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Mechanical Prop...

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  • Question 1
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    The following four wires are made of the same material. Which of these will have the largest extension when the same tension is applied ?

  • Question 2
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    If Young's modulus of elasticity Y for a material is 1.5 times its rigidity coefficient η , the Poisson's ratio σ will be

  • Question 3
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    For a given material, the Young's modulus is 2.4 times that of rigidity modulus. Its Poisson's ratio is

  • Question 4
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    The Poisson's ratio cannot have the value

  • Question 5
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    A wire is stretched under a force. If the wire suddenly snaps, the temperature of the wire

  • Question 6
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    A large open tank has two holes in the wall. One is a square hole of side L at a depth y from the top and the other is a circular hole of radius R at a depth 4 y from the top. When the tank is completely filled with water, the quantities of water flowing out per second from both holes are the same. Then, R is equal to

  • Question 7
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    The hollow shaft is ... than a solid shaft of same mass, material and length.

  • Question 8
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    Which of the following relation is true?

  • Question 9
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    Which of the following substances has the highest elasticity?

  • Question 10
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