# A very important part of a performance test on an A/C system is a pressure test. Pressure also is the key to the operation of the system. Which of the following statements is not true? Pressure on a substance, such as a liquid, changes its boiling point. The greater the pressure on a liquid, the higher the boiling point. If pressure is placed on a liquid, the liquid freezes at a higher-than-normal temperature. The boiling point can be increased by increasing the pressure on the fluid. It can also be decreased by reducing the pressure or placing the fluid in a vacuum.

### Automotive Technology: A Systems A...

6th Edition
Jack Erjavec + 1 other
Publisher: Cengage Learning
ISBN: 9781133612315

### Automotive Technology: A Systems A...

6th Edition
Jack Erjavec + 1 other
Publisher: Cengage Learning
ISBN: 9781133612315

#### Solutions

Chapter
Section
Chapter 55, Problem 10RQ
Textbook Problem

## A very important part of a performance test on an A/C system is a pressure test. Pressure also is the key to the operation of the system. Which of the following statements is not true? Pressure on a substance, such as a liquid, changes its boiling point. The greater the pressure on a liquid, the higher the boiling point.If pressure is placed on a liquid, the liquid freezes at a higher-than-normal temperature.The boiling point can be increased by increasing the pressure on the fluid. It can also be decreased by reducing the pressure or placing the fluid in a vacuum.

Expert Solution
To determine

The incorrect statement about pressure test.

### Explanation of Solution

Given:

Option a: Pressure on a substance, such as a liquid, changes its boiling point.

Option b: The greater the pressure on a liquid, the higher the boiling point.

Option c: If pressure is placed on a liquid, the liquid freezes at a higher-than-normal temperature.

Option d: The boiling point can be increased by increasing the pressure on the fluid. It can also be decreased by reducing the pressure or placing the fluid in a vacuum.

Pressure on a substance is the application of external force per unit area on the liquid. Application of external pressure is directly affect the boiling point of the liquid...

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