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Вопрос:
28.3 Match each of the substances (1-6) to the description (a-h) above that uses the substance. Look at B opposite to help you. 1 flux 2 argon 3 oxygen 4 tungsten 5 acetylene 6 carbon dioxide
Ответ:
1. flux - e a special coating on the welding rod which produces a shielding gas.
2. argon - f a separate gas supply, blown onto the weld as a shielding gas.
3. oxygen - g a shielding gas generated by burned oxyfuel.
4. tungsten - c a non-consumable electrode.
5. acetylene - a burning gas.
6. carbon dioxide - f a separate gas supply, blown onto the weld as a shielding gas.
Похожие
- 28.1 Complete the extract from a technical document about welding using the words in the box. You will need to use some words twice. Look at A opposite to help you.
- 28.2 Match the two parts to make eleven correct sentences about welding techniques. You will need to use some parts more than once. Look at B opposite to help you. 1 Shielded metal arc welding uses 2 Gas welding uses 3 Gas metal arc welding uses 4 Gas tungsten arc welding uses a burning gas. b a consumable electrode. c a non-consumable electrode. d a separate welding rod which is not an electrode. e a special coating on the welding rod which produces a shielding gas. f a separate gas supply, blown onto the weld as a shielding gas. g a shielding gas generated by burned oxyfuel. h a gas whose purpose is to increase the temperature of the welding process.
- 28.3 Match each of the substances (1-6) to the description (a-h) above that uses the substance. Look at B opposite to help you. 1 flux 2 argon 3 oxygen 4 tungsten 5 acetylene 6 carbon dioxide
