1. Generally welding is a process for joining:
(A) Metals
(B) Semiconductors
(C) Conductors
(D) None of these
2. Welding components include:
(A) Metals
(B) Heat source
(C) Filler metal
(D) All of these
3. __________ provides electric arc for welding:
(A) Filler metal
(B) Shielding gas
(C) Welding machine
(D) Base metal
4. Oxy-acetylene setup can be used for:
(A) Welding
(B) Cutting
(C) Bending
(D) All of these
5. Angle grinder is used to remove:
(A) Paint
(B) Dirt
(C) Rust
(D) All of these