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Mechanical Engineering :: Machine Design

  1. In helical gears, the distance between similar faces of adjacent teeth along a helix on the pitch cylinders normal to the teeth, is called

  2. A.

    normal pitch

    B.

    axial pitch

    C.

    diametral pitch

    D.

    module


  3. The longitudinal joint in boilers is used to get the required

  4. A.

    length of boiler

    B.

    diameter of boiler

    C.

    length and diameter of boiler

    D.

    efficiency of boiler


  5. The Lewis equation for gear tooth with involute profile predicts the static load capacity of cantilever beam of uniform strength.

  6. A.

    True

    B.

    False


  7. A basic shaft is one whose

  8. A.

    lower deviation is zero

    B.

    upper deviation is zero

    C.

    lower and upper deviations are zero

    D.

    none of these


  9. When the effort is in between the fulcrum and load, the lever is said to be of third type.

  10. A.

    Correct

    B.

    Incorrect