NCCER Millwright Practice Exam

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Study for the NCCER Millwright Test. Prepare with multiple-choice questions and flashcards that provide insights and explanations. Get ready for your exam!

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The pitch of threaded fasteners is measured with which tool?

Screwdriver
Thread gauge
Caliper
Protractor

The correct answer is: Thread gauge

The pitch of threaded fasteners refers to the distance between adjacent threads and is an important measurement in ensuring that threaded components fit together properly. A thread gauge, specifically designed for this purpose, features various notches or slots that correspond to the different thread pitches. By inserting the threaded fastener into the appropriate slot on the gauge, one can easily measure and confirm the pitch of the threads. In contrast, a screwdriver is used to turn screws and would not provide any measurement of thread pitch. A caliper, while versatile for measuring external and internal dimensions as well as depths, is not specialized for measuring thread pitch, which requires a specific type of tool for accuracy. A protractor is intended for measuring angles, which is unrelated to the measurement of threaded fasteners. Thus, the thread gauge is the most suitable and precise tool for measuring the pitch of threaded fasteners.