1. Arc welding is used to generate heat for welding:
(A) Electricity
(B) Has fuel
(C) None
(D) Both a & b
2. Forge welding is a type of ______ welding:
(A) Fusion
(B) Pressure
(C) None
(D) Both a & b
3. TIG welding uses ______ electrode:
(A) Metal
(B) Tungsten
(C) None
(D) Both a & b
4. Spot welding is a type of ______ welding:
(A) Fusion
(B) Pressure
(C) None
(D) Both a & b
5. Welding joint is a type of ______ joint:
(A) Permanent
(B) Temporary
(C) None
(D) Both a & b