NCSO Exam Questions and Answers
Graded A+
Accident - Correct answer-An unplanned, undesired event that results in property
or equipment damage, injury, death or occupational illness.
Accident investigation - Correct answer-The determination of fats of an accident
by inquiry, observation and examination
Acute exposure - Correct answer-A single exposure or exposure over a short time
Acute Toxic Effects (accute Toxicity) - Correct answer-Effects that take place after
a single exposure or after a short series of exposures within 24hrs
America Conference of Government industrial Hygienist (ACGIH) - Correct
answer-International association of occupational hygienists that develops many
guidelines of the practice of occupational hygiene. One of the most important of
theses guidelines is Threshold Limit Values and Biological Exposure Indices. This
publication serves as the basis for occupational exposure limits in many
jurisdictions around the world.
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,Audit - Correct answer-An evaluation of a health and safety program measuring its
effectiveness and efficiency against given standards. it helps enable the company to
improve its health and safety program.
Auditor - Correct answer-An individual who has the qualification and skill set to
measure health and safety performance against a given standard
Certification of Recognition (COR) - Correct answer-An accreditation given to an
employer's health and safety management system that has been evaluated by a
certified auditor.
Chronic Exposure - Correct answer-An exposure to a low concentration of
substance over extended period of time
Chronic Toxic Effects ( Chronic Toxicity) - Correct answer-The effects that occur
after chronic exposure or that occur a long time after exposure.
CLC - Correct answer-Canada Labour Code
Company Rules - Correct answer-Company directives that govern and control
conduct that action at the workplace. These rules are basic written statements that
dictate acceptable behaviour and leave no room for discretion or argument. Also
referred to as safe work rules.
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, Company Health & Safety Policy - Correct answer-A current written statement(s)
of Senior Management's philosophy, principles, and goals embodying the
company/employer's commitments to workplace health and safety
Competent - Correct answer-Having the necessary ability and skills.
Complex Mixture - Correct answer-A mixture that is a combination of many
chemicals, has a commonly known generic name and is any of the following:
naturally occurring, a fraction of naturally occuring mixture that results from a
separation process, a modification of a naturally occurring mixture, a modification
of a fraction of naturally occurring mixture that results from a chemical
modification process.
Constructor - Correct answer-The contractor, employer or other person who enters
into an agreement with the owner of the work site to be the prime contractor. The
constructor has the overall responsibility for health and safety on the worksite.
Critical Task - Correct answer-A task that has the potential to produce major loss to
people, equipment, process or the environment.
Cumulative Toxic Effects - Correct answer-Effects that usually occur after long
term exposure to a substance. Individual exposures occur many times and the
effects accumulate. Even very small individual exposures may result in a toxic
effect.
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Graded A+
Accident - Correct answer-An unplanned, undesired event that results in property
or equipment damage, injury, death or occupational illness.
Accident investigation - Correct answer-The determination of fats of an accident
by inquiry, observation and examination
Acute exposure - Correct answer-A single exposure or exposure over a short time
Acute Toxic Effects (accute Toxicity) - Correct answer-Effects that take place after
a single exposure or after a short series of exposures within 24hrs
America Conference of Government industrial Hygienist (ACGIH) - Correct
answer-International association of occupational hygienists that develops many
guidelines of the practice of occupational hygiene. One of the most important of
theses guidelines is Threshold Limit Values and Biological Exposure Indices. This
publication serves as the basis for occupational exposure limits in many
jurisdictions around the world.
©COPYRIGHT 2025, ALL RIGHTS RESERVED 1
,Audit - Correct answer-An evaluation of a health and safety program measuring its
effectiveness and efficiency against given standards. it helps enable the company to
improve its health and safety program.
Auditor - Correct answer-An individual who has the qualification and skill set to
measure health and safety performance against a given standard
Certification of Recognition (COR) - Correct answer-An accreditation given to an
employer's health and safety management system that has been evaluated by a
certified auditor.
Chronic Exposure - Correct answer-An exposure to a low concentration of
substance over extended period of time
Chronic Toxic Effects ( Chronic Toxicity) - Correct answer-The effects that occur
after chronic exposure or that occur a long time after exposure.
CLC - Correct answer-Canada Labour Code
Company Rules - Correct answer-Company directives that govern and control
conduct that action at the workplace. These rules are basic written statements that
dictate acceptable behaviour and leave no room for discretion or argument. Also
referred to as safe work rules.
©COPYRIGHT 2025, ALL RIGHTS RESERVED 2
, Company Health & Safety Policy - Correct answer-A current written statement(s)
of Senior Management's philosophy, principles, and goals embodying the
company/employer's commitments to workplace health and safety
Competent - Correct answer-Having the necessary ability and skills.
Complex Mixture - Correct answer-A mixture that is a combination of many
chemicals, has a commonly known generic name and is any of the following:
naturally occurring, a fraction of naturally occuring mixture that results from a
separation process, a modification of a naturally occurring mixture, a modification
of a fraction of naturally occurring mixture that results from a chemical
modification process.
Constructor - Correct answer-The contractor, employer or other person who enters
into an agreement with the owner of the work site to be the prime contractor. The
constructor has the overall responsibility for health and safety on the worksite.
Critical Task - Correct answer-A task that has the potential to produce major loss to
people, equipment, process or the environment.
Cumulative Toxic Effects - Correct answer-Effects that usually occur after long
term exposure to a substance. Individual exposures occur many times and the
effects accumulate. Even very small individual exposures may result in a toxic
effect.
©COPYRIGHT 2025, ALL RIGHTS RESERVED 3
