6.2 Steam initially dry and at 1.5 MPa is expanded adiabatically in a nozzle to7.5 KPa. Find the dryness fraction and velocity of steam at the exit. If the exitdiameter of the nozzles is 12.5 mm, find the mass of steam discharged perhour.

given:initial pressure p1=1.5mpafinal pressure p2=7.5kpaexit diameter dexit=12.5mm

Answered: tially dry and at 1.5 MPa is ex ind the…

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tially dry and at 1.5 MPa is ex ind the dryness fraction and ve

Elements Of Electromagnetics

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Author:Sadiku, Matthew N. O.

Publisher:Sadiku, Matthew N. O.

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Properties of Pure Substances

A substance with fixed chemical composition throughout is called a pure substance like water, air, and nitrogen. A pure substance does not have to be a single element or compound. A mixture of two or more phases of a pure substance is also a pure substance as long as the chemical composition is the same for all phases. These substances mainly have a constant/ uniform composition. The substances also have fixed boiling and melting points. A pure substance takes part in a chemical reaction to form predictable products.

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6.2 Steam initially dry and at 1.5 MPa is expanded adiabatically in a nozzle to
7.5 KPa. Find the dryness fraction and velocity of steam at the exit. If the exit
diameter of the nozzles is 12.5 mm, find the mass of steam discharged per
hour.

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