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What should you do if a backfire occurs? A Close the oxygen valve A at the gas cylinder. B on the blowpipe and Close the fuel gas valve B then immediately shut off the oxygen gas at the blowpipe valve. C on the blowpipe and Close the oxygen valve c then immediately shut off the fuel gas at the Close the fue I gas valve

Problemas

What should you do if a backfire occurs? A Close the oxygen valve A at the gas cylinder. B on the blowpipe and Close the fuel gas valve B then immediately shut off the oxygen gas at the blowpipe valve. C on the blowpipe and Close the oxygen valve c then immediately shut off the fuel gas at the Close the fue I gas valve

What should you do if a backfire occurs? A Close the oxygen valve A at the gas cylinder. B on the blowpipe and Close the fuel gas valve B then immediately shut off the oxygen gas at the blowpipe valve. C on the blowpipe and Close the oxygen valve c then immediately shut off the fuel gas at the Close the fue I gas valve

Solución

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Josémaestro · Tutor durante 5 años
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4.1 (264 votos)

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If a backfire occurs, you should:<br /><br />1. Close the fuel gas valve on the blowpipe.<br />2. Immediately shut off the oxygen gas at the blowpipe valve.<br /><br />So, the correct answer is:<br /><br />B. Close the fuel gas valve on the blowpipe and then immediately shut off the oxygen gas at the blowpipe valve.
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