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pentagon [3]
3 years ago
6

Which one of the following accurately pairs the device with its function?

Physics
2 answers:
Juliette [100K]3 years ago
7 0

Answer;

D. Bourdon gage—indicate steam pressure in a furnace

Explanation;

-Steam boiler or furnaces use pressure gage to measure pressure at some places either for water fluid or steam fluid. The pressure gages includes Bourdon pressure gage, bellow pressure gage and the spiral pressure gage.

-The bourdon pressure gage is type pressure gage which has bourdon tube, (an oval cross section of hollow tube). The tube has two ends, open and close. Open end is connected to fluids either water or steam and close end is connected to mechanical linkage in gage pointer. When the pressure builds up, the bourdon tube will be straightened out.

Westkost [7]3 years ago
5 0
<span>D is the correct answer. A Bourdon gage is a popular and commonly used kind of gauge for measuring pressure and vacuum. One use for a Bourdon gage is to indicate steam pressure.</span>
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Remark
When you are asked a question like this, the first thing to do is search out a formula and put some limits on it.

Formula
I = E/R which comes from E = IR. To get to the derived formula, divide both sides by R
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Discussion
This is an inverse relationship. That means that as one goes up the other one will go down. 

So in this case you keep E constant and you manipulate R and look at your results for I

Case 1

Let us say that E = 10 volts
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I = E/R
I = 10/10
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Case Two
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Conclusion
As the Resistance goes up, the current goes down. Answer: A
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3 years ago
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Please help! you are amazing! brainliest too!
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