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Welding: Principles and Applicatio...

8th Edition
Larry Jeffus
ISBN: 9781305494695

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BuyFindarrow_forward

Welding: Principles and Applicatio...

8th Edition
Larry Jeffus
ISBN: 9781305494695
Textbook Problem
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Why is the shielding gas valve "cracked" before the flow-meter regulator is attached?

To determine

The reason for cracking the gas valve before flow meter regulator is attached.

Explanation

When the shielding gas is supplied by the cylinder then the shielding gas cylinder must be chained in a place securely before removing the cap of the cylinder.

The operator must stand aside of the cylinder and quickly crack the valve before attaching a flow meter regulator to blow out the dirt (if any) inside the valve...

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