Fluid Mechanics: Fundamentals and Applications
Fluid Mechanics: Fundamentals and Applications
4th Edition
ISBN: 9781259696534
Author: Yunus A. Cengel Dr., John M. Cimbala
Publisher: McGraw-Hill Education
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Textbook Question
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Chapter 3, Problem 1CP

What is the difference between gage pressure and absolute pressure?

Expert Solution & Answer
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To determine

The difference between gauge pressure and absolute pressure.

Explanation of Solution

The Table below shows the difference between gauge pressure and absolute pressure.

    Gauge pressure
    		Absolute pressure
    1 The Gauge pressure is the pressure which is measured by taking atmospheric pressure as reference. 1 The Absolute pressure is the pressure which is measured by taking absolute vacuum as reference.
    2 It can be negative. 2 It cannot be negative.
    3 Gauge pressure is zero-referenced against ambient air pressure. 3 The Absolute pressure is zero referenced against perfect vacuum.

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Chapter 3 Solutions

Fluid Mechanics: Fundamentals and Applications

Ch. 3 - What is the difference between gage pressure and...Ch. 3 - A tinysteel cube is suspended in water by a...Ch. 3 - Explain why some people experience nose bleeding...Ch. 3 - Consider two identical fans, one at sea level and...Ch. 3 - Someone claims that the absolute pressure in a...Ch. 3 - Express Pascal’s law, and give a real-world...Ch. 3 - A pressure gage connected to a tank reads 500kPa...Ch. 3 - A vacuum gage connected to a chamber reads 25 kPa...Ch. 3 - The pressure at the exit of an air compressor is...Ch. 3 - A diver's watch resists an absolute pressure of...
Ch. 3 - Show that 1kgf/cm2=14.223psi .Ch. 3 - The pressure in a water line is 1500 kPa. 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