1. . The electrode used in MIG welding is ………
(A) Consumable
(B) Non Consumable
(C) Both
(D) None
2. . The ……… gas is used in MIG welding
(A) CO₂
(B) Neon
(C) Argon
(D) All
3. . In MIG welding ……… current is used
(A) DC current straight polarity
(B) DC current reverse polarity
(C) AC current
(D) b and c
4. . In MIG welding, the ……… arc is produced between the electrode and work piece
(A) Low-intensity
(B) Medium-intensity
(C) High-intense
(D) None
5. . In MIG welding, the work piece is connected to the ……… terminal
(A) Positive
(B) Negative
(C) Both
(D) None
6. . In MIG welding, electrode is connected to the ……… terminal
(A) Positive
(B) Negative
(C) Both
(D) None
7. . Electrode used in MIG welding is a ………
(A) Consumable wire
(B) Non Consumable wire
(C) Both
(D) None
8. . If filler wire is ……… value of current is less because it melts quickly
(A) Thick
(B) Thin
(C) Hot
(D) Cold
9. . In MIG welding, if the wire speed is increased, the value of current automatically ………
(A) Increases
(B) Decreases
(C) Remains same
(D) None
10. . If filler wire is thick, value of current is ………
(A) Increased
(B) Decreased
(C) Remains same
(D) None