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Self Studies

Mechanical Prop...

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  • Question 1
    4 / -1

    A beam of metal supported at the two ends is loaded at the center. The depression at the center is proportional to..............

  • Question 2
    4 / -1

    On increasing the length by 0.5 mm in a steel wire of length 2 m and area of cross-section 2 mm2 the force required is................

  • Question 3
    4 / -1

  • Question 4
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    A force F is needed to break a copper wire having radius R, The force needed to break a copper wire of radius 2R will be........

  • Question 5
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    A rubber cord 10m long is suspended vertically. How much does it stretch under its own weight.

  • Question 6
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    The young's modulus of the material of a wire is equal to the ...........

  • Question 7
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    If x, longitudinal strain is produced in a wire of young's modulus y then energy stored in the material of the wire per unit volume is..........

  • Question 8
    4 / -1

    A and B are two wires. The radius of A is twice that of B. They are stretched by the same load. Then what is the stress on B ?

  • Question 9
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    If the length of wire is reduced to half then it can hold the .............load.

  • Question 10
    4 / -1

    Steel and copper wires of same length are stretched by the same weight one after the other. Young's modulus of steel the ratio increase in length ?

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