Q1. What is the name of welding process if the arc produced by a consumable metal electrode is protected by inert gas?

a) MAG Welding

b) MIG Welding

c) TIG Welding

d) Plasma Welding

Q2. What type of lens shade is to be fixed in helmet while doing MIG welding?

a) A # 09 

b) A # 10  

c) A # 11  

d) A # 12

Q3. What is the lens shade fitted in a helmet as per the recommendation of welding code for setting of 

        150 Amps for MMAW?

a) A # 10 

b) A # 11  

c) A # 12  

d) A # 13

Q4. What is the solution if burn back occurs due to irregular wire feeding in GMAW process?

a) Cut out kink wire  

b) Replace of spool  

c) Cut the kink wire and replace spool  

d) Adjusted to kinked wire again

Q5. What type of hand tool is used to open a gas cylinder in welding practice?

a) X key

b) Allen key

c) DE spanner

d) Spindle key