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The ultimate BOD value of a waste -
- a)increase with temperature.
- b)decreases with temperature.
- c)remains the same at all temperatures.
- d)doubles with every 10°c rise in temperature.
Correct answer is option 'C'. Can you explain this answer?
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The ultimate BOD value of a waste -a)increase with temperature.b)decre...
The ultimate BOD value of waste is the amount of biodegradable organic matter presents in the sewage sample. At any temperature the amount of organic matter present does not change, so the ultimate BOD will remain same for any temperature.
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The ultimate BOD value of a waste -a)increase with temperature.b)decre...
°C increase in temperature.
b) decreases with temperature.
The BOD (biochemical oxygen demand) value of a waste refers to the amount of oxygen required by microorganisms to break down the organic matter in the waste. As temperature increases, the rate of microbial activity also increases, leading to a faster breakdown of organic matter and a lower BOD value. Conversely, at lower temperatures, the rate of microbial activity decreases, resulting in a higher BOD value. Therefore, the ultimate BOD value of a waste decreases with increasing temperature.
b) decreases with temperature.
The BOD (biochemical oxygen demand) value of a waste refers to the amount of oxygen required by microorganisms to break down the organic matter in the waste. As temperature increases, the rate of microbial activity also increases, leading to a faster breakdown of organic matter and a lower BOD value. Conversely, at lower temperatures, the rate of microbial activity decreases, resulting in a higher BOD value. Therefore, the ultimate BOD value of a waste decreases with increasing temperature.
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The ultimate BOD value of a waste -a)increase with temperature.b)decre...
The loading period for a new building was extended from jan 2007 to dec 2008 In jan 2012, the average measured settlement was found to be 100 mm It was known that the ultimate settlement at the building is 250 mm. The settlement in Jan 2020 will be (mm) یا
170 mm
118 mm
220 mm
190 mm
170 mm
118 mm
220 mm
190 mm
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The ultimate BOD value of a waste -a)increase with temperature.b)decreases with temperature.c)remains the same at all temperatures.d)doubles with every 10°c rise in temperature.Correct answer is option 'C'. Can you explain this answer?
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