Mr. Dubey • 100.64K Points
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Q. What is dedendum for external threads?

(A) radial distance between pitch and minor cylinder
(B) radial distance between major and pitch cylinder
(C) radial distance between major and minor cylinder
(D) axial distance between major and pitch cylinder

Correct Answer - Option(A)
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Filed under category Metrology and Measurements

Explanation by: Mr. Dubey

addendum for an external thread is defined as the radial distance between the major cylinder and pitch cylinder and for internal addendum is the radial distance between the minor cylinder and pitch cylinder. dedendum for external thread is the radial distance between the pitch cylinder and minor cylinder and this is the radial distance between the major and pitch cylinders for internal thread.

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