GATE ME 2025 Set 1 — Question 61
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Machine Design → Machine Elements → Bolted, Riveted & Welded Joints
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Question
Two plates of thickness 10 mm each are to be joined by a transverse fillet weld on one side and the resulting structure is loaded as shown in the figure below. If the ultimate tensile strength of the weld material is 150 MPa and the factor of safety to be used is 3, the minimum length of the weld required to ensure that the weld does NOT fail is ______ mm (rounded off to 2 decimal places). 
Correct answer
12 to 14.2
Solution
Given:
Load kN N
Plate thickness mm. For a fillet weld, size mm.
Ultimate tensile strength MPa
Factor of safety
Allowable stress MPaFor a transverse fillet weld, the load carrying capacity is given by:
Substituting the values:
mmRounding off to 2 decimal places, the minimum length is 14.14 mm.
Load kN N
Plate thickness mm. For a fillet weld, size mm.
Ultimate tensile strength MPa
Factor of safety
Allowable stress MPaFor a transverse fillet weld, the load carrying capacity is given by:
Substituting the values:
mmRounding off to 2 decimal places, the minimum length is 14.14 mm.
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