent ?

Strain on planes

Shear on planes

  1. Friction on planes

  1. Stresses on planes

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

The angle between Major Principal plane and Minor Principal plane for a strained body is: 

45

30

60

90

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

The state of stress represented by Mohr’s circle shown in the figure is

pure shear

  1. hydrostatic stress

  1. biaxial tension of equal magnitude

  1. uniaxial tension

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

A two dimensional fluid element rotates like a rigid body. At a point within the element, the pressure is 1 unit. Radius of the Mohr’s circle, characterizing the state of stress at that point, is

0
2
1
0.5

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which of the following is used as the center of Mohr's Circle?

The maximum shear stress (τmax)
The difference in normal stress (σx - σy)
The sum of shear stresses (τx + τy)
The average normal stress (σx + σy) / 2

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

  • If σx​=60 MPa , σy=20σy​=20 MPa, τxy=40τxy​=40 MPa

Find the normal stress on a plane oriented 45 degrees to the x-axis.

30 MPa
100 MPa
80 MPa
50 MPa

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