3. Direct tension indicators are sometimes used instead of torque wrenches to ensure that a bolt has a prescribed tension when used for connections. If a nut on the bolt is tightened so that the six 3-mm high heads of the indicator are strained 0.1 mm/mm, and leave a contact area on each head of 1.5 mm², determine the tension in the bolt shank. The stress-strain diagram of the indicator material (and bolt) is shown.

3. Direct tension indicators are sometimes used instead of torque wrenches to ensure that a bolt has a prescribed tension when used for connections. If a nut on the bolt is tightened so that the six 3-mm high heads of the indicator are strained 0.1 mm/mm, and leave a contact area on each head of 1.5 mm², determine the tension in the bolt shank. The stress-strain diagram of the indicator material (and bolt) is shown.

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

Die Stock

Die stock is expressed as the type of component which is utilized for fitting purposes while creating or shaping uniform threads on tubes, pipes, or screws. The die stock (die handle) has three screws around the adjustable part of a particular machine that helps to locate the die. Also, die stock can endure on a variety of hex and split adjustable dies of several dimensions. One of the primary reasons for using die stock in industries is because die stock can be operated by hands. Commonly, it is made up of high carbon steel.

Question

3. Direct tension indicators are sometimes used instead of torque
wrenches to ensure that a bolt has a prescribed tension when
used for connections. If a nut on the bolt is tightened so that the
six 3-mm high heads of the indicator are strained 0.1 mm/mm,
and leave a contact area on each head of 1.5 mm², determine the
tension in the bolt shank. The stress-strain diagram of the
indicator material (and bolt) is shown.
3 mm
1
σ (MPa)
600
450
0.0015
0.3
€ (mm/mm)

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