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

21. The valve gear which does not call for eccentric is known as.......

   A.Meyer expansion valve gear

   B.Hockworth valve gear

   C.Walsharet valve gear

   D.joy valve gear

   E.all of the above

22. Pitch circle diameter of an involute gear is.......

   A.independent of any other element

   B.dependent of pressure angle

   C.constant for a set of meshing gears

   D.proportional to base diameter

   E.none of the above

23. Which is false statement about cycloidal gears.......

   A.interference exists

   B.complex profile and less flexible

   C.have spreading flanks

   D.less wear

   E.ease in transmitting pulsating loads

24. In hydrostatic bearing,pressure to lubricant is supplied by.......

   A.external force

   B.partially external and partially from rotation of journal

   C.not supplied by external source

   D.shaft driven pump

   E.none of the above

25. Purpose of using differential gear in automobile is to.......

   A.control speed

   B.avoid jerks

   C.help in turning

   D.obtain rear movement

   E.none of the above

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