A Best Way To Crack Gorenment Job Exams

Mechanical Engineering Objective Questions { Theory of Machines }



71. A cam with a roller follower would constitute following type of pair
A.Lower pair
B.Higher pair
C.Open pair
D.Close pair

72. The approximate straight line mechanism is a
A.Four bar linkage
B.6 bar linkage
C.8 bar linkage
D.3 bar linkage

73. Open 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

74. Peaucellier mechanism has
A.Eight links
B.Six links
C.Four links
D.Twelve links

75. Hart mechanism has
A.Eight links
B.Six links
C.Four links
D.Twelve links

76. A chain comprises of 5 links having 5 joints. Is it kinematic chain ?
A.Yes
B.No
C.It is a marginal case
D.Data are insufficient to determine it

77. The main disadvantage of the sliding pair is that it is
A.Bulky
B.Wears rapidly
C.Difficult to manufacture
D.(a) and (b) above

Page 11 of 43

« 9 10  11  1213 »

Subjects