Exin CDCS Question Answer
ICT rack consumes 3 kW with ΔT ~11 °C (20 °F). Calculate required airflow (CFM).
~1,500 CFM
~1,000 CFM
~500 CFM
~160 CFM
Cooling airflow (CFM) can be calculated from:
Where P = IT load.
So approximately 500 CFM is required.
1,500 and 1,000 CFM are too high.
160 CFM is far too low.
Therefore, the correct answer is ~500 CFM.
TESTED 01 Dec 2025
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