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For bolts of uniform strength, the shank diameter is made equal to
  • a)
    major diameter of threads
  • b)
    pitch diameter of threads
  • c)
    minor diameter of threads
  • d)
    nominal diameter of threads
Correct answer is option 'C'. Can you explain this answer?
Most Upvoted Answer
For bolts of uniform strength, the shank diameter is made equal toa)ma...
Shank Diameter for Bolts of Uniform Strength:

In bolts of uniform strength, the shank diameter is made equal to the minor diameter of threads. Let's understand this in detail.

Uniform Strength Bolts:

Uniform strength bolts are designed to have the same strength in the shank as in the threaded portion of the bolt. This is achieved by reducing the cross-sectional area of the threaded portion of the bolt so that it matches the cross-sectional area of the shank. This ensures that the bolt will fail in the shank section rather than in the threaded section.

Minor Diameter of Threads:

The minor diameter of threads is the smallest diameter of the threaded section of the bolt. It is the diameter of the imaginary cylinder that passes through the bottom of the threads. The minor diameter is used to calculate the tensile strength of the bolt.

Relation between Shank Diameter and Minor Diameter of Threads:

In bolts of uniform strength, the shank diameter is made equal to the minor diameter of threads. This is done to ensure that the bolt has the same strength in the shank and threaded portions. If the shank diameter is larger than the minor diameter of threads, then the bolt will have more strength in the shank than in the threaded portion. This will cause the bolt to fail in the threaded portion rather than the shank. On the other hand, if the shank diameter is smaller than the minor diameter of threads, then the bolt will have more strength in the threaded portion than in the shank. This will cause the bolt to fail in the shank portion rather than the threaded portion.

Conclusion:

In conclusion, the shank diameter for bolts of uniform strength is made equal to the minor diameter of threads to ensure that the bolt has the same strength in the shank and threaded portions.
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For bolts of uniform strength, the shank diameter is made equal toa)major diameter of threadsb)pitch diameter of threadsc)minor diameter of threadsd)nominal diameter of threadsCorrect answer is option 'C'. Can you explain this answer?
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