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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.
Draw a graph of velocity and shear stress distribution profile for viscous flow between two parallel plates.
How a governor works? I mean how it''s regulate the speed of for example electricity generators?
Platforms: Platforms are places where trains stop and passengers entrain and detrain. For BG operations, the length of the platform should be about 30 m. Figure gives the
Classification of system - Thermodynamics: (1) Kitchen refrigerator, (2) Ceiling fan (3) Thermometer in mouth (4) Air compressor (5) Pressure Cooker (6) Carburetor (7) R
Explain Young's Modulus or Modulus of elasticity? Sol. : It is ratio between tensile stress and tensile strain or compressive stress and compressive strain. It can be denote
what is tangential force in metal cutting
Classification of system of forces
Find maximum torque which can be transmitted by belt drive: A belt is stretched over the two identical pulleys having diameter D meter. The initial tension in belt throughout
Compressive Stress: The stress induced in a body, when subjected to two equal and opposite pushes as shown in figure (a) as a result of which there is an decrease in length
Definition of stepped pulley
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