How is crushing failure avoided in coupler nut?

Q.  When a coupler nut is subjected to crushing stress, crushing failure can be avoided if _____
- Published on 14 Sep 15

a. crushing stress induced is more than permissible crushing stress in the nut
b. permissible crushing stress is more than crushing stress induced in the threads
c. crushing stress induced is equal to permissible crushing stress
d. all of the above

ANSWER: permissible crushing stress is more than crushing stress induced in the threads

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    Discussion

  • Sravanthi   -Posted on 04 Nov 15
    - When a coupler nut is subjected to crushing stress, crushing failure can be avoided if permissible crushing stress is more than crushing stress induced in the threads.

    - Coupler nut is a thread fastener. These nuts are used to tighten a rod assembly inward or to press the rod assembly outwards.

    - Coupler nut is used to join two male threads. The threaded portion is subjected to direct shear stress and crushing stress.

    - A compressive stress acts between two components which have no relative motion between them. This stress is called as crushing stress.

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