Menu
Home / Mechanical Engineering / Machine Design :: Section 1

Mechanical Engineering :: Machine Design

Machine Design - Section 1
Machine Design - Section 2
Machine Design - Section 3
Machine Design - Section 4
Machine Design - Section 5
Machine Design - Section 6
Machine Design - Section 7
Machine Design - Section 8

  1. In a hydrodynamic lubricated bearing

    2. A.

    there is a thick film of lubricant between the journal and the bearing
    B.

    there is a thin film of lubricant between the journal and the bearing
    C.

    there is no lubricant between the journal and the bearing
    D.

    the lubricant is forced between the journal and the bearing, by external pressure

    View Answer

    Workspace

    Discuss Discuss in Forum

  2. Which of the following statement is correct for gears?

    3. A.

    The addendum is less than dedendum
    B.

    The pitch circle diameter is equal to the product of module and number of teeth
    C.

    The pitch circle is always greater than the base circle
    D.

    all of the above

    View Answer

    Workspace

    Discuss Discuss in Forum

  3. A flanged pipe joint will be a leak-proof joint, if the circumferential pitch of the bolts is (where d = Diameter of bolt hole)

    4. A.

    less than 20 \(\sqrt {d}\)
    B.

    greater than 30 \(\sqrt {d}\)
    C.

    between 20 \(\sqrt {d}\) and 30 \(\sqrt {d}\)
    D.

    equal to inside diameter of pipe

    View Answer

    Workspace

    Discuss Discuss in Forum

  4. Stress concentration is caused due to

    5. A.

    variations in load acting on a member
    B.

    variations in properties of materials in a member
    C.

    abrupt change of cross-section
    D.

    all of these

    View Answer

    Workspace

    Discuss Discuss in Forum

  5. The resistance to fatigue of a material is measured by

    6. A.

    elastic limit
    B.

    Young's modulus
    C.

    ultimate tensile strength
    D.

    endurance limit

    View Answer

    Workspace

    Discuss Discuss in Forum

Java Programming Questions and Answers Interview Questions and Answers