The ______ is measured in CFM.

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Multiple Choice

The ______ is measured in CFM.

Explanation:
CFM expresses how much air moves through a system each minute, so it directly measures airflow. It’s a volume flow rate, not a pressure value, not a rotational speed, and not a twisting force. Pressure is measured in units like psi or Pa, RPM is how fast something spins, and torque is the turning force. So the best match for CFM is airflow—the amount of air flowing per minute. In practical terms, higher CFM means more air moving through an intake or cooling path, which can affect engine breathing and cooling, though real performance also depends on resistance in the system.

CFM expresses how much air moves through a system each minute, so it directly measures airflow. It’s a volume flow rate, not a pressure value, not a rotational speed, and not a twisting force. Pressure is measured in units like psi or Pa, RPM is how fast something spins, and torque is the turning force. So the best match for CFM is airflow—the amount of air flowing per minute. In practical terms, higher CFM means more air moving through an intake or cooling path, which can affect engine breathing and cooling, though real performance also depends on resistance in the system.

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