Theory of Machine | Theory of Machine Objective Type Questions and answers


31. Bevel gears are used to transmit rotary motion between two shafts whose axes are .......


   A.parallel

   B.non-intersecting

   C.non-coplaner

   D.any of the above

   E.none of the above


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E.none of the above

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32. The transverse section of a helical gear is identical to.......


   A.bevel gear

   B.spur gear

   C.worm gear

   D.all of the above

   E.none of the above


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B.spur gear

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33. The surface of the gear tooth below the pitch surface is called.......


   A.bottom tooth

   B.face

   C.flank

   D.dedendum portion

   E.tooth depth


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C.flank

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34. Gears are considered to be medium velocity type if there peripheral velocity lies in the range of.......


   A.1-3 m/sec

   B.3-15 m/sec

   C.15-25 m/sec

   D.25-50 m/sec

   E.none of the above


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B.3-15 m/sec

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35. In an involute gear, the normal to the involute is tangent to the.......


   A.pitch circle

   B.base circle

   C.addendum circle

   D.dedendum circle

   E.average of addendum and dedendum circles


✔ View Answer


B.base circl

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