The size of teeth of a gear can be found if given the proper type of information. For example, the circular pitch of the gear is equal to p (3.1416) divided by the diametrical pitch, and the outside diameter is equal to the pitch diameter added to twice the amount of the dedendum. The trick is to know which pieces of information will help find the answer in the least amount of time. If you are given values to any of the answers below, you will be able to find the size of teeth of this particular gear. Which one will give you the answer in the least amount of time?
A. You are given the circular thickness.
B. You are given the addendum and the whole depth.
C. You are given the circular pitch and the number of teeth.
D. You are given the number of teeth, the pitch diameter, and the diametrical pitch.
E. You are given the outside diameter, the addendum, the whole depth, and the number of teeth
Answer: D
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