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# ME8492 Important Questions Kinematics Of Machinery

## Sample ME8492 Important Questions Kinematics Of Machinery:

1. What is Kinematics?
Kinematics is the study of motion (position, velocity, acceleration). A major goal of Understanding kinematics is to develop the ability to design a system that will satisfy Specified motion requirements. This will be the emphasis of this class.

2. What is Kinetics?
Kinetics is the study of effect of forces on moving bodies. Good kinematic design should produce good kinetics. ME8492 Important Questions Kinematics Of Machinery

A link is defined as a member or a combination of members of a mechanism connecting other members and having relative motion between them. The link may consist of one or more resistant bodies. A link may be called as kinematic link or element. Eg: Reciprocating steam engine. ME8492 Important Questions Kinematics Of Machinery

4. Define Kinematic Pair.
Kinematic pair is a joint of two links having relative motion between them. The types of kinematic pair are classified according to
 Nature of contact (lower pair, higher pair) 
 Nature of mechanical contact (Closed pair, unclosed pair) 
 Nature of relative motion (Sliding pair, turning pair, rolling pair, screw pair, spherical pair)  ME8492 Important Questions Kinematics Of Machinery

5. Define Kinematic Chain
When the kinematic pairs are coupled in such a way that the last link is joined to the first link to transmit definite motion it is called a kinematic chain.
Eg: The crank shaft of an engine forms a kinematic pair with the bearings which are fixed in a pair, the connecting rod with the crank forms a second kinematic pair, the piston with the connecting rod forms a third pair and the piston with the cylinder forms the fourth pair. The total combination of these links is a kinematic chain. Eg: Lawn mower. ME8492 Important Questions Kinematics Of Machinery

 Subject name Kinematics Of Machinery Short Name KOM Semester 4 Subject Code ME8492 Regulation 2017 regulation

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