WELDING 4 TIG AND CO2 WELDING - Practice Mode

1) Which is the non consumable electrode is used in GTAW process?

Carbon electrode Copper electrode Aluminium electrode Tungsten electrode

Correct Answer: Tungsten electrode

2) What is the type of nozzle is used in TIG welding?

Brass nozzle Ceramic nozzle Copper nozzle Aluminium nozzle

Correct Answer: Ceramic nozzle

3) What is the minimum percentage of chromium in stainless steel?

0.065 0.08 0.1 0.12

Correct Answer: 0.12

4) What is the range of PWHT for stainless steel grade 316L?

1010 Degree - 1120 Degree Centigrade 1035 Degree - 1120 Degree Centigrade 1035 Degree - 1107 Degree Centigrade 1065 Degree - 1120 Degree Centigrade

Correct Answer: 1035 Degree - 1107 Degree Centigrade

5) Which is the welding process that produces the arc with bare filler rod shielded by CO2 gas?

MAG welding MIG welding TIG welding Plasma arc welding

Correct Answer: MAG welding

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