MECHANICAL ENGINEERING TERMS:- 1.)TRIPPLE POINT – The temperature and pressure at which a substance can exist simultaneously in solid, liquid and vapour forms. 2.)UNSTEADY FLOW SYSTEM– is an open system in which the rate of mass transfer and energy transfer vary with respect to time. 3.)VACUUM – A space devoid of matter, that is, a space in which the pressure is zero absolute. 4.)VAPOURIZATION – Change of state from liquid to vapour or gas. 5.)VAPOUR PRESSURE – Pressure exerted by the vapour of any particular liquid on the containing vessel, as a result of the molecules near its surface freeing themselves from the attraction of their neighbours and flying off into space. Its magnitude depends solely on the temperature of the liquid surface.
Posted on: Sun, 13 Jul 2014 15:30:00 +0000
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