2. Which of the following is NOT correct about the composting process? A. The composting process of MSW could be divided into three phases. B. Microbes begin to proliferate, by using sugars, starches, etc. during mesophilic phase. C. Thermophilic phase, a corresponding intensification of microbial activity could be observed.

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Chapter25: Bacteria And Archaea
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2. Which of the following is NOT correct about
the composting process?
A. The composting process of MSW could
be divided into three phases.
B. Microbes begin to proliferate, by using sugars,
starches, etc. during mesophilic phase.
C. Thermophilic phase, a corresponding
intensification of microbial activity could be
observed.
D. Maturation stage of composting is relatively
short, such as only one or two days.
3. A live bottom bin has six screw conveyors, each
with r, 14 cm, r₂ = 7 cm, N = 1, P = 55 cm,
and R 12 rpm. Assuming that C = 0.5, the total
material flow is
B. 1.2 m³/min
A. 1.1 m³/min
m³/min D. 0.83 m³/min
4.
is NOT considered as the
undesirable effects of combustion.
A. Ash B. Air pollution C. Dioxin D. Steam
C. 0.92
Transcribed Image Text:2. Which of the following is NOT correct about the composting process? A. The composting process of MSW could be divided into three phases. B. Microbes begin to proliferate, by using sugars, starches, etc. during mesophilic phase. C. Thermophilic phase, a corresponding intensification of microbial activity could be observed. D. Maturation stage of composting is relatively short, such as only one or two days. 3. A live bottom bin has six screw conveyors, each with r, 14 cm, r₂ = 7 cm, N = 1, P = 55 cm, and R 12 rpm. Assuming that C = 0.5, the total material flow is B. 1.2 m³/min A. 1.1 m³/min m³/min D. 0.83 m³/min 4. is NOT considered as the undesirable effects of combustion. A. Ash B. Air pollution C. Dioxin D. Steam C. 0.92
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