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a) State FOUR factors that affect the effectiveness of hydrodynamic lubrication as a means of reducing friction between components.
b) Under what conditions would boundary lubrication be used rather than hydrodynamic lubrication and what would cause this to happen?
c) Briefly describe THREE uses of lubricants other than for lubrication.
what is function of orifice
Con e of Friction: When the body is having impending motion in direction of P , the frictional force will be limiting friction and the resultant reaction R wil
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