Thinking Like an Engineer: An Active Learning Approach (4th Edition)
Thinking Like an Engineer: An Active Learning Approach (4th Edition)
4th Edition
ISBN: 9780134639673
Author: Elizabeth A. Stephan, David R. Bowman, William J. Park, Benjamin L. Sill, Matthew W. Ohland
Publisher: PEARSON
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Chapter 18, Problem 1ICA

Create a written algorithm and flowchart to determine if a material is in the solid, liquid, or gaseous state given the temperature. The algorithm should acquire the name of the material, its freezing and boiling temperatures, and the actual temperature of the material from the user.

Expert Solution & Answer
Check Mark
To determine

Write an algorithm that determines the state of a material at a given temperature for user specified material, freezing point and boiling point.

Explanation of Solution

Known:

  • If the temperature is below freezing point, the material is in solid state.
  • If the temperature is above the boiling point, the material is in gaseous state.

Unknown:

  • The type of the material.
  • The freezing point of the material.
  • The boiling point of the material.

Assumptions:

  • Assume that the interpreter of the algorithm will input the type of material, freezing point of the material, boiling point of the material and the temperature of the material.

Algorithm:

  • Input the type of material, the numerical value of freezing point of the material, boiling point of the material and the temperature of the material.
  • Ask if the temperature of the material is less than the freezing point.
    1. a. If yes, state of the material is Solid.
    2. b. If no, ask if the temperature of the material is greater than the boiling point.
      1. 1. If yes, the state of the material is Gas.
      2. 2. If no, the state of the material is Liquid.
  • Display the type of the material and the state of the material at the given temperature.
  • End the process.

Rules for creating a proper linear flowchart are as follows.

  • The flowchart contains START rectangle to mention the beginning of a process.
  • All the actions must be mentioned within rectangles.
  • Connection between the blocks must be mentioned with a one-directional arrow.
  • The flowchart contains END rectangle to mention the end of a process.

Flowchart to determine the state of a material is given in Figure 1.

Thinking Like an Engineer: An Active Learning Approach (4th Edition), Chapter 18, Problem 1ICA

Conclusion:

Hence, the algorithm and the flowchart that determines the state of a material at a given temperature are created.

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Chapter 18 Solutions

Thinking Like an Engineer: An Active Learning Approach (4th Edition)

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