Q:- Open corner joint is one of the following

1. BUTT WELD
2. FILLET WELD
3. PLUG WELD
4. SPOT WELD

Q:-Which of the following welding processes. Uses to resistance spot welding?

1. Electro slag welding 
2. Resistance spot welding 
3. Tig 
4. Mag

Q: What is the minimum and maximum groove angle and root opening of a B-U2-S joint in the as fit up condition ?

• 20-30 and 5/8 - 11/16
• 15-25 and 9/16 - 7/8
• 15 - 40 and 9/16 - 15/16
• 10-35 and 1/16 - 1/4

Q:-What is the maximum convexity of a 5/16" fillet weld?

• 1/16
• 1/8
• 3/16
• 5/32