Ques 1. The heat-affected zone, the molten metal, and the tungsten electrode are all shielded from atmospheric contamination by a-

(a)   blanket of inert gas fed through the GTAW torch.

(b)  blanket of sulphur gas fed through the GTAW torch.

(c)   blanket of Hydrogen gas fed through the GTAW torch.

(d)  blanket of Nitrogen gas fed through the GTAW torch.

Ques 2. The GTAW process can produce temperatures of up to-

(a)   1000° F

(b)   5000° F

(c)    3000° F

(d)   2000° F

Ques 3. What is also referred as a GTAW?

(a) TIG welding

(b)MIG Welding

(c) STUD welding

(d) GAS welding

 Ques 4. TIG welding can be used for –

(a)only manual operations

(b) only automatic operations

(c)both manual and automatic operations

(d) None

Ques 5. What is full Form of GTAW-

(a) Groove tungsten arc welding

(b)Grip tungsten arc welding

 (c) Gas tungsten arc welding

(d) Galvanised tungsten arc welding

Ques 6. Which welding process is effective for nickel & titanium?

(a)Arc welding

(b) TIG welding

(c) Gas welding

(d)MIG welding

Ques7.Explain Gas Tungsten Arc Welding Process.

Ques8.Briefly explain the history of Gas Tungsten Arc Welding.

Ques9.What are the advantages of TIG (Tungsten Inert Gas welding).

Ques10.What are types of welding current used for GTAW?