1. . There are …………types of welding Techniques.
(A) One
(B) Two
(C) Three
(D) Four
2. . In ……… method, welding is done from right to left.
(A) Flat position
(B) Overhead
(C) Forehand
(D) Backhand
3. . Forehand method is best to weld ……… metals.
(A) Thin
(B) Thick
(C) Hollow
(D) Solid
4. . In Forehand method, metals up to ……… mm can be easily welded
(A) 3
(B) 4
(C) 5
(D) 6
5. . In ……… method, welding is done from left to right.
(A) Flat position
(B) Overhead
(C) Forehand
(D) Backhand
6. . Backhand method is also called as ………...
(A) Leftward
(B) Rightward
(C) Inward
(D) All
7. . In backhand welding, the flame or electrode is ……………… from the direction of weld progression
(A) Pointed away
(B) Pointed towards
(C) Pointed above
(D) Pointed below
8. . In backhand welding ………… heat is required
(A) Very less
(B) Less
(C) More
(D) None
9. . In backhand welding the torch is usually inclined at an angle of ……… with feed vector
(A) 30°–45°
(B) 50°–65°
(C) 70°–85°
(D) None
10. . Preheating is the process applied to raise the temperature of the material to be welded ………. welding
(A) Before
(B) After
(C) Both
(D) None
11. . After welding, cast iron is cooled ………..
(A) Less
(B) More
(C) Slowly
(D) None
12. . For Copper welding ……….. flame is used
(A) Neutral
(B) Oxidizing
(C) Carburizing
(D) All
13. . After the weld has been completed, there is a need of ………
(A) Preheating
(B) Post heating
(C) Oxidization
(D) None
14. . After welding, light striking is done with the help of hammer, it is called as ………
(A) Hammering
(B) Peening
(C) Balancing
(D) All
15. . ………………. welding technique should be used for Cast iron
(A) Flat position
(B) Overhead
(C) Forehand
(D) Backhand