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
Related Mcqs:
- 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 - Relationship between the number of links (L) and number of pairs (P) is___________________?
A. P = 2L-4
B. P = 2L + 4
C. P = 2L+2
D. P = 2L-2
E. P = L-4 - Kinematic pairs are those which have two elements that ______________?
A. have line contact
B. have surface contact
C. permit relative motion
D. are held together
E. have dynamic forces - 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 - 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 - 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 - 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 - “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 - In higher pair, the relative motion is_____________________?
A. purely turning
B. purely sliding
C. purely rotary
D. purely surface contact
E. combination of sliding and turning - The example of higher pair is_________________?
A. belt, rope and chain drives
B. gears, cams
C. ball and roller bearings
D. all of the above
E. none of the above