Higher pairs are those which have_________________?

Higher 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

“Open pairs are those which have__________________?

“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

An eccentric sheave pivoted at one point rotates and transmits oscillatory motion to a link whose one end is pivoted and other end is connected to it. This mechanism has___________________?

An eccentric sheave pivoted at one point rotates and transmits oscillatory motion to a link whose one end is pivoted and other end is connected to it. This mechanism has___________________?

A. 2 links
B. 3 links
C. 4 links
D. 5 links
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_________________?

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