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A carpenter glues a pair of cylindrical wooden logs by bonding their end faces at an
angle of as shown in the figure.

The glue used at the interface fails if
Criterion 1 : the maximum normal stress exceeds 2.5 MPa
Criterion 2 : the maximum shear stress exceeds 1.5 MPa
Assume that the interface fails before the logs fail. When a uniform tensile stress of 4
MPa is applied, the interface
  • a)
    fails only because of criterion 1
  • b)
    fails only because of criterion 2
  • c)
    fails because of both criteria 1 and 2
  • d)
    does not fail.
Correct answer is option 'C'. Can you explain this answer?
Verified Answer
A carpenter glues a pair of cylindrical wooden logs by bonding their e...
General equation learned for
Normal stress on inclined plane

And shear stress for inclined plane

when is measured clockwise from left face.
Hence must be replaced by (- ) in above equations and



Since both the stress exceeds the given limits, answer is option (C).
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A carpenter glues a pair of cylindrical wooden logs by bonding their end faces at anangle of as shown in the figure.The glue used at the interface fails ifCriterion 1 : the maximum normal stress exceeds 2.5 MPaCriterion 2 : the maximum shear stress exceeds 1.5 MPaAssume that the interface fails before the logs fail. When a uniform tensile stress of 4MPa is applied, the interfacea)fails only because of criterion 1b)fails only because of criterion 2c)fails because of both criteria 1 and 2d)does not fail.Correct answer is option 'C'. Can you explain this answer?
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A carpenter glues a pair of cylindrical wooden logs by bonding their end faces at anangle of as shown in the figure.The glue used at the interface fails ifCriterion 1 : the maximum normal stress exceeds 2.5 MPaCriterion 2 : the maximum shear stress exceeds 1.5 MPaAssume that the interface fails before the logs fail. When a uniform tensile stress of 4MPa is applied, the interfacea)fails only because of criterion 1b)fails only because of criterion 2c)fails because of both criteria 1 and 2d)does not fail.Correct answer is option 'C'. Can you explain this answer? for Mechanical Engineering 2024 is part of Mechanical Engineering preparation. The Question and answers have been prepared according to the Mechanical Engineering exam syllabus. Information about A carpenter glues a pair of cylindrical wooden logs by bonding their end faces at anangle of as shown in the figure.The glue used at the interface fails ifCriterion 1 : the maximum normal stress exceeds 2.5 MPaCriterion 2 : the maximum shear stress exceeds 1.5 MPaAssume that the interface fails before the logs fail. When a uniform tensile stress of 4MPa is applied, the interfacea)fails only because of criterion 1b)fails only because of criterion 2c)fails because of both criteria 1 and 2d)does not fail.Correct answer is option 'C'. Can you explain this answer? covers all topics & solutions for Mechanical Engineering 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for A carpenter glues a pair of cylindrical wooden logs by bonding their end faces at anangle of as shown in the figure.The glue used at the interface fails ifCriterion 1 : the maximum normal stress exceeds 2.5 MPaCriterion 2 : the maximum shear stress exceeds 1.5 MPaAssume that the interface fails before the logs fail. When a uniform tensile stress of 4MPa is applied, the interfacea)fails only because of criterion 1b)fails only because of criterion 2c)fails because of both criteria 1 and 2d)does not fail.Correct answer is option 'C'. Can you explain this answer?.
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