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Residence Time and Distribution Quiz

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Questions and Answers

What is the residence time of a fluid parcel?

The time it takes for a parcel to exit a control volume

The average time spent outside a control volume

The time it takes for a parcel to enter a control volume

The total time that the parcel has spent inside a control volume (correct)

What is residence time distribution (RTD) quantified in terms of?

Frequency distribution of the residence time in the set (correct)

Total volume of the fluid parcel

Total distance traveled by the fluid parcel

Average speed of the fluid parcel

Who formulated the modern concept of residence time?

Peter Danckwerts (correct)

Louis Pasteur

Marie Curie

Irving Langmuir

What is known as the age of a particle of fluid in a control volume?

<p>The time that a particle has been in the control volume</p> Signup and view all the answers

In what models did the concept of residence time originate?

<p>Models of chemical reactors</p> Signup and view all the answers

Study Notes

Residence Time

The residence time of a fluid parcel is the amount of time it spends within a system or control volume.
Residence time distribution (RTD) is quantified in terms of the distribution of residence times of fluid parcels within the system.

Concept Origin

The modern concept of residence time was formulated by Danckwerts.
The concept of residence time originated in the models of ideal continuous stirred-tank reactors and plug flow reactors.

Age of a Particle

The age of a particle of fluid in a control volume is also known as the residence time.

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Description

Test your knowledge about the residence time of fluid parcels and its distribution within control volumes. Explore the importance of residence time in chemistry, environmental science, and pharmacology.