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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The concept used to solve this problem is that given in the kinematic equations of motion. From theory we know that the change in velocities of a body is equivalent to twice the distance traveled by acceleration, in other words:

$v_f^2-v_i^2 = 2ax$

Where,

$v_{f,i} =$ Final and initial velocity

a = Acceleration

x = Displacement

For the given case, the displacement is equivalent to the height (x = h) and the acceleration is the same gravitational acceleration (a = g). In turn we do not have initial speed therefore

$v_f^2 = 2hg$