CHST Exam 2024 Questions and
Answers 100% Pass
not less than 25 feet and not more than 75 feet - ✔✔On a construction site, fire
extinguishers should be how close/how far from flammable materials?
How to determine modified rate - ✔✔modification rate X manual rate
If a company is cited by OSHA, you must post the violation for how many days? -
✔✔Three
What is article 500 of the NEC - ✔✔Hazardous Locations
Balance by design and blast gate methods - ✔✔According to the ACGIH, there are two
ways to control air flor distribution
nA sphere, 2 foot in diameter, centered on the head
nOf course, the closer the better... - ✔✔When taking measurements in the "hearing
zone", in a non-reverberant environment, what is the recommended distance?
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, What is the definition of a STS?(1910.95) - ✔✔nThe Standard Threshold Shift, that is
revealed by the annual audiogram, is a shift from the baseline of 10db or more in the
2000, 3000, or 4000 Hz in the left or right ear. (A Hz is one cycle per second)v
Once a Significant Threshold Shift is observed for an employee, the hearing protection
attenuation must reduce the exposure to... - ✔✔TWA of 85 DB
impact or impulse noise should be limited to? - ✔✔140 db peak sound pressure level
NFPA 704 Diamond - ✔✔Red - flammability, BLUE - health hazard, YELLOW -
reactivity, WHITE - reacts with water, oxidizing problems, special precautions
(anything greater than "1" = stop
NFPA 101 Requires minimum access width to an exit to be? - ✔✔28 inches
how many days does an employer have to contest a citation? - ✔✔15 days
the ear is most suseptible to noise in the range of - ✔✔1000- 4000 hz
the most effective typse of fire extinguisher for class b fire are - ✔✔1. foam 2. CO2 3.
Dry chemical
nThe lowest temperature at which a flammable gas or vapor-air mixture will ignite
from it's own heat source or a contacted heat source without the necessity of a spark or
flame - ✔✔Auto ignition temperature
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Answers 100% Pass
not less than 25 feet and not more than 75 feet - ✔✔On a construction site, fire
extinguishers should be how close/how far from flammable materials?
How to determine modified rate - ✔✔modification rate X manual rate
If a company is cited by OSHA, you must post the violation for how many days? -
✔✔Three
What is article 500 of the NEC - ✔✔Hazardous Locations
Balance by design and blast gate methods - ✔✔According to the ACGIH, there are two
ways to control air flor distribution
nA sphere, 2 foot in diameter, centered on the head
nOf course, the closer the better... - ✔✔When taking measurements in the "hearing
zone", in a non-reverberant environment, what is the recommended distance?
100% Pass Guarantee Emilly Charlotte, All Rights Reserved © 2025 1
, What is the definition of a STS?(1910.95) - ✔✔nThe Standard Threshold Shift, that is
revealed by the annual audiogram, is a shift from the baseline of 10db or more in the
2000, 3000, or 4000 Hz in the left or right ear. (A Hz is one cycle per second)v
Once a Significant Threshold Shift is observed for an employee, the hearing protection
attenuation must reduce the exposure to... - ✔✔TWA of 85 DB
impact or impulse noise should be limited to? - ✔✔140 db peak sound pressure level
NFPA 704 Diamond - ✔✔Red - flammability, BLUE - health hazard, YELLOW -
reactivity, WHITE - reacts with water, oxidizing problems, special precautions
(anything greater than "1" = stop
NFPA 101 Requires minimum access width to an exit to be? - ✔✔28 inches
how many days does an employer have to contest a citation? - ✔✔15 days
the ear is most suseptible to noise in the range of - ✔✔1000- 4000 hz
the most effective typse of fire extinguisher for class b fire are - ✔✔1. foam 2. CO2 3.
Dry chemical
nThe lowest temperature at which a flammable gas or vapor-air mixture will ignite
from it's own heat source or a contacted heat source without the necessity of a spark or
flame - ✔✔Auto ignition temperature
100% Pass Guarantee Emilly Charlotte, All Rights Reserved © 2025 2
