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Test: Butt Joints & Fillet Joints - Mechanical Engineering MCQ


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10 Questions MCQ Test Design of Machine Elements - Test: Butt Joints & Fillet Joints

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

If force act in a direction parallel to the direction of weld, then fillet weld is called as?

Detailed Solution for Test: Butt Joints & Fillet Joints - Question 1

Explanation: Parallel fillet weld consist of force acting in a direction of weld.

Test: Butt Joints & Fillet Joints - Question 2

Convex weld is generally preferred over normal weld.

Detailed Solution for Test: Butt Joints & Fillet Joints - Question 2

Explanation: There is more stress concentration in convex weld and hence is less preferred.

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Test: Butt Joints & Fillet Joints - Question 3

Parallel fillet weld and transverse fillet weld both have the plane in which maximum shear stress occurs at 45’ to the leg dimension.

Detailed Solution for Test: Butt Joints & Fillet Joints - Question 3

Explanation: Transverse fillet weld has that plane inclined at 67.5 .

Test: Butt Joints & Fillet Joints - Question 4

The length of each of the two equal sides of a parallel fillet weld is called

Detailed Solution for Test: Butt Joints & Fillet Joints - Question 4

Explanation: Leg is the length of each of the two equal sides of a parallel fillet weld.

Test: Butt Joints & Fillet Joints - Question 5

Relation between throat and leg for a parallel fillet weld is

Detailed Solution for Test: Butt Joints & Fillet Joints - Question 5

Explanation: Throat is the minimum cross section of the weld and that plane lies at 45’ for a parallel fillet weld.

Test: Butt Joints & Fillet Joints - Question 6

If length of weld is l and leg h, then area of throat can be given by

Detailed Solution for Test: Butt Joints & Fillet Joints - Question 6

Explanation: Area=t x l where t=h Cos (45’).

Test: Butt Joints & Fillet Joints - Question 7

A steel plate is welded to another steel plate as shown in the figure. This is an example of transverse fillet weld.

Detailed Solution for Test: Butt Joints & Fillet Joints - Question 7

Explanation: The force acts parallel to the direction of weld and hence is an example of double parallel fillet weld.

Test: Butt Joints & Fillet Joints - Question 8

Referring to figure , determine the required length of the weld joining two steel plates which are 10mm wide and 10mm thick. The permissible shear stress in the weld is 80N/mm²

Detailed Solution for Test: Butt Joints & Fillet Joints - Question 8

Explanation: P=2 x 0.707 hlτ or 20000=1.414x10xlx80 or l=17.68mm.

Test: Butt Joints & Fillet Joints - Question 9

The two plates are welded as shown in the figure . It is an example of

Detailed Solution for Test: Butt Joints & Fillet Joints - Question 9

Explanation: In two welds force acts parallel as well as perpendicular to the direction of weld.

Test: Butt Joints & Fillet Joints - Question 10

With reference to figure , a plate, 75mm wide and 10mm thick, is joined with another plate as shown. The permissible tensile and shear stress in the welds are 50/mm² and 40N/mm². Determine the required length of each parallel fillet weld if length of transverse weld is 40mm.

Detailed Solution for Test: Butt Joints & Fillet Joints - Question 10

Explanation: 0.707hl₁σ+1.414hl₂τ=20000 or 0.707x10x50x40+1.414x10xl₂x40=20000.

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