Which step in the sequence 'Pull, Aim, Squeeze, Sweep' is third?

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Prepare for the Chemistry 1LC Practical Test. Engage with multiple choice questions, interactive flashcards, and detailed explanations to enhance your understanding and boost your confidence for the exam.

Multiple Choice

Which step in the sequence 'Pull, Aim, Squeeze, Sweep' is third?

Explanation:
This question tests the order of actions for using a fire extinguisher, known as the PASS sequence. The third action is to squeeze the lever, which releases the extinguishing agent. After pulling the pin and aiming at the base of the fire, squeezing activates the discharge so the agent can reach the fuel source. Then sweeping the nozzle from side to side at the base helps blanket and cool the area, stopping the fire from spreading. If you skip squeezing, nothing actually comes out; if you don’t aim at the base, the agent may miss the fuel and be less effective; if you don’t sweep, the agent won’t cover the area adequately to extinguish the fire.

This question tests the order of actions for using a fire extinguisher, known as the PASS sequence. The third action is to squeeze the lever, which releases the extinguishing agent. After pulling the pin and aiming at the base of the fire, squeezing activates the discharge so the agent can reach the fuel source. Then sweeping the nozzle from side to side at the base helps blanket and cool the area, stopping the fire from spreading. If you skip squeezing, nothing actually comes out; if you don’t aim at the base, the agent may miss the fuel and be less effective; if you don’t sweep, the agent won’t cover the area adequately to extinguish the fire.

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