While an oil well is being drilled at a depth of 2100 m, it is observed that the top of the 200-mm-diameter steel drill pipe (G= 77.2 GPa) rotates through 2.5 revolutions before the drilling bit starts to operate. Determine the maximum shearing stress caused in the pipe by torsion. The maximum shearing stress caused in the pipe by torsion is MPа.

While an oil well is being drilled at a depth of 2100 m, it is observed that the top of the 200-mm-diameter steel drill pipe (G= 77.2 GPa) rotates through 2.5 revolutions before the drilling bit starts to operate. Determine the maximum shearing stress caused in the pipe by torsion. The maximum shearing stress caused in the pipe by torsion is MPа.

Elements Of Electromagnetics

7th Edition

ISBN:9780190698614

Author:Sadiku, Matthew N. O.

Publisher:Sadiku, Matthew N. O.

ChapterMA: Math Assessment

Section: Chapter Questions

Problem 1.1MA

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Concept explainers

Machining Processes and Machine Tools

Machining is represented as the process in which an excessive amount of substance is eliminated from the particular element in the form of pieces. In machining, cutting tools such as rotary tools, lathe, drill press, grinder, chop saw, welders, and many more are applied to get the desired shape. As compared to other manufacturing processes, machining is precise and versatile.

Question

While an oil well is being drilled at a depth of 2100 m, it is observed that the top of the 200-mm-diameter steel drill pipe (G= 77.2 GPa)
rotates through 2.5 revolutions before the drilling bit starts to operate. Determine the maximum shearing stress caused in the pipe by
torsion.
The maximum shearing stress caused in the pipe by torsion is
MPа.

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