EXAM 2026 ACTUAL EXAM WITH REAL
EXAM QUESTIONS AND CORRECT
ANSWERS GRADED A+
The wavelength of the visible region of the electromagnetic
spectrum extends from _________ Correct Answer 400 to 780
namometers
Three classes of types of safeguards are: fixed guards;
interlocking guards and________ Correct Answer automatic
Three leading causes of fire in the United States according to the
Factory Mutual Engineering Corp are? Correct Answer Electrical,
smoking and hot surfaces
Threshold limit value time weighted average? Correct Answer It is
the time weighted average, in an 8 hour workday and a 40-hour
workweek, to which nearly all workers may be repeatedly
exposed to without any adverse health effects.
Through what major routes do toxic materials enter the body
through? Correct Answer Inhalation, skin absorption and ingestion
,TLV-C (Threshold limit value ceiling) Correct Answer The
maximum concentration of a chemical that should not be
exceeded even momentarily.
TLV-STEL (Threshold limit value short term exposure limit)
Correct Answer The maximum allowable concentration of a
chemical for exposures not exceeding 15 minutes.
To be classified as a fiber the aspect ratio (length to diameter)
must be greater than??? Correct Answer 3 to 1
To protect against product liability claims, how long should a
company maintain design records? Correct Answer As long as
possible
To reduce the emissions of gasoline-fueled forklifts in a
warehouse, what is the best option if you cannot use electrical
trucks? Correct Answer Convert to LP
Tuberculosis-bacterial Correct Answer Inhalation, contact with
lesions. Silica workers, people exposed to heat and organic dusts,
medical personnel, animal carertakers.
,Under what condition would fault-tree analysis be least effective?
Correct Answer "Analysis before design
Fault tree requires the matter be complete
"
Under what conditions would the use of a 5000 fpm exhaust duct
velocity be justified for extended periods in a ventilation system?
Correct Answer Reduce settling
Uniform illumination throughout a given area is defined as a
situation where: Correct Answer Distribution of light is such that
the maximum or minimum illumination at any given point within
the area is not more than one-sixth above or below the average
value in the area
Upper flammable limit Correct Answer Maximum vapor
concentration supporting combustion
Ventilation work; TP or total pressure is_____ Correct Answer
Measured parallel to the axis of flow
Warehouse aisles used by forklifts and pedestrians must be how
wide? Correct Answer Three feet wider than the widest forklift
, What analysis technique where individuals are interviewed about
accidents, near misses and hazardous conditions is? Correct
Answer Critical incident technique
What analytical technique deals with human error prediction?
Correct Answer "THERP-technique for human error rate
prediction
FTA is the acronym for fault tree analysis
FMECA is the acronym for failure mode effects & criticality
analysis
PHA is acronym for preliminary hazard analysis
"
What are asphyxiants? Difference between simple and chemical
asphyxiants? Correct Answer "Substances that can cause
suffocation by preventing oxygen from reaching tissues.
Simple asphyxiants-gases/vapors that are not toxic by themselves
but can cause suffocation as a result of reducing the oxygen
concentration. i.e hydrogen and nitrogen