Q. A tensile test was conducted on a mild steel bar. The diameter and the gauge length of bat was 3cm and 20cm respectively. The extension was 0.21mm. What is the value to strain?

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Q. i) Strain is a fundamental behaviour of a material.
ii) Strain does not have a unit.

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Q. A tensile test was conducted on a steel bar. The gauge length of the bar was 10cm and the extension was 2mm. What will be the percentage elongation?

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Q. The lateral strain is ___________

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Q. The unit of force in S.I. units is ?

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Q. Which of the following is not the unit of distance?

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Q. A solid cube is subjected to equal normal forces on all its faces. The volumetric strain will be x-times the linear strain in any of the three axes when?

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Q. A rod 200cm long is subjected to an axial pull due to which it elongates about 2mm. Calculate the amount of strain?

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Q. Some structural members subjected to a long time sustained loads deform progressively with time especially at elevated temperatures. What is such a phenomenon called?

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Q. Find the strain of a brass rod of length 100mm which is subjected to a tensile load of 50kN when the extension of rod is equal to 0.1mm?

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Q. The property by which a body returns to its original shape after removal of the force is called __________

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Q. The property of a material by which it can be beaten or rolled into thin plates is called __________

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Q. Which law is also called as the elasticity law?

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Q. The materials which have the same elastic properties in all directions are called __________

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Q. A member which does not regain its original shape after removal of the load producing deformation is said __________

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Q. The body will regain it is previous shape and size only when the deformation caused by the external forces, is within a certain limit. What is that limit?

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Q. As the elastic limit reaches, tensile strain __________

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Q. What kind of elastic materials are derived from a strain energy density function?

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Q. What the number that measures an object’s resistance to being deformed elastically when stress is applied to it?

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Q. The law which states that within elastic limits strain produced is proportional to the stress producing it is known as _____________

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