In an office, a photocopy machine produces ozone (O3), which an irritant of the
ID: 1572075 • Letter: I
Question
In an office, a photocopy machine produces ozone (O3), which an irritant of the lungs. Your professor starts the photocopier to produce your midterm. Because of the size of the job (more than 100 copies it will run for C minutes and emits D gmin of O3 during operation. Consider the office has an enclosed air volume of V m and a continuous air flow rate (ventilation rate) of B m3min, keeping the air well mixed. The temperature of the office is Eoc and the pressure is 1 atm (both precise), and the ozone concentration outdoor is negligible. What is the peak ozoneExplanation / Answer
peak ozone concentration = (A * B * C * D * E)/106
= (271.13 * 37.23 * 25.6 * 1.145 * 27)/106
= 7.988 * 106/106
= 7.988 ppm
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