Question 495General Subjects - Assistant Engineer
70% to passTo determine the diameter of a small hole, which of the listed tools must be used with inside calipers to get an accurate reading?
AWire gage
BCenter gage
CMicrometer
DNone of the above
AI Explanation
The correct answer is C) Micrometer. To accurately measure the diameter of a small hole, you must use a micrometer in conjunction with inside calipers. The micrometer provides the precise measurement that is necessary for determining the hole's diameter, while the inside calipers allow you to properly insert the tool into the hole and obtain the reading. The other options are not suitable for this task. A wire gage is used to measure the thickness of wires, a center gage is used to measure the depth of a hole, and none of the listed tools would be suitable on their own to accurately determine the diameter of a small hole.
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