MET308 Final Quizizz Lesson

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Physics, Chemistry

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University

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Medium

Professor Tomforde

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8 Slides • 7 Questions

MET308 Final Quizizz Lesson

Quiz 5 will cover

Chapters 19 and 20: Forced and Natural Convection
Chapter 21: Radiation
Chapter 22: Heat exchangers

Multiple Choice

Blowing on your taco bell to cool it down is an example of

forced convection

natural convection

radiation

conduction

forced convection

is convection with external flow control.

you can control how hard you blow on it!

natural convection

would occur anyway without your doing anything.

Multiple Choice

We need the grashof number when the problem involves

natural convection

forced convection

conduction

the grashof number helps us quantify the buoyant effects

These currents are what cause natural convection

Multiple Choice

the nusselt number helps us find what?

the convective heat transfer coefficient, h

the thermal conductivity, k

the prandtl number, Pr

the view factor F

things we can find in tables

thermal conductivity, k
the prandtl number, Pr
the viscosity, $\nu$

we cannot find h in tables

bummer!

Multiple Select

check ALL that apply: which of these can we find in charts?

the view factor

the air velocity

number of transfer units, NTU

moody friction factor

Fill in the Blanks

Type answer...

Multiple Choice

This picture shows

parallel-flow

counter-flow

the equations needed for calculating lmtd changes!

Counter flow and parallel flow define $\Delta T_1,\ \Delta T_2$ differently.

Open Ended

what topic are you most confident on for quiz 5?

Type response here

MET308 Final Quizizz Lesson

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