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GATE Questions with solutions: Volumetric Strain Video Lecture | Topper Handwritten Notes & Videos for GATE ME - Mechanical Engineering

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FAQs on GATE Questions with solutions: Volumetric Strain Video Lecture - Topper Handwritten Notes & Videos for GATE ME - Mechanical Engineering

1. What is volumetric strain and how is it calculated?
Ans. Volumetric strain refers to the change in volume of a material subjected to stress. It is calculated by dividing the change in volume by the original volume of the material.
2. Can you explain the concept of volumetric strain using an example?
Ans. Certainly! Let's say we have a solid cube with an original volume of 100 cubic centimeters. If the cube is subjected to stress and its volume increases to 110 cubic centimeters, then the volumetric strain would be (110 - 100) / 100 = 0.1 or 10%.
3. How is volumetric strain related to other types of strain, such as linear strain?
Ans. Volumetric strain is related to linear strain through the Poisson's ratio. Poisson's ratio is the ratio of lateral strain to linear strain. By using Poisson's ratio, we can determine the volumetric strain based on the linear strain experienced by a material.
4. What are some applications of volumetric strain in engineering and materials science?
Ans. Volumetric strain is used in various engineering and materials science applications. It is crucial in designing structures that can withstand changes in volume due to external forces, such as bridges or buildings. It is also important in understanding the behavior of materials under different conditions, like in geotechnical engineering or material testing.
5. How does volumetric strain affect the properties of materials?
Ans. Volumetric strain can have significant effects on the properties of materials. It can cause changes in density, porosity, and overall structural integrity. Understanding the volumetric strain allows engineers and scientists to predict and analyze the behavior of materials under different conditions, aiding in the design and selection of suitable materials for specific applications.
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