Which device is used to adjust shielding gas flow in MIG welding?

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Study for the GMAW Welding Level 2 Test. Master GMAW welding techniques with multiple choice questions and detailed explanations. Prepare confidently for your exam!

Multiple Choice

Which device is used to adjust shielding gas flow in MIG welding?

Explanation:
In MIG welding, shielding gas flow is controlled by a flowmeter regulator, the device that sets and shows the gas flow rate going to the weld. It combines a regulator that lowers the cylinder pressure with a flowmeter that displays the output in liters per minute, so you can adjust the flow to the recommended level. Turning the control changes the flow, and you read the setting on the meter to ensure proper shielding without wasting gas. The other items measure or regulate different parameters: a pressure gauge only indicates pressure, not flow; an ammeter measures current; a voltage regulator controls arc voltage.

In MIG welding, shielding gas flow is controlled by a flowmeter regulator, the device that sets and shows the gas flow rate going to the weld. It combines a regulator that lowers the cylinder pressure with a flowmeter that displays the output in liters per minute, so you can adjust the flow to the recommended level. Turning the control changes the flow, and you read the setting on the meter to ensure proper shielding without wasting gas. The other items measure or regulate different parameters: a pressure gauge only indicates pressure, not flow; an ammeter measures current; a voltage regulator controls arc voltage.

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