How the lubricants reduce the friction

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How the lubricants reduce the friction and wear characteristics of the parts in contact?

Reference no: EM13217786

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How the lubricants reduce the friction : How the lubricants reduce the friction and wear characteristics of the parts in contact?
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Sketch the passage shape : At a section in a passage, the pressure is 150 kPa (abs), the temperature is 10 deg C, and the speed is 120 m/s. For isentropic flow of air, determine the Mach number at the point where the pressure is 50 kPa (abs). Sketch the passage shape.

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