CHST EXAMPREP SOLVED QUESTIONS
WITH DETAILED ANSWERS FULL
SOLUTION VIEW
●● A Noise-Hazard Control Program (and associated Hearing
Conservation Program) is required under OSHA regulation 29 CFR
1910.95 (Occupational Noise Exposure) where workers may be exposed
to noise levels in excess of an eight -hour-time-weighted average of..
Answer: 2. 85 decibels (dB)
●● As per 29 CFR 1910.1001, the allowable eight-hour exposure limit
concentration to asbestos fibers is not to exceed which of the following?
Answer: 3. 0.1 fibers per cm^3 of air
●● Per OSHA regulations 29 CFR 1910.25-1910.27, the maximum
length a single ladder or a single section of ladder may be is..
Answer: 4. No greater than 30 feet
●● Which of the following is NOT stipulated as a hazardous waste
material attribute to which the U.S. Environmental Protection Agency
extends a designated waste code (e.g., #D001), as per 40 CFR 261,
Subpart C?
Answer: 5. Mutagenicity
,●● In a construction environment, which of the following types of PPE
is most suitable for protecting the eyes against airborne dust?
Answer: 6. Safety goggles
●● At what minimum frequency must electrical-insulating gloves be
tested to ensure they adequately protect workers against electrical
shock?
Answer: 7. Every six months
●● The most useful tool that CHST's can potentially use for evaluating
system safety levels at smaller-scale worksites is a(n):
Answer: 8. Job Safety Analysis (JSA)
●● If 25 or more employees are to be working unserground at the same
time, which of the following safety procedures MUST be in effect?
Answer: 9. Two separate rescue teams must be available. One within 30
minutes travel and the second within two hours travel
●● If a five-foot deep trench is dug in clay material, what angle must the
trench wall not exceed?
Answer: 10. 53 degrees
●● "Lifting Index" (LI) is calculated per which of the following?
Answer: 11. Load weight / recommended weight limit
,●● "Flash Point" is most accurately defined as which of the following?
Answer: 12. The lowest temperature at which a flammable liquid can
form an ignitable mixture in air
●● Which of the following does a mobile crane operator NOT need to be
aware of in order to ensure a safe lift?
Answer: 13. The width of the jib
●● To what part of the body does a body harness typically NOT
distribute any significant fall-arrest force?
Answer: 14. Lower back
●● " Recommended weight limit" (RWL) is most accurately defined as
which of the following?
Answer: 15. The weight that healthy workers could lift for up to eight
hours without causing injuries
●● The Heinrich "incident to injury ratio" model states that for every
330 accidents,---- result in no injuries, ---- cause minor injuries, and ----
cause major injuries.
Answer: 16. 300,29,1
●● Which of the following is regarded as the "three E's of safety"?
, Answer: 17. Engineering, Education, Enforcement
●● Total case incident rate ( TCIR) is calculated via which of the
following?
Answer: 18. (Number of recordable injuries per year x 200,000) / (total
hours worked)
●● Which type of incident usually accounts for the highest fatality rate
in the construction industry?
Answer: 19. Falls
●● According to OSHA regulation 29 CFR 1926.651, a Stairway, ladder,
ramp, or other safe means of egress shall be locate in trench excavations
that are---- feet or more in depth.
Answer: 20. Four feet
●● Excavation cave-in protection is ALWAYS required when which of
the following conditions are met?
Answer: 21. The excavation mainly comprises of clay or silt, and is
greater than five feet in depth
●● What level of electrical current is enough to potentially result in
death?
WITH DETAILED ANSWERS FULL
SOLUTION VIEW
●● A Noise-Hazard Control Program (and associated Hearing
Conservation Program) is required under OSHA regulation 29 CFR
1910.95 (Occupational Noise Exposure) where workers may be exposed
to noise levels in excess of an eight -hour-time-weighted average of..
Answer: 2. 85 decibels (dB)
●● As per 29 CFR 1910.1001, the allowable eight-hour exposure limit
concentration to asbestos fibers is not to exceed which of the following?
Answer: 3. 0.1 fibers per cm^3 of air
●● Per OSHA regulations 29 CFR 1910.25-1910.27, the maximum
length a single ladder or a single section of ladder may be is..
Answer: 4. No greater than 30 feet
●● Which of the following is NOT stipulated as a hazardous waste
material attribute to which the U.S. Environmental Protection Agency
extends a designated waste code (e.g., #D001), as per 40 CFR 261,
Subpart C?
Answer: 5. Mutagenicity
,●● In a construction environment, which of the following types of PPE
is most suitable for protecting the eyes against airborne dust?
Answer: 6. Safety goggles
●● At what minimum frequency must electrical-insulating gloves be
tested to ensure they adequately protect workers against electrical
shock?
Answer: 7. Every six months
●● The most useful tool that CHST's can potentially use for evaluating
system safety levels at smaller-scale worksites is a(n):
Answer: 8. Job Safety Analysis (JSA)
●● If 25 or more employees are to be working unserground at the same
time, which of the following safety procedures MUST be in effect?
Answer: 9. Two separate rescue teams must be available. One within 30
minutes travel and the second within two hours travel
●● If a five-foot deep trench is dug in clay material, what angle must the
trench wall not exceed?
Answer: 10. 53 degrees
●● "Lifting Index" (LI) is calculated per which of the following?
Answer: 11. Load weight / recommended weight limit
,●● "Flash Point" is most accurately defined as which of the following?
Answer: 12. The lowest temperature at which a flammable liquid can
form an ignitable mixture in air
●● Which of the following does a mobile crane operator NOT need to be
aware of in order to ensure a safe lift?
Answer: 13. The width of the jib
●● To what part of the body does a body harness typically NOT
distribute any significant fall-arrest force?
Answer: 14. Lower back
●● " Recommended weight limit" (RWL) is most accurately defined as
which of the following?
Answer: 15. The weight that healthy workers could lift for up to eight
hours without causing injuries
●● The Heinrich "incident to injury ratio" model states that for every
330 accidents,---- result in no injuries, ---- cause minor injuries, and ----
cause major injuries.
Answer: 16. 300,29,1
●● Which of the following is regarded as the "three E's of safety"?
, Answer: 17. Engineering, Education, Enforcement
●● Total case incident rate ( TCIR) is calculated via which of the
following?
Answer: 18. (Number of recordable injuries per year x 200,000) / (total
hours worked)
●● Which type of incident usually accounts for the highest fatality rate
in the construction industry?
Answer: 19. Falls
●● According to OSHA regulation 29 CFR 1926.651, a Stairway, ladder,
ramp, or other safe means of egress shall be locate in trench excavations
that are---- feet or more in depth.
Answer: 20. Four feet
●● Excavation cave-in protection is ALWAYS required when which of
the following conditions are met?
Answer: 21. The excavation mainly comprises of clay or silt, and is
greater than five feet in depth
●● What level of electrical current is enough to potentially result in
death?
