Choose your answer before opening the explanation. This is a learning exercise, not a competency assessment.
DMR gives Phase I airflow as:
- 10 to 15 m3 per tonne wet compost per hour
- 10 to 15 m3 per hour total
- Whatever the fan plate says
- Not specified
See the answer and why
10 to 15 m3 per tonne wet compost per hour The figure is per tonne of wet compost, through the stack.

