Which of the following procedures would be...

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Question 1 of 205eccef9bbacbc34ba4d45354

Which of the following procedures would be correct when first lighting-off an oxy-acetylene torch?

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5eccef9bbacbc34ba4d45354

Which of the following procedures would be correct when first lighting-off an oxy-acetylene torch?

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🔍 Key Concepts

• Safe oxy-acetylene lighting sequence (which gas first, and how far to open the valve) • Flammability and explosion limits of acetylene and why you control its flow carefully • Role of oxygen vs. fuel gas when starting and then adjusting the flame

💭 Think About

• Think about which gas must be present first so that the lighter can ignite a small, controlled fuel flow. • Consider which gas, if opened wide before ignition, could create the most dangerous situation around your workspace. • After you strike the flame, which valve do you normally adjust to change from a smoky, carburizing flame toward a neutral flame?

✅ Before You Answer

• Verify which gas you open very slightly first before ignition for safety. • Check whether you should ever open the oxygen valve wide before the torch is lit. • Confirm which valve you adjust after ignition to shape the flame to the proper working condition.

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Question 1 of 205eccef9bbacbc34ba4d45354

Which of the following procedures would be correct when first lighting-off an oxy-acetylene torch?

Back

Question 1 of 20

5eccef9bbacbc34ba4d45354

Which of the following procedures would be correct when first lighting-off an oxy-acetylene torch?

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