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

Related Mcqs:

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

   A. triangle
   B. rectangle
   C. parallelogram
   D. pentagon
   E. trapezoid

2. The direction of Corioli’s component of acceleration is the direction _____________________?

   A. of relative velocity vector for the two coincident points rotated by 90° in the direction of the angular velocity of the rotation of the link
   B. along the centripetal acceleration
   C. along tangential acceleration
   D. along perpendicular to angular velocity
   E. none of the above.

3. 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

4. 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

5. 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

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

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

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. Which of the following disciplines provides study of the relative motion between the parts of a machine and the forces acting on the parts___________________?

    A. theory of machines
    B. applied mechanics
    C. mechanisms
    D. kinetics
    E. kinematics