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Why strain has no unit?...

Why strain has no unit?

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Because, strain is the ratio of two similar physical quantity.
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KUMAR PRAKASHAN-MACHANICAL PROPERTIES OF SOLIDS -SECTION-C
  1. Give difference between charge and mass.

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  2. What is shear modulus for liquid ?

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  3. Why strain has no unit?

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  4. Which type of elastic modulus is there in liquid and gas ?

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  5. 0.1 Pa = ...... Nm^(-2) = ...... "dyne" cm^(-2).

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  6. At every point of rest liquid, the tangential stress is zero. Explain ...

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  7. Which one is more elastic, steel or plastic ? Why ?

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  8. Why water is more elastic than air ?

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  9. Give the value of shear modulus of sulfuric acid.

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  10. A wire is hanged from the ceiling without any weight below it, would t...

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  11. Which of the following bulk modulus is possible in solid, liquid and g...

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  12. A solid sphere of radius 10 cm is subjected to a pressure of 5 xx 10^(...

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  13. The length of metallic wire is l. The tensin in the wire is T(1) for l...

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  14. What is the effect of change in temperature on the Young's modulus ?

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  15. Does the energy stored in a spring changes when it stretched or compre...

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  16. Is stress is a vector or scalar or tensor ?

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  17. When the heavy weight suspended and removed from the metal wire, it ca...

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  18. Name the property which opposes the deformation.

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  19. Write the limitation of Hooke's law.

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  20. What are the factors on which modulus of elasticity depends ?

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