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Machine Design- DESIGN OF MACHINE ELEMENTS exam Study Questions with 100% Correct Answers| Verified-

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Machine Design- DESIGN OF MACHINE ELEMENTS exam Study Questions with 100% Correct Answers| Verified-

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Machine Design
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Machine Design
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Machine Design- DESIGN OF MACHINE ELEMENTS
exam Study Questions with 100% Correct
Answers| Verified-

Series system - ✔✔All components must function or the system will fail. Reliability of
the system is the product of the individual reliabilities.


Example: 2 bearings with reliability's of 95% and 98%


R = (0.95)(0.98) = 0.93 = 93%



Tolerances - ✔✔Specify permissible variations of dimensions



Bilateral tolerance - ✔✔A tolerance that allows variation in both directions from the
design size.



Unilateral Tolerance - ✔✔A tolerance in which variation is permitted in only one
direction from the specified dimension.



Geometric tolerance - ✔✔A general term that refers to tolerances that control form,
profile, orientation, or location of a feature


Ex: flatness
Circularity for a circular surface



Si units - ✔✔Meters

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