Civil Engineering > GATE 2017 SET-1 > Water
Two wastewater streams A and B, having an identical ultimate BOD are getting mixed to form the stream C. The temperature of the stream A is 20°C and the temperature of the stream C is 10°C. It is given that
• The 5-day BOD of the stream A measured at 20°C=50 mg/l
• BOD rate constant (base 10) at 20°C=0.115 per day
• Temperature coefficient = 1.135
The 5-day BOD (in mg/l, up to one decimal place) of the stream C, calculated at 10°C, is______.
• The 5-day BOD of the stream A measured at 20°C=50 mg/l
• BOD rate constant (base 10) at 20°C=0.115 per day
• Temperature coefficient = 1.135
The 5-day BOD (in mg/l, up to one decimal place) of the stream C, calculated at 10°C, is______.
Correct : 21.21
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