AIT FINAL
What is toughness?
It is the ability to withstand a rapidly applied load without breaking
During the basic oxygen steel making process, what controls the temperature ?
The balance between the pig iron and scrap steel.
What type of carbon steel accounts for the largest tonnage of steel used for tanks and
agriculture equipment?
Low carbon steel
What is the correct amperage range for a fillet weld on aluminum?
40-210 amps
Advantage of argon shielding gas used on copper under machined conditions?
Ease of obtaining puddle control
Using the AISI classification standard, which of the following numbers identifies a stainless steel
known as straight chrome?
400
The GTAW process produces intense ultraviolet light that can be as much as how many times
that of SMAW process ?
5 times
In the GTAW process, which of the following would be the cause of difficult arc starting?
Incorrect polarity
What is an inverted rectangular shape of consumable insert used for
For pipe sizes greater than 50 mm.
What can be a cause of undercut with GTAW welding ?
Shielding gas set too high
What is toughness?
It is the ability to withstand a rapidly applied load without breaking
During the basic oxygen steel making process, what controls the temperature ?
The balance between the pig iron and scrap steel.
What type of carbon steel accounts for the largest tonnage of steel used for tanks and
agriculture equipment?
Low carbon steel
What is the correct amperage range for a fillet weld on aluminum?
40-210 amps
Advantage of argon shielding gas used on copper under machined conditions?
Ease of obtaining puddle control
Using the AISI classification standard, which of the following numbers identifies a stainless steel
known as straight chrome?
400
The GTAW process produces intense ultraviolet light that can be as much as how many times
that of SMAW process ?
5 times
In the GTAW process, which of the following would be the cause of difficult arc starting?
Incorrect polarity
What is an inverted rectangular shape of consumable insert used for
For pipe sizes greater than 50 mm.
What can be a cause of undercut with GTAW welding ?
Shielding gas set too high
