To operate the dry chemical fire...

Question 1 / 205eccef9ebacbc34ba4d462ed

Question 1 of 205eccef9ebacbc34ba4d462ed

To operate the dry chemical fire extinguisher shown in the illustration, you must FIRST __________. See illustration SF-0006.

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Question 1 of 20

5eccef9ebacbc34ba4d462ed

To operate the dry chemical fire extinguisher shown in the illustration, you must FIRST __________. See illustration SF-0006.

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🔍 Key Concepts

• Look closely at how a cartridge-operated dry chemical extinguisher works – one action charges the cylinder with gas, and a different action releases the powder through the hose and nozzle. • Notice the parts labeled Gas Pressure Cartridge, Puncture Lever, and Squeeze Grip Valve and think about their separate functions. • Consider what the Cartridge Guard is protecting and whether it would normally be removed during use or left in place.

💭 Think About

• Which control must be used first to release gas from the small cartridge into the main extinguisher body, so that pressure can build up inside? • Once the extinguisher is pressurized, which control then allows you to start and stop the actual discharge of dry chemical from the hose and nozzle? • Is inverting this particular extinguisher necessary for it to work, or is that a feature of some older types not shown here?

✅ Before You Answer

• Verify which part is directly connected to the Gas Pressure Cartridge and would puncture or open it. • Confirm which handle or valve at the nozzle is used only to start/stop the flow after pressure is already available. • Make sure you understand that the Cartridge Guard is a fixed protective cover, not a normal step in the operation sequence.

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Question 1 of 20

To operate the dry chemical fire extinguisher shown in the illustration, you must FIRST __________. See illustration SF-0006.

operate the squeeze grip valve

invert the extinguisher

depress the puncturing lever

remove the cartridge guard

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Question 1 / 205eccef9ebacbc34ba4d462ed

Question 1 of 205eccef9ebacbc34ba4d462ed

To operate the dry chemical fire extinguisher shown in the illustration, you must FIRST __________. See illustration SF-0006.

Back

Question 1 of 20

5eccef9ebacbc34ba4d462ed

To operate the dry chemical fire extinguisher shown in the illustration, you must FIRST __________. See illustration SF-0006.

No comments yet

Be the first to share your thoughts!

If the question has a related picture, it will appear here.

🔍 Key Concepts

💭 Think About

✅ Before You Answer

👋 Hi! I'm Genie, your AI study assistant. How can I help you with this question?

Quick actions

— No credit card needed