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

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

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

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

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

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