If the opposite links of a four bar linkage are equal, the links will always form a_________________?

Related Mcqs:

1. If there are L number of links in a mechanism then number of possible inversions is equal to_______________?

   A. L + 1
   B. L – 1
   C. L
   D. L + 2
   E. L – 2

2. The number of links in pantograph mechanism is equal to______________?

   A. 2
   B. 3
   C. 4
   D. 5
   E. 6.

3. Instantaneous center of rotation of a link in a four bar mechanism lies on _______________?

   A. right side pivot of this link
   B. lift side pivot of this link
   C. a point obtained by intersection on extending adjoining links
   D. can’t occur
   E. none of the above

4. In a four-bar chain it is required to give an oscillatory motion to the follower for a continuous rotation of the crank. For the lengths of 50 mm of crank and 70 mm of the follower, determine theoretical maximum length of coupler. The distance between fixed pivots of crank and followers is________________________?

   A. 95 mm
   B. slightly less than 95 mm
   C. slightly more than 95 mm
   D. 45 mm
   E. none of the above

5. 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

6. If some links are connected such that motion between them can take place in more than one direction, it is called_______________?

   A. incompletely constrained motion
   B. partially constrained motion
   C. completely constrained motion
   D. successfully constrained motion
   E. none of the above

7. 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

8. 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

9. The number of links and instantaneous centers in a reciprocating engine mechanism are ___________________?

   A. 4, 4
   B. 4, 5
   C. 5, 4
   D. 6, 4
   E. 4, 6

10. A circular bar moving in a round hole is an example of_______________?

    A. incompletely constrained motion
    B. partially constrained motion
    C. completely constrained motion
    D. successfully constrained motion
    E. none of the above