1. . The electrode used in TIG welding is ………
(A) Consumable
(B) Non Consumable
(C) Both
(D) None
2. . The ……… is used as an inert or shielding gas
(A) Helium
(B) Neon
(C) Argon
(D) All
3. . In TIG welding ……… current is used
(A) DC current straight polarity
(B) DC current reverse polarity
(C) AC current
(D) All
4. . In TIG welding, the ……… arc is produced between the tungsten electrode and work piece
(A) Low-intensity
(B) Medium-intensity
(C) High-intensity
(D) None
5. . In TIG welding, the work piece is connected to the ……… terminal
(A) Positive
(B) Negative
(C) Both
(D) None
6. . In TIG welding, electrode is connected to the ……… terminal
(A) Positive
(B) Negative
(C) Both
(D) None
7. . Electrode used in TIG welding is made up of ……… alloy
(A) Tungsten
(B) Rubidium
(C) Chromium
(D) All
8. . The temperature of electrode in TIG welding is ………
(A) 3420°C
(B) 3422°C
(C) 3424°C
(D) 3426°C
9. . In TIG welding adjustment of current depends upon the ……… of job
(A) Position
(B) Condition
(C) Thickness
(D) None
10. . The diameter of Tungsten electrode is ………
(A) 0.6 to 6.5 mm
(B) 0.5 to 6.4 mm
(C) 0.7 to 6.5 mm
(D) None