Basic Mechanical Engineering - Mechanical Engineering (MCQ) questions and answers for Q. 8820

Q.  Which gears are used to connect two intersecting shaft axes?
- Published on 01 Sep 15

a. Crossed helical gear
b. Worm and worm wheel
c. Bevel gears
d. All of the above

ANSWER: Bevel gears

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    Discussion

  • Shwet    -Posted on 28 Sep 20
    Perpendicular shaft can be connecting by which drive?
  • Sravanthi   -Posted on 06 Nov 15
    - Bevel gears are used to connect two intersecting shaft axes. These gears are used for reduction ratio upto 6:1.

    - Based on geometry these gears are classified as:

    1) Straight bevel gears: These gears have conical pitch surface which have straight teeth tapered towards apex.

    2) Spiral bevel gears: These gears have curved teeth which have tooth contact gradual and smooth.

    3) Hypoid bevel gears: These gears are similar to spiral gears but have hyperbolic pitch surfaces. Hypoid gears are used in automobile rear axle.

    4) Zero bevel gear: These gears are similar to bevel gears but have curved teeth and tooth ends are coplanar with the axis.

    - Worm gears are used to connect non-intersecting and perpendicular axes.

    - Crossed helical gears are used to connect non-intersecting and non-parallel axes.

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