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  Q1/ Why should you never set an electrified rod (welding unit on and rod is...

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Mechanical Engineering

 

Q1/ Why should you never set an electrified rod (welding unit on and rod is attached) down on a metal table?

 

A. To prevent overheating of the workpiece metal

B. To prevent condensation on the rod

C. To prevent oxides

D. To prevent an unexpected ignition of the arc

 

Q2 / What is the minimal level of shielding (welding mask) during stick welding?

 

A. 7

B. 5

C. 11

D. 8

 

Q3 / What is the code for the welding stick used?

 

A. 5013

B. 6013

C. 5011

D. 6011

 

Q4 / In stick welding how is the weld zone protected from contamination?

 

A. Flux

B. Gas shield

C. No protection is needed

D. Liquid flux

 

 

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