Question 278General Subjects - Assistant Engineer
70% to passThe term, whole depth of the gear, shown in the illustration, is equal to _______________. Illustration GS-0111
AA + D
BB + D
CC + A
DC + D
AI Explanation
The correct answer is D) C + D. The term "whole depth of the gear" refers to the total vertical height of the gear, which includes the crown or height of the gear (C) plus the depth or thickness of the gear (D). This is the definition provided in the relevant regulations and illustrated in the diagram GS-0111. The other options are incorrect because they do not accurately represent the complete vertical measurement of the gear. Option A includes the addendum (A) rather than the crown (C), and option B includes the addendum (B) rather than the crown (C), both of which are not the correct components to calculate the whole depth of the gear.
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