Formation of slider crank mechanism - Basic Mechanical Engineering

Q.  Which of the following statements is/are true for mechanisms?
- Published on 02 Sep 15

a. A slider crank mechanism is formed, if one link in slider crank chain is fixed
b. Three kinematic links joined together forms a mechanism
c. Kinematic chain is a part of kinematic pair
d. All of the above

ANSWER: A slider crank mechanism is formed, if one link in slider crank chain is fixed

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    Discussion

  • Sravanthi    -Posted on 12 Nov 15
    - Three kinematic links joined together forms a structure.

    - A mechanism is formed if one link in the kinematic chain is fixed. Every mechanism forms a kinematic chain but every kinematic chain is not a mechanism.

    - Kinematic chain is not a part of kinematic pair. Kinematic pair is formed when two links or elements are connected and have constrained motion. It forms a part of kinematic chain.

    - Kinematic link is defined as the resistant body which moves relative to another resistant body.

    - By fixing different links of a chain, different inversions of slider crank chain can be obtained.

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