NCCER CORE MODULE 1 2026
When in storage, oxygen and fuel cylinders used in oxyfuel cutting must be
separated by ___. - ANSWER-20 feet
Grease and oil must be kept away from oxygen tanks because ___. - ANSWER-
Grease or oil can cause oxygen to explode
Which of these must be present in the same place at the same time for a fire to
occur? - ANSWER-Oxygen, heat and fuel
A fire extinguisher labeled C would be used to fight a(n) ___. - ANSWER-
Electrical fire
Which of the following characteristics is typical of a confined space? -
ANSWER-It has a limited amount of ventilation
The formal procedure for taking equipment out of service ensuring it cannot be
operated until an authorized person has returned it to service is ___. -
ANSWER-Lockout/tagout
A(n) ___ is any man-made cut, cavity, trench, or depression in an earth surface,
formed by removing earth. - ANSWER-Excavation
A(n) ___ identifies unsanitary, hazardous, or dangerous working conditions and
has the authority to correct or eliminate them. - ANSWER-Competent person
A(n) ___ is large enough to work in but has limited means of entry or exit. -
ANSWER-Confined space
, Liquids that are ___ must be stored in safety cans to avoid the risk of fire. -
ANSWER-Flammable
A(n) ___ has proven his or her extensive knowledge, training, and experience
and has successfully demonstrated the ability to solve problems relating to the
work. - ANSWER-Qualified person
A(n) ___ provides clean air for breathing. - ANSWER-Respirator
A(n) ___ is an elevated working platform for workers and material. -
ANSWER-Scaffold
Working near a hazard, but not actually in contact with it is known as ___. -
ANSWER-Proximity work
A vertical barrier called a(n) ___ used at floor level on scaffolds to prevent
materials from falling. - ANSWER-Toeboard
A(n) ___ shows which way the wind is blowing. - ANSWER-Windsock
A horizontal board called a(n) ___ is used at top-level on all open sides of
scaffolds and platforms. - ANSWER-Top rail
The ___ is a general construction rule that states that fall protection is required
any time you are working 6 feet above a lower level. - ANSWER-six-foot rule
___ is the company organization that includes reporting procedures and
supervisory responsibility. - ANSWER-Management system
The process of joining metal parts using an electric arc is known as ___. -
ANSWER-Arc welding
When in storage, oxygen and fuel cylinders used in oxyfuel cutting must be
separated by ___. - ANSWER-20 feet
Grease and oil must be kept away from oxygen tanks because ___. - ANSWER-
Grease or oil can cause oxygen to explode
Which of these must be present in the same place at the same time for a fire to
occur? - ANSWER-Oxygen, heat and fuel
A fire extinguisher labeled C would be used to fight a(n) ___. - ANSWER-
Electrical fire
Which of the following characteristics is typical of a confined space? -
ANSWER-It has a limited amount of ventilation
The formal procedure for taking equipment out of service ensuring it cannot be
operated until an authorized person has returned it to service is ___. -
ANSWER-Lockout/tagout
A(n) ___ is any man-made cut, cavity, trench, or depression in an earth surface,
formed by removing earth. - ANSWER-Excavation
A(n) ___ identifies unsanitary, hazardous, or dangerous working conditions and
has the authority to correct or eliminate them. - ANSWER-Competent person
A(n) ___ is large enough to work in but has limited means of entry or exit. -
ANSWER-Confined space
, Liquids that are ___ must be stored in safety cans to avoid the risk of fire. -
ANSWER-Flammable
A(n) ___ has proven his or her extensive knowledge, training, and experience
and has successfully demonstrated the ability to solve problems relating to the
work. - ANSWER-Qualified person
A(n) ___ provides clean air for breathing. - ANSWER-Respirator
A(n) ___ is an elevated working platform for workers and material. -
ANSWER-Scaffold
Working near a hazard, but not actually in contact with it is known as ___. -
ANSWER-Proximity work
A vertical barrier called a(n) ___ used at floor level on scaffolds to prevent
materials from falling. - ANSWER-Toeboard
A(n) ___ shows which way the wind is blowing. - ANSWER-Windsock
A horizontal board called a(n) ___ is used at top-level on all open sides of
scaffolds and platforms. - ANSWER-Top rail
The ___ is a general construction rule that states that fall protection is required
any time you are working 6 feet above a lower level. - ANSWER-six-foot rule
___ is the company organization that includes reporting procedures and
supervisory responsibility. - ANSWER-Management system
The process of joining metal parts using an electric arc is known as ___. -
ANSWER-Arc welding
