AWS-CWI Fundamentals Test-1 Questions And
Answers 100% Solved
Capillary action plays a role in which NDE method? PT
What test would be least effective for judging the soundness of a weld in the as-welded condition?
straight beam UT
What shielding gas is used for GMAW spray transfer on steel? oxygen-2% argon-98%
For plain carbon steels, how are hardness and tensile strength related? increase hardness;
Increase tensile strength
In GMAW, the welding variable controlled by the wire feed speed is what? current
An E7018 SMAW electrode exhibits which of the following characteristics? Low hydrogen; AC and
DCEP; iron power
What method is most often used to eliminate the high residual stress created by welding?
postweld heat treating
The process whereby a large gap is filled with braze material without the help of capillary action is called
what? braze welding
The material property that best describes its ability to withstand a static load is what? tensile
strength
If no information appears to the left of a groove weld symbol, this means what? the weld is to be
complete joint penetration
, Fracture toughness results will often be expressed in terms of what? breaking energy
The property of a material that best relates to its resistance to impact loading is what? fracture
toughness
What welding process uses a granular flux that can be manually added to the weld pool? ESW
Where should the preheat be measured? 2" to 3" from the point of welding
What discontinuity occurs in the heat-affected zone and can result from excessive moisture in the weld
zone? underbead crack
The heat treatment for carbon steels in which the metal's temperature is raised to just below the lower
transformation temperature and held for a prescribed time before allowing it to cool at a controlled rate
is referred to as what? stress relieving
What two welding processes commonly use a constant current power source? SMAW and GTAW
what two measurements are taken from a tensile specimen to determine the area? width and
thickness
When are Phosphorus and Sulfur added to carbon steel for improvement? never
The type of document that describes the requirements for a particular material or component is referred
to as what? standard and specification
what is not always an essential element of an FCAW system? external shielding gas
what weld discontinuity shows up as a light region on a radiograph? tungsten inclusion and slag
inclusion
Answers 100% Solved
Capillary action plays a role in which NDE method? PT
What test would be least effective for judging the soundness of a weld in the as-welded condition?
straight beam UT
What shielding gas is used for GMAW spray transfer on steel? oxygen-2% argon-98%
For plain carbon steels, how are hardness and tensile strength related? increase hardness;
Increase tensile strength
In GMAW, the welding variable controlled by the wire feed speed is what? current
An E7018 SMAW electrode exhibits which of the following characteristics? Low hydrogen; AC and
DCEP; iron power
What method is most often used to eliminate the high residual stress created by welding?
postweld heat treating
The process whereby a large gap is filled with braze material without the help of capillary action is called
what? braze welding
The material property that best describes its ability to withstand a static load is what? tensile
strength
If no information appears to the left of a groove weld symbol, this means what? the weld is to be
complete joint penetration
, Fracture toughness results will often be expressed in terms of what? breaking energy
The property of a material that best relates to its resistance to impact loading is what? fracture
toughness
What welding process uses a granular flux that can be manually added to the weld pool? ESW
Where should the preheat be measured? 2" to 3" from the point of welding
What discontinuity occurs in the heat-affected zone and can result from excessive moisture in the weld
zone? underbead crack
The heat treatment for carbon steels in which the metal's temperature is raised to just below the lower
transformation temperature and held for a prescribed time before allowing it to cool at a controlled rate
is referred to as what? stress relieving
What two welding processes commonly use a constant current power source? SMAW and GTAW
what two measurements are taken from a tensile specimen to determine the area? width and
thickness
When are Phosphorus and Sulfur added to carbon steel for improvement? never
The type of document that describes the requirements for a particular material or component is referred
to as what? standard and specification
what is not always an essential element of an FCAW system? external shielding gas
what weld discontinuity shows up as a light region on a radiograph? tungsten inclusion and slag
inclusion
