### Problem Statement:**1. 100 kg of R-134a initially fill a weighted piston-cylinder device at 60 kPa and -20°C. The device is then heated until the temperature is 136°C and the piston is compressed to 700 kPa. Determine the change in the device’s volume as a result of the heating.**### Diagram Description:The accompanying diagram illustrates a weighted piston-cylinder device containing 100 kg of R-134a, a refrigerant. The initial states of the refrigerant are:- Pressure: 60 kPa- Temperature: -20°CThe device undergoes a heating process, which results in the following final states:- Temperature: 136°C- Pressure: 700 kPaThe diagram shows a piston in a cylinder with labels indicating the initial and final states of pressure, temperature, and mass of the refrigerant.### Solution Approach:The problem requires finding the change in volume of the piston-cylinder device as a result of heating. To solve this, the following steps should be taken:1. **Determine Initial Specific Volume:** - Use R-134a refrigerant tables or thermodynamic properties to find the specific volume (v1) at the initial state (60 kPa, -20°C).2. **Determine Final Specific Volume:** - Use R-134a refrigerant tables or thermodynamic properties to find the specific volume (v2) at the final state (700 kPa, 136°C).3. **Calculate Initial and Final Volumes:** - Initial Volume (V1): Multiply the specific volume (v1) by the mass of the refrigerant (100 kg). - Final Volume (V2): Multiply the specific volume (v2) by the mass of the refrigerant (100 kg).4. **Determine Volume Change:** - Change in Volume (ΔV): Subtract the initial volume (V1) from the final volume (V2).### Refrigerant Properties:These can be found in property tables for R-134a like saturated refrigerant temperature/pressure tables or superheated tables.### Example Calculation:(Example numbers will vary based on actual property tables used)### Using R-134a Property Tables:1. **Find initial specific volume (v1):** - Suppose v1 = 0.2875 m³/kg (hypothetical value from tables for 60 kPa, -20

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1. 100 kg of R-134a initially fill a weighted piston-cylinder device at 60 kPa and -20°C. The device is then heated until the temperature is 136°C and the piston is compressed to 700 kPa. Determine the change in the device's volume as a result of the heating. R-134a 60 kPa -20 °C 100 kg

1. 100 kg of R-134a initially fill a weighted piston-cylinder device at 60 kPa and -20°C. The device is then heated until the temperature is 136°C and the piston is compressed to 700 kPa. Determine the change in the device's volume as a result of the heating. R-134a 60 kPa -20 °C 100 kg

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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