Related Questions

In a mechanism, the fixed instantaneous centers are those centers which
A Remain in the same place for all configurations of the mechanism
B Vary with the configuration of the mechanism
C Moves as the mechanism moves, but joints are of permanent nature
D None of the above
In a drag link quick return mechanism, the shortest link is always fixed. The sum of the shortest and longest link is
A equal to sum of other two
B greater than sum of other two
C less than sum of other two
D none of the mentioned
The number of links and instantaneous centers in a reciprocating engine mechanism are
A 4,4
B 4,5
C 5,4
D 4,6
The total number of instantaneous centers for a mechanism consisting of n links are
A $$\frac{{\text{n}}}{2}$$
B n
C n - 1
D $$\frac{{{\text{n}}\left( {{\text{n}} - 1} \right)}}{2}$$
The instantaneous centers which vary with the configuration of mechanism are called
A Permanent instantaneous centers
B Fixed instantaneous centers
C Neither fixed nor permanent instantaneous centers
D None of the above
Instantaneous center of rotation of a link in a four bar mechanism lies on
A right side pivot of this link
B left side pivot of this link
C a point obtained by intersection on extending adjoining links
D none of the mentioned
According to Kennedy's theorem, if three bodies move relatively to each other, their instantaneous centers will lie on a
A Straight line
B Parabolic curve
C Triangle
D Rectangle
According to Kennedy's theorem, if three bodies have plane motions, their instantaneous centers lie on
A A triangle
B A point
C Two lines
D A straight line
Total no of instantaneous centers of a machine having ‘n’ links, is
A $$\frac{{\text{n}}}{2}$$
B n
C (n - 1)
D $$\frac{{{\text{n}}\left( {{\text{n}} - 1} \right)}}{2}$$
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 will not occur
D none of the mentioned

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