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Vladimir79 [104]
2 years ago
11

When cutting a FBD through an axial member, assume that the internal force is tension and draw the force arrow _______ the cut s

urface.
Engineering
1 answer:
shepuryov [24]2 years ago
3 0

Problem-Solving Tip: When cutting an FBD through an axial member, assume that the internal force is tension and draw the force arrow directed away from the cut surface. If the computed internal force value turns out to be a positive number, then the assumption of tension is confirmed.

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Helium gas expands in a piston-cylinder in a polytropic process with n=1.67. Is the work positive, negative or zero?
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Answer:

work will be positive when it is under polytropic expansion process

Explanation:

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Also work during the process of polytropic is given as

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the work will be positive when it is under the polytropic expansion process

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Answer:

B. it’s False
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Answer:

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