Millwright Level 1 Practice Exam

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For the ISO metric thread designated as M14 x 2 - 6g, what is the pitch of this thread?

1.5MM
3MM
2MM
4MM

The correct answer is: 2MM

The designation M14 x 2 - 6g specifies the thread's characteristics according to ISO metric standards. In this designation: - The "M" stands for metric thread. - The "14" indicates the nominal diameter of the thread in millimeters, which is 14 mm. - The "2" indicates the pitch of the thread, which is the distance between threads in millimeters. Therefore, the pitch is directly given as "2" in the designation, which confirms that the pitch of the thread is indeed 2 mm. This means that for every complete revolution of the screw, it advances a distance of 2 mm along its axis. Understanding this designation is crucial for selecting the proper components in mechanical assembly and ensuring compatibility in threaded applications.