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Mechanical Engineering :: Machine Design

  1. Which of the following formula is used in designing a connecting rod ?

  2. A.

    Euler's formula

    B.

    Rankine's formula

    C.

    Johnson's straight line formula

    D.

    Johnson's parabolic formula


  3. When a material is subjected to fatigue loading, the ratio of the endurance limit to the ultimate tensile strength is

  4. A.

    0.20

    B.

    0.35

    C.

    0.50

    D.

    0.65


  5. The lead angle of a worm is 22.5°. Its helix angle will be

  6. A.

    22.5°

    B.

    45°

    C.

    67.5°

    D.

    90°


  7. The root angle of a bevel gear is equal to

  8. A.

    pitch angle - addendum angle

    B.

    pitch angle + addendum angle

    C.

    pitch angle - dedendum angle

    D.

    pitch angle + dedendum angle


  9. A thin spherical shell of internal diameter d is subjected to an internal pressure p. If V is the storage capacity of shell, then its diameter will be

  10. A.

    \((\frac{ 6 V } { n } ) ^{1/2} \)

    B.

    \((\frac{ 6 V } { n } ) ^{1/3} \)

    C.

    \((\frac{ 6 V } { n } ) ^{2} \)

    D.

    \((\frac{ 6 V } { n } ) ^{3} \)