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Ivanshal [37]
3 years ago
6

Consider laminar, fully developed flow in a channel of constant surface temperature Ts. For a given mass flow rate and channel l

ength, determine which rectangular channel, b/a = 1.0, 1.43, or 2.0, will provide the highest heat transfer rate. Is this heat transfer rate greater than, equal to, or less than the heat transfer rate associated with a circular tube? answer: b/a=2

Engineering
1 answer:
Pachacha [2.7K]3 years ago
8 0

Answer:

Please see attachment.

Explanation:

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In a black box experiment, when the amount of material exiting a closed system is less than the amount of material entering the
Oksi-84 [34.3K]

When the material that exits is lesser in amount than that of the entering material in a black box experiment, the parts of the system need to be changed.

<h3>What happens in a black box experiment?</h3>

In a black box experiment, the experimenters need to make assumptions regarding the drawing of conclusions. One such conclusion is the amount of material that exits.

If such amount is lesser than the one that enters the system, such experiment concludes that it is the time to change the parts of the system.

Hence, option D holds true regarding the black box experiment.

Learn more about black box experiment here:

brainly.com/question/13403296

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4 0
2 years ago
Diana and Kinsey are put in charge of choosing a mascot for their basketball team. There are fifteen players on the team, but Di
arsen [322]

Answer:

the data are inadequate

Explanation:

<u>If there are 15 people on the team, and only five have been asked about the mascot, </u><u>this means the data collecting is wrong, and the result doesn’t include thoughts of the majority</u>. If Diana and Kinsey want to have adequate data,<u> they should ask as many as possible, if not all players in the team</u>. This would truly show what the majority wants meaning it will show what the team wants. This kind of complete data correcting is the correct one.

6 0
3 years ago
Wich muscle in your body are affected by alcohol first
mr Goodwill [35]

Answer:

Brain

Explanation:

<h3><em>Thirty seconds after your first sip, alcohol races into your brain. It slows down the chemicals and pathways that your brain cells use to send messages. That alters your mood, slows your reflexes, and throws off your balance.</em></h3>
8 0
3 years ago
Imagine the arc of a football as it flies through the air. How does this motion illustrate classical mechanics?
BigorU [14]

Answer: Maybe A

Explanation:

7 0
1 year ago
Read 2 more answers
Unwanted resistance is being discussed.
krok68 [10]
I don’t know if I’m right but I’m guessing B
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