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

26. Rectangular bar in a rectangular hole is the following type of pair.......

   A.completely constrained motion

   B.partially constrained motion

   C.incompletely constrained motion

   D.freely constrained motion

   E.none of the above

27. Shaft revolving in a bearing is the following type of pair.......

   A.lower pair

   B.higher pair

   C.spherical pair

   D.cylindrical pair

   E.bearing pair

28. Lower pair are those which have.......

   A.point or line contact between the two elements when in motion

   B.surface contact between the two elements when in motion

   C.elements of pairs not held together mechanically

   D.two elements that permit relative motion

   E.none of the above

29. A pantograph is a mechanism with.......

   A.lower pairs

   B.higher pairs

   C.rolling pairs

   D.turning pairs

   E.spherical pairs

30. Cross head and guides from a.......

   A.lower pair

   B.higher pair

   C.turning pair

   D.rolling pair

   E.sliding pair

< 1 2 3 4 5 6 7 Next>