4) Refrigerant 134a is contained in a piston-cylinder assembly, initially as saturated vapor. The refrigerant is slowly heated until its temperature is 160 °C. During the process, the piston moves smoothly in the cylinder. For the refrigerant, evaluate the work, in kJ/kg. Patm = 1 bar Weight = 471.1 N D = 0.02 m Piston -Initial: Saturated vapor Final: T2 = 160°C Refrigerant 134a

4) Refrigerant 134a is contained in a piston-cylinder assembly, initially as saturated vapor. The refrigerant is slowly heated until its temperature is 160 °C. During the process, the piston moves smoothly in the cylinder. For the refrigerant, evaluate the work, in kJ/kg. Patm = 1 bar Weight = 471.1 N D = 0.02 m Piston -Initial: Saturated vapor Final: T2 = 160°C Refrigerant 134a

Elements Of Electromagnetics

7th Edition

ISBN:9780190698614

Author:Sadiku, Matthew N. O.

Publisher:Sadiku, Matthew N. O.

ChapterMA: Math Assessment

Section: Chapter Questions

Problem 1.1MA

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Concept explainers

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.

Question

4) Refrigerant 134a is contained in a
piston-cylinder assembly, initially as
saturated vapor. The refrigerant is slowly
heated until its temperature is 160 °C.
During the process, the piston moves
smoothly in the cylinder. For the
refrigerant, evaluate the work, in kJ/kg.
Patm = 1 bar
Weight = 471.1 N
D = 0.02 m
Piston
-Initial: Saturated vapor
Final: T2 = 160°C
Refrigerant 134a

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