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MLA

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Mathematics & Economics

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Math Problem

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English (U.S.)

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# Industrial Hygiene (Math Problem Sample)

Instructions:

the task involved calculations for several tasks as per the questions provided by the client. the calculations were on industrial hygiene. there were seven questions and no page limit was set because the length of each answer varied based on the requirements to solve them. although this task was under mathematics and economics, it was under engineering subject. source..

Content:

Student’s Name
Instructor’s Name
Course
Date
Question 8
ppmGramsAir volume (I)Mol. Wt.24.450.025427533920.002283009310007.16412001460.0020.0000552650254
Question 9
P1V1/T1 = P2V2/T2
T1 = T2
P1V1 = P2V2
V2 = P1V1/P2
V2 = 2200*1.55/14.70 = 231.97 ft3
Solution: The gas will occupy 231.97 square feet if the typical A1 hydrogen gas cylinder has 1.55 cubic feet of gas that is compressed at 2,200 pounds per square inch at the same temperature and normal atmospheric pressure.
Question 10
15п‚°F = 263.7 K
25п‚°C = 298.2 K
V1/T1 = V2/T2
V2 = T2V1/T1
V2 = 298.2*15/263.7 = 16.96 liters
Solution: The new air volume will be 16.96 liters if a 15-liter air sampling bag is filled at 15п‚°F ambient temperature and reverted to 25п‚°C under constant pressure.
Question 11
32п‚°F = 273 K
P1V1/T1 = P12V1/T2
1/T1 = 2/T2
T2 = 2T1
T2 = 546 K
Solution: The temperature must be 546 K in order to double the 1 cubic meter volume that is occupied by a gas at a temperature of 32п‚°F.
Question 12
P1V1 = P2V2
P2 = 1.05P1
P1V1 = 1.05P1V2
V1 = 1.05V2
V2 = V1/1.05
V2 = 1/1.05 = 0.95 m3
Solution: At this point, a gas that occupies 1 cubic meter at a pressure of 1 atmosphere will occupy 0.95 liters with an increase of 5% in atmospheric pressure.
Question 13
110п‚°F = 316.5 K
70п‚°F = 294.3 K
P1V1/T1 = P2V2/T2
P1 = P2
V1/T1 = V2/T2
V2 = 294.3*853/316.5 = 793 liters = 0.793 m3
C = 65/0.793 = 81.97 mg/m3
Solution: The methyl methacrylate monomer concentration will be 81.97 mg/m3 in a 853 liter workspace sam...

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