Answered: 7. Which one is coarser? (a) Abrasive…

7. Which one is coarser? (a) Abrasive paper: 180 grit paper or 320 grit paper ANS: (b) ) Metal specimen: ASTM grain-size number; 4 or 10 ANS:

Welding: Principles and Applications (MindTap Course List)

8th Edition

ISBN:9781305494695

Author:Larry Jeffus

Publisher:Larry Jeffus

Chapter25: Testing And Inspection

Section: Chapter Questions

Problem 25R: What would be the longitudinal shearing strength per millimeter of a specimen that was 50.8 mm wide...

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Concept explainers

Strain energy

The term strain indicates the variation in an object's length, area, and volume when the object is subjected to an external force. The external force may be of normal, shear, moment, torque, etc. The strain in an object depends on the types of external force and cross-section of the object. Mathematically, the evaluation of strain can be obtained with the help of elastic constants.

Question

7. Which one is coarser?
(a)
Abrasive paper: 180 grit paper or 320 grit paper
ANS:
(b) Metal specimen: ASTM grain-size number; 4 or 10
ANS:

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