A. bulky
B. wears rapidly
C. difficult to manufacture
D. A. and B. above
E. A. and C. above
0
Hart mechanism has________________?
0
“Open pairs are those which have__________________?
A. eight links
B. six links
C. four links
D. twelve links
E. five links
0
A cam with a roller follower would con stitute following type of pair______________?
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
0
Higher pairs are those which have_________________?
A. lower pair
B. higher pair
C. open pair
D. close pair
E. cam pair
0
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
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