A Best Way To Crack Gorenment Job Exams

Mechanical Engineering Objective Questions { Theory of Machines }



64. Lower pairs 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

65. A point on a link connecting double slider crank chain traces a
A.Straight line
B.Ellipse.
C.Parabola
D.Hyperbola

66. A pantograph is a mechanism with
A.Lower pairs
B.Higher pairs
C.Rolling pairs
D.Turning pairs

67. Kinematic pairs 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

68. If the opposite links of a four bar linkage are equal, the links will always form a
A.Triangle
B.Rectangle
C.Parallelogram
D.Pentagon

69. Higher pairs 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

70. A cam mechanism imparts following motion
A.Rotating
B.Oscillating
C.Reciprocating
D.All of the above

Page 10 of 43

« 8 9  10  1112 »

Subjects