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Home Mechanical Engineering Strength of Materials See What Others Are Saying!
  • Question
  • If the modulus of elasticity for a given material is twice its modulus of rigidity, then bulk modulus is equal to


  • Options
  • A. 2C
  • B. 3C
  • C. If the modulus of elasticity for a given material is twice its modulus of rigidity, then bulk modulu
  • D. If the modulus of elasticity for a given material is twice its modulus of rigidity, then bulk modulu

  • Correct Answer
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  • More questions

    • 1. In the relation VTn = C, the value of n for high speed steel tools varies from 0.25 to 0.40.

    • Options
    • A. Agree
    • B. Disagree
    • Discuss
    • 2. The C.O.P. of an absorption type refrigerator is given by (where T1 = Temperature at which the working substance receives heat, T2 = Temperature of cooling water, and T3 = Evaporator temperature)

    • Options
    • A.
    • B.
    • C.
    • D.
    • Discuss
    • 3. If the tearing efficiency of a riveted joint is 50%, then ratio of rivet hole diameter to the pitch of rivets is

    • Options
    • A. 0.20
    • B. 0.30
    • C. 0.50
    • D. 0.60
    • Discuss
    • 4. An open belt drive is used when

    • Options
    • A. shafts are arranged parallel and rotate in the opposite directions
    • B. shafts are arranged parallel and rotate in the same directions
    • C. shafts are arranged at right angles and rotate in one definite direction
    • D. driven shaft is to be started or stopped whenever desired without interferring with the driving shaft
    • Discuss
    • 5. In a riveted joint, when the rivets in the various rows are opposite to each other, the joint is said to be

    • Options
    • A. chain riveted
    • B. zig-zag riveted
    • C. diamond riveted
    • D. none of these
    • Discuss
    • 6. In plunge grinding

    • Options
    • A. the work is reciprocated as the wheel feeds to produce cylinders longer than the width of wheel face
    • B. the work rotates in a fixed position as the wheel feeds to produce cylinders equal to or shorter than the width of wheel face
    • C. the work is reciprocated as the wheel feeds to produce cylinders shorter than the width of wheel face
    • D. the work rotates in a fixed position as the wheel feeds to produce cylinders longer than the width of wheel face
    • Discuss
    • 7. The abrasive recommended for grinding materials of high tensile strength is

    • Options
    • A. silicon carbide
    • B. aluminium oxide
    • C. sand stone
    • D. diamond
    • Discuss
    • 8. The unit of Young's modulus is same as that of stress.

    • Options
    • A. True
    • B. False
    • Discuss
    • 9. Glazing in grinding wheels can be decreased by

    • Options
    • A. using a harder wheel or by increasing the wheel speed
    • B. using a softer wheel or by decreasing the wheel speed
    • C. using a harder wheel or by decreasing the wheel speed
    • D. using a softer wheel or by increasing the wheel speed
    • Discuss
    • 10. Threading is an operation of

    • Options
    • A. smoothing and squaring the surface around a hole
    • B. sizing and finishing a small diameter hole
    • C. producing a hole by removing metal along the circumference of a hollow cutting tool
    • D. cutting helical grooves on the external cylindrical surface
    • Discuss


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