NCCER Welding Level 1 Module 2: Oxyfuel Cutting Exam
#1 Question with verified answers
ferrous metals - √√What use is oxyfuel cutting best suited for?
oxidize - √√The stream of high pressure cutting oxygen that is directed from an
oxyfuel torch causes to metal to instantly _____?
3-6 - √√The recommended range of tinting for either the face shield or the safety
glass lenses used during an oxyfuel cutting operation is ______?
Oxyfuel gas welding or cutting - √√Most welding environment fires occur during
_____?
Fill it with water or a purge gas - √√When preparing a tank or vessel that might
have contained flammable materials to be cut with an oxyfuel cutting torch, the
best approach is to ______?
A high pressure jet of cutting oxygen - √√When pure oxygen is combined with a
fuel gas, it produces a ______?
227 cubic feet - √√The most common size of oxygen cylinder used in oxyfuel
cutting applications is ______?
Stand the cylinder upright and wait at least one hour - √√If an acetylene cylinder
is found lying on its side, what should be done before it is used?
, 1/7 of the cylinder's capacity - √√The maximum hourly rate at which acetylene gas
can be withdrawn from a cylinder is _____?
Propane - √√The fuel gas that burns with the lowest flame temperature is
_______.
The pressure of the gas leaving the cylinder (downstream) - √√Most gas pressure
regulators contain two gauges- one that indicates the cylinder pressure
(upstream), and one that indicates the ______?
Fuel gas fittings - √√Oxyfuel cutting equipment that has left hand threads and a V-
notch in the nut are most likely to be ______?
The injector torch - √√The type of cutting torch that uses a vacuum created by
oxygen flow from a very low pressure source is ______.
Flint - √√A friction lighter produces sparks when it's steel surface is rubbed with a
piece of ______.
Motor driven equipment - √√A computer-controlled plate cutting machine and an
optical pattern-tracing machine are examples of _______.
Removing dirt from the valves - √√Cracking the cylinder valves during the set-up
of oxyfuel equipment is a way of _______?
Closed - √√Before opening cylinder valves, verify that the adjusting screws on the
oxygen and fuel gas regulators have been _______.
#1 Question with verified answers
ferrous metals - √√What use is oxyfuel cutting best suited for?
oxidize - √√The stream of high pressure cutting oxygen that is directed from an
oxyfuel torch causes to metal to instantly _____?
3-6 - √√The recommended range of tinting for either the face shield or the safety
glass lenses used during an oxyfuel cutting operation is ______?
Oxyfuel gas welding or cutting - √√Most welding environment fires occur during
_____?
Fill it with water or a purge gas - √√When preparing a tank or vessel that might
have contained flammable materials to be cut with an oxyfuel cutting torch, the
best approach is to ______?
A high pressure jet of cutting oxygen - √√When pure oxygen is combined with a
fuel gas, it produces a ______?
227 cubic feet - √√The most common size of oxygen cylinder used in oxyfuel
cutting applications is ______?
Stand the cylinder upright and wait at least one hour - √√If an acetylene cylinder
is found lying on its side, what should be done before it is used?
, 1/7 of the cylinder's capacity - √√The maximum hourly rate at which acetylene gas
can be withdrawn from a cylinder is _____?
Propane - √√The fuel gas that burns with the lowest flame temperature is
_______.
The pressure of the gas leaving the cylinder (downstream) - √√Most gas pressure
regulators contain two gauges- one that indicates the cylinder pressure
(upstream), and one that indicates the ______?
Fuel gas fittings - √√Oxyfuel cutting equipment that has left hand threads and a V-
notch in the nut are most likely to be ______?
The injector torch - √√The type of cutting torch that uses a vacuum created by
oxygen flow from a very low pressure source is ______.
Flint - √√A friction lighter produces sparks when it's steel surface is rubbed with a
piece of ______.
Motor driven equipment - √√A computer-controlled plate cutting machine and an
optical pattern-tracing machine are examples of _______.
Removing dirt from the valves - √√Cracking the cylinder valves during the set-up
of oxyfuel equipment is a way of _______?
Closed - √√Before opening cylinder valves, verify that the adjusting screws on the
oxygen and fuel gas regulators have been _______.
