a) What are the safety precautions against loosening of bolts? b) What does auto-blockage criteria (self-locking condition) mean in bolts? How can this criterion be fulfilled? Explain with formulas. (It is a machine design question.)

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A: Solution:

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A: Given Data⇒ ASTM A588

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A:

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A:

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A:

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A:

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A: The answer for the above question is option ‘B’.

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A: To Explain :  Hardness testing machine

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A: To choose the correct option.

Q: ommendation, what is the factor of safety for a key under seve

A: Ans: The factor of safety is taken as 3 to 4 for key design under difficult situations.

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A: Given question is related to machine design.

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A: Topic : engineering drawing

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Q: Please select all that applies. The possible failure modes for bolted joints are: shear in the bolts…

A: To select: The correct options. Concept used: Failure of the bolted joints: The bolted joints may…

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A:

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Q: What would be the effect of buckling on any mechanism?

A: Given Mechanism To find Bucking effect

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A:

Q: What is cohesiveness precisely? How is a tight connection distinguished from a loose coupling?

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A: Given: To find: Observation and description of experimental setup

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A: Preload means the force with which the bolts are clamped so that the materials remain in a…