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Mechanical Engineering Exam  >  Mechanical Engineering Tests  >  Design of Machine Elements  >  Test: Unsymmetrically Loaded Welded Joints - Mechanical Engineering MCQ

Test: Unsymmetrically Loaded Welded Joints - Mechanical Engineering MCQ


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10 Questions MCQ Test Design of Machine Elements - Test: Unsymmetrically Loaded Welded Joints

Test: Unsymmetrically Loaded Welded Joints for Mechanical Engineering 2024 is part of Design of Machine Elements preparation. The Test: Unsymmetrically Loaded Welded Joints questions and answers have been prepared according to the Mechanical Engineering exam syllabus.The Test: Unsymmetrically Loaded Welded Joints MCQs are made for Mechanical Engineering 2024 Exam. Find important definitions, questions, notes, meanings, examples, exercises, MCQs and online tests for Test: Unsymmetrically Loaded Welded Joints below.
Solutions of Test: Unsymmetrically Loaded Welded Joints questions in English are available as part of our Design of Machine Elements for Mechanical Engineering & Test: Unsymmetrically Loaded Welded Joints solutions in Hindi for Design of Machine Elements course. Download more important topics, notes, lectures and mock test series for Mechanical Engineering Exam by signing up for free. Attempt Test: Unsymmetrically Loaded Welded Joints | 10 questions in 20 minutes | Mock test for Mechanical Engineering preparation | Free important questions MCQ to study Design of Machine Elements for Mechanical Engineering Exam | Download free PDF with solutions
Test: Unsymmetrically Loaded Welded Joints - Question 1
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The two welds shown in the figure experience equal resisting force?

Detailed Solution for Test: Unsymmetrically Loaded Welded Joints - Question 1

Explanation: As the welded joints are unsymetrically loaded hence resisting forces are different in the two welds.

Test: Unsymmetrically Loaded Welded Joints - Question 2
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The moment of forces about the CG is ?

Detailed Solution for Test: Unsymmetrically Loaded Welded Joints - Question 2

Explanation: External force passes through CG hence moment is zero.

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Test: Unsymmetrically Loaded Welded Joints - Question 3
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Which equations can be used to find the resisting force in the two welds?

Detailed Solution for Test: Unsymmetrically Loaded Welded Joints - Question 3

Explanation: One equation is of equilibrium and the other conservation of moment about CG.

Test: Unsymmetrically Loaded Welded Joints - Question 4
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For the following welded joint l₁y₁=l₂y₂.
Detailed Solution for Test: Unsymmetrically Loaded Welded Joints - Question 4

Explanation: P₁y₁=P₂y₂ and P₁=0.707hl₁τ and P₂=0.707hl₂τ.

Test: Unsymmetrically Loaded Welded Joints - Question 5
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 Find the total length of weld required to with stand the load of 100kN. Permissible shear stress in weld is 70kN/mm².
Detailed Solution for Test: Unsymmetrically Loaded Welded Joints - Question 5

Explanation: 100000=0.707x10xlx70.

Test: Unsymmetrically Loaded Welded Joints - Question 6
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Find the length of weld 2 required to with stand the load of 100kN. Permissible shear stress in weld is 70kN/mm².
Detailed Solution for Test: Unsymmetrically Loaded Welded Joints - Question 6

Explanation: By finding CG y₂=103.9mm, therefore l₁y₁=l₂y₂ and l₁+l₂=202.06mm.

Test: Unsymmetrically Loaded Welded Joints - Question 7
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Find the length of weld 1 required to with stand the load of 100kN. Permissible shear stress in weld is 70kN/mm².
Detailed Solution for Test: Unsymmetrically Loaded Welded Joints - Question 7

Explanation: By finding CG y₂=103.9mm, therefore l₁y₁=l₂y₂ and l₁+l₂=202.06mm.

Test: Unsymmetrically Loaded Welded Joints - Question 8
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The following welded joint is an example of
Detailed Solution for Test: Unsymmetrically Loaded Welded Joints - Question 8

Explanation: The figure clearly depicts.

Test: Unsymmetrically Loaded Welded Joints - Question 9
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What kind of stresses does the welded joint undergo?
Detailed Solution for Test: Unsymmetrically Loaded Welded Joints - Question 9

Explanation: After shifting force to CG, we have a force and a moment about CG.

Test: Unsymmetrically Loaded Welded Joints - Question 10
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 While considering moment of inertia for calculating torsional shear stress, J=I(xx) + I(yy), which of the following can be neglected in context with the following figure?
Detailed Solution for Test: Unsymmetrically Loaded Welded Joints - Question 10

Explanation: I(xx) is negligible as compared to I(yy) as I(xx)=ltᵌ/12 and t is very less as compared to l so I(xx) is neglected in comparison to I(yy).

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