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Test: Analysis of Stress & Strain - 3 - Mechanical Engineering MCQ


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10 Questions MCQ Test - Test: Analysis of Stress & Strain - 3

Test: Analysis of Stress & Strain - 3 for Mechanical Engineering 2024 is part of Mechanical Engineering preparation. The Test: Analysis of Stress & Strain - 3 questions and answers have been prepared according to the Mechanical Engineering exam syllabus.The Test: Analysis of Stress & Strain - 3 MCQs are made for Mechanical Engineering 2024 Exam. Find important definitions, questions, notes, meanings, examples, exercises, MCQs and online tests for Test: Analysis of Stress & Strain - 3 below.
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Test: Analysis of Stress & Strain - 3 - Question 1

A solid circular shaft is subjected to bending moment M and twisting moment T. What is the equivalent twisting moment Te which will produce the same maximum shear stress as the above combination?

Detailed Solution for Test: Analysis of Stress & Strain - 3 - Question 1

Maximum shear stress,

Test: Analysis of Stress & Strain - 3 - Question 2

Strain rosettes are used to

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Test: Analysis of Stress & Strain - 3 - Question 3

The principal stresses at a point in an elastic material are 60 N/mm2 tensile, 20 N/mm2 tensile and 50 N/mm2 compressive. If the material properties are: μ = 0.35 and E = 105 N/mm2 then the volumetric strain of the material is

Detailed Solution for Test: Analysis of Stress & Strain - 3 - Question 3

Volumetric strain,

Test: Analysis of Stress & Strain - 3 - Question 4

The state of stress at a point in a body under plane state of stress condition is given by MPa . The maximum shear stress (in MPa) is

Detailed Solution for Test: Analysis of Stress & Strain - 3 - Question 4

Test: Analysis of Stress & Strain - 3 - Question 5

If at a point in a body σ= 70 MPa, σ= 60 MPa and τxy = - 5 MPa, then the radius of Mohr’s circle is equal to

Detailed Solution for Test: Analysis of Stress & Strain - 3 - Question 5

Radius of Mohr’s circle

Test: Analysis of Stress & Strain - 3 - Question 6

The state of stress at a point in a loaded member is shown in figure below. The magnitude of maximum shear stress is

Detailed Solution for Test: Analysis of Stress & Strain - 3 - Question 6

Maximum shear stress

= 50 MPa

Test: Analysis of Stress & Strain - 3 - Question 7

The cross-section of a bar is subjected to a uniaxial tensile stress 'p' The tangential stress on a plane inclined at θ to the cross-section of the bar would be

Detailed Solution for Test: Analysis of Stress & Strain - 3 - Question 7

Normal stress = pcos2θ
Tangential stress = psinθ cosθ

Test: Analysis of Stress & Strain - 3 - Question 8

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

Detailed Solution for Test: Analysis of Stress & Strain - 3 - Question 8

Radius of Mohr’s circle

= 60 MPa

Test: Analysis of Stress & Strain - 3 - Question 9

Match List-I (State of stress) with List-II (Kind of loading) and select the correct answer using the codes given below the lists:
List-I




List-II
1. Combined bending and torsion of circular shaft
2. Torsion of circular shaft
3. Thin cylinder subjected to internal pressure
4. The bar subjected to tensile force
Codes:
    A B C D
(a) 2 1 3 4
(b) 3 4 2 1
(c) 2 4 3 1
(d) 3 1 2 4

Detailed Solution for Test: Analysis of Stress & Strain - 3 - Question 9

Torsion of circular shaft (pure shear)

Bar subjected to tensile force (shear will not be present)

Combined bending and torsion

Thin cylinder subjected to internal pressure

Test: Analysis of Stress & Strain - 3 - Question 10

Consider the Mohr’s circle shown below. What is the state of stress represented by this circle?

Detailed Solution for Test: Analysis of Stress & Strain - 3 - Question 10

The state of stress is represented by σx = σy = 0, τxy ≠ 0

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