Question 503General Subjects - Assistant Engineer70% to pass
With respect to machine shop "taps and dies"; a plug tap is correctly used for _______________.
AI Explanation
The correct answer is D) the second cut when threading a blind hole.
A plug tap is used to complete the second cut when threading a blind hole. This is because a plug tap has a full set of threads along its length, which allows it to cut the threads all the way to the bottom of the hole. The other options are incorrect because a plug tap is not used for chasing threads on a rod (A), reversing threads in a hole (B), or starting threads on a rod (C). Those tasks would require different types of taps, such as a taper tap or a bottoming tap.
Related Questions
#501 If you are hand tapping holes in cast iron, you should _______________.#502 When internal threading for piping where the work permits the tap to be run entirely through you can begin and end the tapping of the hole by using a _______________.#504 Which of the devices shown in the illustration should be used with a bridge gage? Illustration GS-0073 #505 The purpose of the instrument illustrated is to _______________. Illustration GS-0079 #506 The ruler indicated in the illustration is commonly referred to as a/an _______________. Illustration GS-0023