As much as can be added to the argon to increase the power i

As much as can be added to the argon to increase the power in the arc without qualities of the spray mode. 10% oxygen 20% nitrogen 50% carbon dioxide 80% helium The purpose o the is to provide a steady and reliable supply of wire to the weld. power source electrode conduit electrode feed unit welding gun Which of the following is true of pull-type feed systems? Feed motors are located at both ends of the electrode conduit. The gun is heavier and more difficult to use. Rethreading the wire lakes little lime. The feed system uses a synchronized system. GMAW power supplies are type machines. constant-current and constant-voltage constant-voltage and constant-potential drooping are voltage and constant-current constant-current and constant-potential Which of the following is true of GMA spot welding? Welds can only be made in thin materials. The weld cannot be made if only one side of the materials to be welded is accessible The weld cannot be made when

Solution

Answer to the questions against the correct option is given below:

1. d

2. a

3. d

4. b

5. d

6. b

7. a