NOCTI TEST WELDING EXAM
QUESTIONS WITH CORRECT
SOLUTIONS||UPDATED 2026/2027
SYLLABUS||<<NEWEST VERSION>>
When welding in a confined space, the welder must have - ANSWER ✓ A watch
person outside the space
What component of an oxygen cylinder allows the product to be removed -
ANSWER ✓ Valve assembly
When medium gas welding, a number _____ filter lens should be used -
ANSWER ✓ 6
Information contained in the tail of a welding symbol might include - ANSWER
✓ Welding process
Referring to the symbol below, the flag signifies a _____ weld - ANSWER ✓
Field
Which of the following welding symbols specifies a weld that extends completely
around a joint - ANSWER ✓ Circle
A neutral oxygen acetylene flame has a temperature range of - ANSWER ✓ 5,800
to 6,300 degrees Fahrenheit
The same style cutting tip is used for both natural gas - ANSWER ✓ Propane
In PAC, kerf refers to - ANSWER ✓ The gap produced by cutting
Electrodes used for CAC-A are made of carbon or - ANSWER ✓ Graphite
In air carbon arc cutting, compressed air is used to - ANSWER ✓ Dislodge
molten material
, Compressed air must be ______ in the PAC process - ANSWER ✓ Completely
dry
Size of lead cables required for arc processes is determined by the - ANSWER ✓
Rated amperage that is can carry without overheating
When plasma arc cutting, dross can form on the bottom side of the metal due to -
ANSWER ✓ Travel speed too fast or slow
Which of the following is a ferrous metal - ANSWER ✓ Mild steel
The process of heating a metal and slow cooling it in order to toughen it and
reduce brittleness is know as - ANSWER ✓ Annealing
The ability of a metal to withstand shock loading is known as its - ANSWER ✓
Toughness
The _____ weld test is classified as a destructive test - ANSWER ✓ Guided bend
Which of the following welds aligns two metal pieces approximately in the same
plane - ANSWER ✓ Butt joint
When using reverse polarity, the electrode will be - ANSWER ✓ Positive
What is the tensile strength strength of an E6012 electrode - ANSWER ✓ 60,000
What is the duty cycle of a SMAW power supply that can run for seven minutes
out of every 10 minutes period without overheating - ANSWER ✓ 70 percent
One possible type of metal transfer when employing the GMAW consumable
electrode process is _____ transfer - ANSWER ✓ Globular
For what process is a DC constant voltage power source used - ANSWER ✓
GMAW
A consumable isn't he GTAW process would include - ANSWER ✓ Filler rods
QUESTIONS WITH CORRECT
SOLUTIONS||UPDATED 2026/2027
SYLLABUS||<<NEWEST VERSION>>
When welding in a confined space, the welder must have - ANSWER ✓ A watch
person outside the space
What component of an oxygen cylinder allows the product to be removed -
ANSWER ✓ Valve assembly
When medium gas welding, a number _____ filter lens should be used -
ANSWER ✓ 6
Information contained in the tail of a welding symbol might include - ANSWER
✓ Welding process
Referring to the symbol below, the flag signifies a _____ weld - ANSWER ✓
Field
Which of the following welding symbols specifies a weld that extends completely
around a joint - ANSWER ✓ Circle
A neutral oxygen acetylene flame has a temperature range of - ANSWER ✓ 5,800
to 6,300 degrees Fahrenheit
The same style cutting tip is used for both natural gas - ANSWER ✓ Propane
In PAC, kerf refers to - ANSWER ✓ The gap produced by cutting
Electrodes used for CAC-A are made of carbon or - ANSWER ✓ Graphite
In air carbon arc cutting, compressed air is used to - ANSWER ✓ Dislodge
molten material
, Compressed air must be ______ in the PAC process - ANSWER ✓ Completely
dry
Size of lead cables required for arc processes is determined by the - ANSWER ✓
Rated amperage that is can carry without overheating
When plasma arc cutting, dross can form on the bottom side of the metal due to -
ANSWER ✓ Travel speed too fast or slow
Which of the following is a ferrous metal - ANSWER ✓ Mild steel
The process of heating a metal and slow cooling it in order to toughen it and
reduce brittleness is know as - ANSWER ✓ Annealing
The ability of a metal to withstand shock loading is known as its - ANSWER ✓
Toughness
The _____ weld test is classified as a destructive test - ANSWER ✓ Guided bend
Which of the following welds aligns two metal pieces approximately in the same
plane - ANSWER ✓ Butt joint
When using reverse polarity, the electrode will be - ANSWER ✓ Positive
What is the tensile strength strength of an E6012 electrode - ANSWER ✓ 60,000
What is the duty cycle of a SMAW power supply that can run for seven minutes
out of every 10 minutes period without overheating - ANSWER ✓ 70 percent
One possible type of metal transfer when employing the GMAW consumable
electrode process is _____ transfer - ANSWER ✓ Globular
For what process is a DC constant voltage power source used - ANSWER ✓
GMAW
A consumable isn't he GTAW process would include - ANSWER ✓ Filler rods
