سوالات چهار گزینه محیط زیست 3
ارسال شده: 16 ژوئن 2013 13:39
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3
If the BOD5 of wastewater is 150 mg/l at 20C the rate constant value is K = 0.23 day-1
The Ultimate BOD will be:
a. 102.5 mg/l
b. 473.7 mg/l
c. 219.5 mg/l
d. 47.5 mg/l[/LEFT]
3
If the BOD5 of wastewater is 150 mg/l at 20C the rate constant value is K = 0.23 day-1
The Ultimate BOD will be:
a. 102.5 mg/l
b. 473.7 mg/l
c. 219.5 mg/l
d. 47.5 mg/l[/LEFT]