NCCER CORE - MODULE 1 | 138 QUESTIONS AND
ANSWERS | 2026 UPDATE WITH COMPLETE SOLUTION
Accident Answer - According to the US Occupational Safety and Health
Administration (OSHA), an unplanned event that results in personal injury
and/or property damage.
Combustible Answer - Capable of easily igniting and rapidly burning; used to
describe a fuel with a flash point at, or above, 100 F (38 C).
Competent Person Answer - A person who is capable of identifying existing
and predictable hazards in the surroundings or working conditions that are
unsanitary, hazardous, or dangerous to employees, and who has authorization
to take prompt corrective measures to eliminate them.
Confined Space Answer - A work area large enough for a person to work, but
arranged in such a way that an employee must physically enter the space to
perform work. A confined space has a limited or restricted means of entry and
exit. It is not designed for continuous work. Tanks, vessels, silos, pits, vaults,
and hoppers are examples of confined spaces.
Flammable Answer - Capable of easily igniting and rapidly burning; used to
describe a fuel with a flash point below 100 F (38 C).
Ground Fault Answer - Incidental grounding of a conducting electrical wire.
,Hazard Communication (HAZCOM) Standard Answer - The OSHA standard that
requires contractors to educate employees about hazardous chemicals on the
job site and how to work with them safely.
Hydraulic Answer - Powered by fluid under pressure.
Incident Answer - Per the US OSHA, an unplanned event that does not result in
personal injury but may result in property damage or is worthy of recording.
Management System Answer - The organization of a company's management,
including reporting procedures, supervisory responsibility, and administration.
Occupational Safety and Health Administration (OSHA) Answer - An agency of
the US Department of Labor. Also refers to the Occupational Safety and Health
Act of 1970, a law that applies to more than 111 million workers and 7 million
job sites in the US.
Personal Protective Equipment (PPE) Answer - Equipment or clothing designed
to prevent or reduce injuries.
Pneumatic Answer - Powered by air pressure, such as a pneumatic tool.
Respirator Answer - A device that provides clean, filtered air for breathing, no
matter what is in the surrounding air.
Safety Culture Answer - The culture created when the whole company sees the
value of a safe work environment.
Safety Data Sheet (SDS) Answer - A document that must accompany any
hazardous substance. The SDS identifies the substance and gives the exposure
, limits, the physical and chemical characteristics, the kind of hazard it presents,
precautions for safe handling and use, and specific control measures.
Trench Answer - A narrow excavation made below the surface of the ground
that is generally deeper that it is wide, with a maximum width of 15 feet (4.6
m).
The person primarily responsible for your safety is ___. Answer - Yourself
The color commonly used for informational signs is ___. Answer - Blue
The SDS for any chemical used at a job site must be available ___. Answer - At
the job site
Cross-bracing Answer - Braces (metal or wood) placed diagonally from the
bottom of one rail to the top of another rail that add support to a structure.
Excavation Answer - Any man-made cut, cavity, trench, or depression in an
earth surface, formed by removing earth. It can be made for anything from
basements to highways.
Guarded Answer - Enclosed, fenced, covered, or otherwise protected by
barriers, rails, covers, or platforms to prevent dangerous contact.
Hand line Answer - A line attached to a tool or object so a worker can pull it up
after climbing a ladder or scaffold.
Lanyard Answer - A short section of rope or strap, one end of which is attached
to a worker's safety harness and the other to a strong anchor point above the
work area.
ANSWERS | 2026 UPDATE WITH COMPLETE SOLUTION
Accident Answer - According to the US Occupational Safety and Health
Administration (OSHA), an unplanned event that results in personal injury
and/or property damage.
Combustible Answer - Capable of easily igniting and rapidly burning; used to
describe a fuel with a flash point at, or above, 100 F (38 C).
Competent Person Answer - A person who is capable of identifying existing
and predictable hazards in the surroundings or working conditions that are
unsanitary, hazardous, or dangerous to employees, and who has authorization
to take prompt corrective measures to eliminate them.
Confined Space Answer - A work area large enough for a person to work, but
arranged in such a way that an employee must physically enter the space to
perform work. A confined space has a limited or restricted means of entry and
exit. It is not designed for continuous work. Tanks, vessels, silos, pits, vaults,
and hoppers are examples of confined spaces.
Flammable Answer - Capable of easily igniting and rapidly burning; used to
describe a fuel with a flash point below 100 F (38 C).
Ground Fault Answer - Incidental grounding of a conducting electrical wire.
,Hazard Communication (HAZCOM) Standard Answer - The OSHA standard that
requires contractors to educate employees about hazardous chemicals on the
job site and how to work with them safely.
Hydraulic Answer - Powered by fluid under pressure.
Incident Answer - Per the US OSHA, an unplanned event that does not result in
personal injury but may result in property damage or is worthy of recording.
Management System Answer - The organization of a company's management,
including reporting procedures, supervisory responsibility, and administration.
Occupational Safety and Health Administration (OSHA) Answer - An agency of
the US Department of Labor. Also refers to the Occupational Safety and Health
Act of 1970, a law that applies to more than 111 million workers and 7 million
job sites in the US.
Personal Protective Equipment (PPE) Answer - Equipment or clothing designed
to prevent or reduce injuries.
Pneumatic Answer - Powered by air pressure, such as a pneumatic tool.
Respirator Answer - A device that provides clean, filtered air for breathing, no
matter what is in the surrounding air.
Safety Culture Answer - The culture created when the whole company sees the
value of a safe work environment.
Safety Data Sheet (SDS) Answer - A document that must accompany any
hazardous substance. The SDS identifies the substance and gives the exposure
, limits, the physical and chemical characteristics, the kind of hazard it presents,
precautions for safe handling and use, and specific control measures.
Trench Answer - A narrow excavation made below the surface of the ground
that is generally deeper that it is wide, with a maximum width of 15 feet (4.6
m).
The person primarily responsible for your safety is ___. Answer - Yourself
The color commonly used for informational signs is ___. Answer - Blue
The SDS for any chemical used at a job site must be available ___. Answer - At
the job site
Cross-bracing Answer - Braces (metal or wood) placed diagonally from the
bottom of one rail to the top of another rail that add support to a structure.
Excavation Answer - Any man-made cut, cavity, trench, or depression in an
earth surface, formed by removing earth. It can be made for anything from
basements to highways.
Guarded Answer - Enclosed, fenced, covered, or otherwise protected by
barriers, rails, covers, or platforms to prevent dangerous contact.
Hand line Answer - A line attached to a tool or object so a worker can pull it up
after climbing a ladder or scaffold.
Lanyard Answer - A short section of rope or strap, one end of which is attached
to a worker's safety harness and the other to a strong anchor point above the
work area.
