A. have line contact
B. have surface contact
C. permit relative motion
D. are held together
E. have dynamic forces
Related Mcqs:
- Kinematic pairs are those which have__________________?
A. point or line contact between the two elements when in motion
B. surface contact between the two ele-ments when in motion
C. elements of pairs not held together mechanically
D. two elements that permit relative mo-tion
E. none of the above - Kinematic pairs are those which have___________________?
A. two elements held together mechani-cally
B. two elements having relative motion
C. two elements having Coroili’s com-ponent
D. minimum of two instantaneous centres
E. all of the above - Elements of pairs held together mechanically is known as ___________________?
A. closed pair
B. open pair
C. mechanical pair
D. rolling pair
E. none of the above - 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
E. unpredictable - For a kinematic chain to be considered as mechanism___________________?
A. two links should be fixed
B. one link should be fixed
C. none of the links should be fixed
D. there is no such criterion
E. none of the above - A kinematic chain requires at least________________________?
A. 2 links and 3 turning pairs
B. 3 links and 4 turning pairs
C. 4 links and 4 turning pairs
D. 5 links and 4 turning pairs
E. none of the above - In a mechanism, usually one link is fixed. If the fixed link is changed in a kinematic chain, then relative motion of other links_________________?
A. will remain same
B. will change
C. could change or remain unaltered depending oh which link is fixed
D. will not occur
E. none of the above - 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
E. none of the above - A typewriter mechanism has 7 number of binary joints, six links and none of higher pairs. The mechanism is________________?
A. kinematically sound
B. not sound
C. soundness would depend upon which link is kept fixed
D. data is not sufficient to determine same
E. none of the above - “Open pairs are those which have__________________?
A. point or line contact between the two elements when in motion
B. surface contact between the two ele-ments when in motion
C. elements of pairs not held together mechanically
D. two elements that permit relative motion
E. none of the above
