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A boiler safety valve is set to lift at 2450 psig and resets at 2364 psig. The percent of blowdown is most nearly ___________.

Answer :

Final answer:

The percent of blowdown for the boiler safety valve, calculated from the difference between the lift and reset pressures divided by the lift pressure and then multiplied by 100, is most nearly 3.51%.

Explanation:

A boiler safety valve is set to lift at 2450 psig. It resets at 2364 psig. The percent of blowdown is most nearly be:

To calculate the percent of blowdown, we use the formula:

Percent Blowdown = ((Lift pressure - Reset pressure) / Lift pressure) * 100

Substituting the given values:

Percent Blowdown = ((2450 psig - 2364 psig) / 2450 psig) * 100

Percent Blowdown = (86 psig / 2450 psig) * 100

Percent Blowdown = 0.0351 * 100

Percent Blowdown = 3.51%

Therefore, the percent of blowdown for the boiler safety valve is most nearly 3.51%.

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