29. Sense of-tangential acceleration of a link
A.Is same as that of velocity
B.Is opposite to that of velocity
C.Could be either same or opposite to velocity
D.Is perpendicular to_that of velocity

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30. A mechanism is an assemblage of
A.Two links
B.Three links
C.Four links or more than four links
D.All of the above

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31. The number of links in pantograph mechanism is equal to
A.2
B.3
C.4
D.5

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32. Elements of pairs held together mechanically is known as
A.Closed pair
B.Open pair
C.Mechanical pair
D.Rolling pair

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33. Shaft revolving in a bearing is the following type of pair
A.Lower pair
B.Higher pair
C.Spherical pair
D.Cylindrical pair

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34. 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

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35. A foot step bearing and rotor of a vertical turbine form examples of
A.Incompletely constrained motion
B.Partially constrained motion
C.Completely constrained motion
D.Successfully constrained motion

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