STUDY OF INDUSTRIAL WELDING TECHNOLOGIES LATEST 2026-2027
EXAM WITH QUESTIONS AND ANSWERS GRADED A+
____ alloys have excellent wetting, flow, and strength characteristics, but they are
expensive. - ANSWER -Cadmium-silver
____ are usually either hydraulic or flywheel operated. - ANSWER -Power punches
____ can cause an arc to move during a weld. - ANSWER -Uneven flux lines
____ contains little or no unoxidized iron. - ANSWER -Soft slag
____ controls the maximum gap the electrons can jump to form the arc. -
ANSWER -Voltage
____ controls the size of the arc. - ANSWER -Amperage
____ cutting uses a stiff, highly ionized, extremely hot column of gas to almost
instantly vaporize the metal being cut. - ANSWER -Plasma arc
____ electrodes have a forceful arc with little slag left on the weld bead. -
ANSWER -E6010 and E6011
____ fire extinguishers are used for combustible metals such as zinc and
magnesium. - ANSWER -Type D
____ fire extinguishers are used for electrical fires. - ANSWER -Type C
____ have rutile-based fluxes with a thick slag left on the weld bead. - ANSWER -
E6012 and E6013
____ is a gas that is produced by the ultraviolet radiation in the air in the vicinity
of welding operations. - ANSWER -Ozone
____ is a measurement of the amount of electrical energy or power in the arc. -
ANSWER -Wattage
____ is a type of welding. - ANSWER -Gas tungsten arc welding
____ is formed when ultraviolet radiation decomposes chlorinated hydrocarbon. -
ANSWER -Phosgene
____ light is dangerous because the welder cannot feel the light while being
exposed to it, and it may pass through clothing. - ANSWER -Ultraviolet
,____ machines are adjusted by turning a handwheel that moves the internal parts
closer together or farther apart. - ANSWER -Movable coil
____ of a tee joint enables a larger weld to be made than either the butt or lap
joint. - ANSWER -Surface tension in the molten weld pool
____ provide the necessary shielding because they do not form compounds with
any other substance. - ANSWER -Inert gases
____ relies on capillary action to draw filler metal into the joint, whereas ____
does not need capillary action. - ANSWER -Brazing, braze welding
____ respirators are air-purifying respirators that use a blower to force the ambient
air through air-purifying elements to the inlet covering. - ANSWER -Powered air-
purifying
____ seal tips must be tightened with a wrench. - ANSWER -Metal-to-metal
____ welding can be used to weld metal ranging in thickness from thin-gauge
sheet metal to heavy plate by making only a few changes in the welding setup. -
ANSWER -Gas metal arc
____ welding is the most modern. - ANSWER -Fusion
____ welding was introduced first. - ANSWER -Forge or hammer
_____ must be able to interpret blueprints and welding procedures. - ANSWER -
Welder assemblers
3/4 inch equals 28 millimeters. - ANSWER -False
A ____ gap may require ____. - ANSWER -narrow, more penetration
A ____ is the symbol for a Type C fire extinguisher. - ANSWER -blue circle
A ____ may oversee the actual work for the engineer by providing the engineer
with progress reports as well as chemical, physical, and mechanical test results. -
ANSWER -technician
A brazed joint can be made that has a tensile strength four to five times higher
than the filler metal itself. - ANSWER -True
A cutting torch should never be used to cut open a sealed container. - ANSWER -
True
, A formal apprenticeship is usually required to become a general welder. -
ANSWER -False
A machine cutting torch is sometimes referred to as a(n) ____. - ANSWER -line
burner
A properly sized electrode holder can overheat if its jaws are dirty or loose. -
ANSWER -True
A reverse flow valve will stop the flame from a flashback from continuing through
the hoses. - ANSWER -False
A slight forward torch angle keeps the tip clean for a longer period of time. -
ANSWER -True
A tiny movement such as a heartbeat can cause a ripple in the cut. - ANSWER -
True
A vertical weld is the most common out-of-position weld that a welder is required
to perform. - ANSWER -True
A weld that is high and has little or no fusion is too "cold." To correct this, ____. -
ANSWER -stop welding and make the needed adjustments
A welded tee joint can be strong if it is welded on both sides, even without having
deep penetration. - ANSWER -true
A work clamp ____. - ANSWER -should be carefully touched occasionally to
determine if it is hot
A(n) ____ flame has an excess of oxygen. - ANSWER -oxidizing
A(n) ____ flame has the highest temperature. - ANSWER -oxidizing
A(n) ____ flame is the most commonly used flame because it adds nothing to the
weld metal. - ANSWER -neutral
Acetylene can be used in any tip. - ANSWER -False
Acetylene is used in tips having ____ preheat holes. - ANSWER -one to six
Adding oxygen or carbon dioxide to an inert gas causes the shielding gas to
become ____, which may cause ____ in some ferrous materials. - ANSWER -
oxidizing, porosity
EXAM WITH QUESTIONS AND ANSWERS GRADED A+
____ alloys have excellent wetting, flow, and strength characteristics, but they are
expensive. - ANSWER -Cadmium-silver
____ are usually either hydraulic or flywheel operated. - ANSWER -Power punches
____ can cause an arc to move during a weld. - ANSWER -Uneven flux lines
____ contains little or no unoxidized iron. - ANSWER -Soft slag
____ controls the maximum gap the electrons can jump to form the arc. -
ANSWER -Voltage
____ controls the size of the arc. - ANSWER -Amperage
____ cutting uses a stiff, highly ionized, extremely hot column of gas to almost
instantly vaporize the metal being cut. - ANSWER -Plasma arc
____ electrodes have a forceful arc with little slag left on the weld bead. -
ANSWER -E6010 and E6011
____ fire extinguishers are used for combustible metals such as zinc and
magnesium. - ANSWER -Type D
____ fire extinguishers are used for electrical fires. - ANSWER -Type C
____ have rutile-based fluxes with a thick slag left on the weld bead. - ANSWER -
E6012 and E6013
____ is a gas that is produced by the ultraviolet radiation in the air in the vicinity
of welding operations. - ANSWER -Ozone
____ is a measurement of the amount of electrical energy or power in the arc. -
ANSWER -Wattage
____ is a type of welding. - ANSWER -Gas tungsten arc welding
____ is formed when ultraviolet radiation decomposes chlorinated hydrocarbon. -
ANSWER -Phosgene
____ light is dangerous because the welder cannot feel the light while being
exposed to it, and it may pass through clothing. - ANSWER -Ultraviolet
,____ machines are adjusted by turning a handwheel that moves the internal parts
closer together or farther apart. - ANSWER -Movable coil
____ of a tee joint enables a larger weld to be made than either the butt or lap
joint. - ANSWER -Surface tension in the molten weld pool
____ provide the necessary shielding because they do not form compounds with
any other substance. - ANSWER -Inert gases
____ relies on capillary action to draw filler metal into the joint, whereas ____
does not need capillary action. - ANSWER -Brazing, braze welding
____ respirators are air-purifying respirators that use a blower to force the ambient
air through air-purifying elements to the inlet covering. - ANSWER -Powered air-
purifying
____ seal tips must be tightened with a wrench. - ANSWER -Metal-to-metal
____ welding can be used to weld metal ranging in thickness from thin-gauge
sheet metal to heavy plate by making only a few changes in the welding setup. -
ANSWER -Gas metal arc
____ welding is the most modern. - ANSWER -Fusion
____ welding was introduced first. - ANSWER -Forge or hammer
_____ must be able to interpret blueprints and welding procedures. - ANSWER -
Welder assemblers
3/4 inch equals 28 millimeters. - ANSWER -False
A ____ gap may require ____. - ANSWER -narrow, more penetration
A ____ is the symbol for a Type C fire extinguisher. - ANSWER -blue circle
A ____ may oversee the actual work for the engineer by providing the engineer
with progress reports as well as chemical, physical, and mechanical test results. -
ANSWER -technician
A brazed joint can be made that has a tensile strength four to five times higher
than the filler metal itself. - ANSWER -True
A cutting torch should never be used to cut open a sealed container. - ANSWER -
True
, A formal apprenticeship is usually required to become a general welder. -
ANSWER -False
A machine cutting torch is sometimes referred to as a(n) ____. - ANSWER -line
burner
A properly sized electrode holder can overheat if its jaws are dirty or loose. -
ANSWER -True
A reverse flow valve will stop the flame from a flashback from continuing through
the hoses. - ANSWER -False
A slight forward torch angle keeps the tip clean for a longer period of time. -
ANSWER -True
A tiny movement such as a heartbeat can cause a ripple in the cut. - ANSWER -
True
A vertical weld is the most common out-of-position weld that a welder is required
to perform. - ANSWER -True
A weld that is high and has little or no fusion is too "cold." To correct this, ____. -
ANSWER -stop welding and make the needed adjustments
A welded tee joint can be strong if it is welded on both sides, even without having
deep penetration. - ANSWER -true
A work clamp ____. - ANSWER -should be carefully touched occasionally to
determine if it is hot
A(n) ____ flame has an excess of oxygen. - ANSWER -oxidizing
A(n) ____ flame has the highest temperature. - ANSWER -oxidizing
A(n) ____ flame is the most commonly used flame because it adds nothing to the
weld metal. - ANSWER -neutral
Acetylene can be used in any tip. - ANSWER -False
Acetylene is used in tips having ____ preheat holes. - ANSWER -one to six
Adding oxygen or carbon dioxide to an inert gas causes the shielding gas to
become ____, which may cause ____ in some ferrous materials. - ANSWER -
oxidizing, porosity
