Kinematics of Machinery SPPU Insem Question Paper Mar 2024

Questions

1. Q1

   1. a)

      Define Kinematic pair and explain its types.

      [6]
   2. b)

      For Kinematic linkage shown in Figure 1, calculate the following : i) The number of Binary links ii) The number of Ternary links iii) The number of Quaternary links iv) The number of Binary, Ternary Quaternary joints v) Number of lower pairs vi) Number of higher pairs vii) Degree of freedom. Also comment on the degree of freedom.

      [9]
   OR

2. Q2

   1. a)

      Define higher pair. Explain with the help of neat sketch any two examples of mechanisms with higher pair.

      [6]
   2. b)

      Define ‘Inversion’. List the various inversions of a single slider crank chain and explain any two inversions with neat sketches, giving their practical applications.

      [9]

3. Q3

   1. a)

      What is loop closure equation? Derive the same for Single Slider Crank mechanism.

      [6]
   2. b)

      The crank and connecting rod of a steam engine are 0.3 m and 1.5 m in length. The crank rotates at 180 r.p.m. clockwise. Determine the velocity and acceleration of the piston when the crank is at 40 degrees from the inner dead center position. Also determine the position of the crank for zero acceleration of the piston.

      [9]
   OR

4. Q4

   1. a)

      Explain Vector algebra method, of velocity and acceleration analysis of Binary link.

      [6]
   2. b)

      This part has equations that don’t show as text. Open the PDF to read it.

      [9]