EXAM 2025-2026 ACTUAL EXAM WITH
COMPLETE QUESTIONS AND CORRECT
ANSWERS RATED A+
How many years of loss records is a retrospective rating of
workers compensation insurance premiums based on? Correct
Answer Last three
How often does a water fire extinguisher require hydrostatic
testing? Correct Answer Every five years
If a direct current rotary generator has a commutator ring; what
does a A.C. generator have? Correct Answer Slip rings
If a material with a molecular weight of 90 evaporates from an
enclosed process tank, where would it accumulate? Correct
Answer "On the floor
MW is very heavy and molecular weight of air is approximately 30
,"
If you experience a high pressure fitting leak, what should be the
procedure in making the repairs? Correct Answer Depressurize to
gage zero immediately
In a newly constructed building; when should safety problems
have been discovered and corrected? Correct Answer During
review of the building design plans
In a ventilation system, which operation would require the
greatest capture velocity? Correct Answer Grinding
In epidemiology, the term incidence rate is often used to indicate
the number of ______ that occurred in a given period of time.
Correct Answer New cases
In ionizing radiation, what are the most penetrating and what are
the least penetrating? Correct Answer X-rays and gamma rays
are the most penetrating and alpha particles are the least
penetrating.
In project management, the work that must be performed to
deliver a product, service, or result with the specified features and
functions is called??? Correct Answer "Project scope
,A program evaluation is similar to an audit and is defined as a
measurement of results against accepted criteria
"
In ventilation hood design, what is the function of the slot in a slot
hood? Correct Answer Obtain proper air distribution
Inert gases Correct Answer Do not support combustion
Inspection of wire rope for lifting or hoisting does not include
what? Correct Answer "Interlay of chock wires
But it does include the following:
Wear of crown wires
Lubrication
kinking
"
Is a short exposure to a chemical above the established TLV
permissible as long as the TWA is not exceeded? Correct Answer
Yes-unless the TLV-C is exceeded
, Is Poisson distribution used when occurrences of an event are
small, but the number of cases is large enough to assure a few
occurrences? Correct Answer "True
"
Leukemia Correct Answer "Type of cancer that may be produced
within the body as a result of over-exposure to ionizing radiation.
Various solvents are linked with leukemia-i.e. benzene
"
Light re: radiation? Correct Answer Light is also a form of
radiation. It follows the inverse square law. The quantity of
illumination is measured in foot-candles.
Lower flammable limit Correct Answer Minimum vapor
concentration supporting combustion
Management Correct Answer Function of planning; organizing;
coordination and measuring information and using that data to
persuade an organization to move in a specific direction.
Many NIOSH employees are commissioned officers in what
organization? Correct Answer Public Health Service