The number of possible inversions for a mechanism with 10 numbers of links will be:

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SSC JE ME Previous Paper 10 (Held on: 11 December 2020 Morning)
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  1. 5
  2. 0
  3. 2
  4. 10

Answer (Detailed Solution Below)

Option 4 : 10
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Explanation:

Inversion:

  • If one of the links is fixed in a kinematic chain, it is called a mechanism. So, we can obtain as many mechanisms as the number of links (n inversions from a kinematic chain having an ‘n’ number of links) in a kinematic chain.
  • This method of obtaining different mechanisms by fixing different links in a kinematic chain is known as the inversion of the mechanism.
  • In This question, as there are 10 links, hence there will be 10 possible inversions.
  • In the process of inversion, the relative motions of the links of the mechanisms produced remain unchanged.

Additional Information

INVERSION

Four Bar Chain Mechanism

  • Beam Engine (crank and lever mechanism)
  • Coupling rod of a locomotive (double crank mechanism)
  • Watt’s Indicator (Double lever mechanism)

Single Slider Crank Mechanism

  • First Inversion
    • Reciprocating engine or compressor.
  • Second Inversion
    • Whitworth quick return mechanism, Rotary I.C. engine (Gnome engine) etc.
  • Third Inversion
    • Slotted crank mechanism, Oscillatory engine.
  • Fourth Inversion
    • Hand pump, Pendulum pump or Bull engine.

Double Slider Crank Mechanism

  • Elliptical trammels.
Latest SSC JE ME Updates

Last updated on May 28, 2025

-> SSC JE ME Notification 2025 will be released on June 30. 

-> The SSC JE Mechanical engineering application form will be available from June 30 to July 21. 

-> SSC JE 2025 CBT 1 exam for Mechanical Engineering will be conducted from October 2 to 31. 

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-> Candidates must refer to the SSC JE Previous Year Papers and SSC JE Civil Mock Test, SSC JE Electrical Mock Test, and SSC JE Mechanical Mock Test to understand the type of questions coming in the examination.

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