NCCER Core Module 2 - Basic Safety - Complete Module Exam Prep, Practice Questions & Verified Answers
Ground The conducting connection between electrical equipment or an electrical circuit and
the earth
3 wire system One of the most common safety grounding systems used to protect you from
incidental electrical shock
double insolated tools A more common feature used on corded tools to prevent electrical shock and also
can only be connected to a polarized receptical
arc welding The joining of metal parts by fusion, in which the necessary heat is produced by
means of an electric arc.
Tinted goggles What type of eye protection must be used by welders
2 feet If a noise level is so great that you have to raise your voice to be heard, how far
should a person be away from you to use hearing protection
High-efficiency particulate arrestance (HEPA) filters Special filters designed to capture very small particles.
Half mask or mouthpiece What mask should you use if you are in areas you might inhale dust or other solid
particles
Immediately If you come in contact with someone's blood how long should you wait before
washing, make sure to notify your supervisor right away
Heat stroke Life threatening hazard caused by heat
Cold stress What results when your body temperatures drops a few degrees below normal and
you begin to shiver uncontrollably and become weak
Welding curtain A protective screen set up around a welding operation designed to safeguard
workers not directly involved in that operation.
Flash burn The damage that can be done to eyes after even brief exposure to ultraviolet light
from arc welding. A flash burn requires medical attention.
heat, oxygen, fuel Fire has been described as having three components
Permit-required confined space A confined space that has been evaluated and found to have actual or potential
hazards, such as a toxic atmosphere or other serious safety or health hazard.
Workers need written authorization to enter a permit-required confined space.
Stuvia.com 2026 - 2027
, NCCER Core Module 2 - Basic Safety - Complete Module Exam Prep, Practice Questions & Verified Answers
Lockout/tagout (LOTO) A formal procedure for taking equipment out of service and ensuring that it cannot
be operated until an authorized person has removed the lock and/or warning tag.
Ground Fault Circuit Interrupter (GFCI) A device that interrupts and de-energizes an electrical circuit to protect a person
from electrocution.
Proximity work Work done near a hazard but not actually in contact with it.
arc welding The joining of metal parts by fusion, in which the necessary heat is produced by
means of an electric arc.
Silicosis A serious lung disease resulting from the inhalation of crystalline silica particles.
chronic obstructive pulmonary disease (COPD) Lung disease that results in the obstruction of lung airflow and interferes with
normal breathing.
Clean rooms A room or area that is used for scientific research or specialized processes, such as
the manufacture of pharmaceuticals and semiconductors.
Wind sock A cloth cone open at both ends mounted in a high place to show which direction the
wind is blowing
Welding curtains protective screens set up around a welding operation designed to safeguard
workers not directly involved in that operation
Brazing A process using heat in excess of 800 degrees F to melt a filler metal that is drawn
into a connection. Commonly used to join a copper pipe.
Flash point The temperature at which a fuel gives off enough vapor to burn
Qualified person A person who, by possession of a recognized degree, certificate, or professional
standing, or by extensive knowledge, training, and experience, has demonstrated
the ability to solve or prevent problems relating to a certain subject, work, or project.
Less turnover A company with strong saftey culture has characteristics such as, fewer at-risk
behaviors, lower incedent and accident rates, lower absenteeism, higher
productivity and "_________"
The "fatal four" includes, struck by hazards, caught in or Falls
caught between hazards, electrical hazards, and
"_________"
Informational sign These specific signs are blue and typically indicate "no admittance", "no
tresspassing", and "for employees only"
Stuvia.com 2026 - 2027
Ground The conducting connection between electrical equipment or an electrical circuit and
the earth
3 wire system One of the most common safety grounding systems used to protect you from
incidental electrical shock
double insolated tools A more common feature used on corded tools to prevent electrical shock and also
can only be connected to a polarized receptical
arc welding The joining of metal parts by fusion, in which the necessary heat is produced by
means of an electric arc.
Tinted goggles What type of eye protection must be used by welders
2 feet If a noise level is so great that you have to raise your voice to be heard, how far
should a person be away from you to use hearing protection
High-efficiency particulate arrestance (HEPA) filters Special filters designed to capture very small particles.
Half mask or mouthpiece What mask should you use if you are in areas you might inhale dust or other solid
particles
Immediately If you come in contact with someone's blood how long should you wait before
washing, make sure to notify your supervisor right away
Heat stroke Life threatening hazard caused by heat
Cold stress What results when your body temperatures drops a few degrees below normal and
you begin to shiver uncontrollably and become weak
Welding curtain A protective screen set up around a welding operation designed to safeguard
workers not directly involved in that operation.
Flash burn The damage that can be done to eyes after even brief exposure to ultraviolet light
from arc welding. A flash burn requires medical attention.
heat, oxygen, fuel Fire has been described as having three components
Permit-required confined space A confined space that has been evaluated and found to have actual or potential
hazards, such as a toxic atmosphere or other serious safety or health hazard.
Workers need written authorization to enter a permit-required confined space.
Stuvia.com 2026 - 2027
, NCCER Core Module 2 - Basic Safety - Complete Module Exam Prep, Practice Questions & Verified Answers
Lockout/tagout (LOTO) A formal procedure for taking equipment out of service and ensuring that it cannot
be operated until an authorized person has removed the lock and/or warning tag.
Ground Fault Circuit Interrupter (GFCI) A device that interrupts and de-energizes an electrical circuit to protect a person
from electrocution.
Proximity work Work done near a hazard but not actually in contact with it.
arc welding The joining of metal parts by fusion, in which the necessary heat is produced by
means of an electric arc.
Silicosis A serious lung disease resulting from the inhalation of crystalline silica particles.
chronic obstructive pulmonary disease (COPD) Lung disease that results in the obstruction of lung airflow and interferes with
normal breathing.
Clean rooms A room or area that is used for scientific research or specialized processes, such as
the manufacture of pharmaceuticals and semiconductors.
Wind sock A cloth cone open at both ends mounted in a high place to show which direction the
wind is blowing
Welding curtains protective screens set up around a welding operation designed to safeguard
workers not directly involved in that operation
Brazing A process using heat in excess of 800 degrees F to melt a filler metal that is drawn
into a connection. Commonly used to join a copper pipe.
Flash point The temperature at which a fuel gives off enough vapor to burn
Qualified person A person who, by possession of a recognized degree, certificate, or professional
standing, or by extensive knowledge, training, and experience, has demonstrated
the ability to solve or prevent problems relating to a certain subject, work, or project.
Less turnover A company with strong saftey culture has characteristics such as, fewer at-risk
behaviors, lower incedent and accident rates, lower absenteeism, higher
productivity and "_________"
The "fatal four" includes, struck by hazards, caught in or Falls
caught between hazards, electrical hazards, and
"_________"
Informational sign These specific signs are blue and typically indicate "no admittance", "no
tresspassing", and "for employees only"
Stuvia.com 2026 - 2027
