If the cut-off plate is removed from a blower assembly, what happens to blower performance?

Removing the cut-off plate from a blower assembly typically leads to a decrease in airflow. The cut-off plate is a critical component designed to optimize the airflow by directing it properly through the system. When it is removed, the airflow can become turbulent and less organized, which reduces the efficiency of the blower. Additionally, the blower may struggle to maintain the proper pressure differential necessary for effective air movement, leading to a reduction in overall performance.

In contrast, keeping the cut-off plate in place ensures that the airflow is smooth and directed, which maximizes the blower's efficiency and performance.