In a sail switch, when a large amount of airflow passes across the sail, enough force is produced to cause the ____ to operate the contacts of the switch.
A) metal arm
B) bellows
C) spring
D) lever

Question

Quizplus · Accepted Answer

A sail switch typically consists of a metal arm with a sail attached to it. When a large amount of airflow passes across the sail, the force produced causes the metal arm to move, which in turn operates the contacts of the switch. Therefore, the correct choice is A, metal arm.

In a Sail Switch, When a Large Amount of Airflow