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CHST Test Practice Test Questions With Complete Solutions.
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CHST Test Practice Test Questions With Complete Solutions.
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CHST Test Practice Test Questions WithComplete Solutions
Which of the following is NOT considered a significant factor in
determining the outcome of an electrocution event? Correct
hh
Answers 1. The amount of electrically resistant material present
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in work boots and work gloves.
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.. Correct Answers 2. 85 decibels (dB)
hh hh
As per 29 CFR 1910.1001, the allowable eight-hour exposure
limit concentration to asbestos fibers is not to exceed which of
the following? Correct Answers 3. 0.1 fibers per cm^3 of air
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Per OSHA regulations 29 CFR 1910.25-1910.27, the maximum
length a single ladder or a single section of ladder may be is..
Correct Answers 4. No greater than 30 feet
hh hh
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? Correct Answers 5. Mutagenicity
hh hh
In a construction environment, which of the following types of
PPE is most suitable for protecting the eyes against airborne
dust? Correct Answers 6. Safety goggles
hh hh
,At what minimum frequency must electrical-insulating gloves
be tested to ensure they adequately protect workers against
electrical shock? Correct Answers 7. Every six months
hh hh
The most useful tool that CHST's can potentially use for
evaluating system safety levels at smaller-scale worksites is
a(n): Correct Answers 8. Job Safety Analysis (JSA)
hh hh
If 25 or more employees are to be working unserground at the
same time, which of the following safety procedures MUST be
in effect? Correct Answers 9. Two separate rescue teams must
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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? Correct Answers 10. 53
hh hh
degrees
"Lifting Index" (LI) is calculated per which of the following?
Correct Answers 11. Load weight / recommended weight limit
hh hh
"Flash Point" is most accurately defined as which of the
following? Correct Answers 12. The lowest temperature at
hh hh
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? Correct Answers
hh
13. The width of the jib
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,To what part of the body does a body harness typically NOT
distribute any significant fall-arrest force? Correct Answers 14.
hh hh
Lower back
" Recommended weight limit" (RWL) is most accurately
defined as which of the following? Correct Answers 15. The
hh hh
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. Correct Answers 16.
hh hh
300,29,1
Which of the following is regarded as the "three E's of safety"?
Correct Answers 17. Engineering, Education, Enforcement
hh hh
Total case incident rate ( TCIR) is calculated via which of the
following? Correct Answers 18. (Number of recordable injuries
hh hh
per year x 200,000) / (total hours worked)
Which type of incident usually accounts for the highest fatality
rate in the construction industry? Correct Answers 19. Falls
hh hh
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. Correct hh
Answers 20. Four feet
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Excavation cave-in protection is ALWAYS required when
which of the following conditions are met? Correct Answers
hh
, 21. The excavation mainly comprises of clay or silt, and is
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greater than five feet in depth
What level of electrical current is enough to potentially result in
death? Correct Answers 22. 75 milliamperes. ----10
hh hh
milliamperes will cause painful to severe shock but death
usually does not occur below 75 milliamperes.
Which of the following types of construction equipment can
NOT make inadvertent contact with overhead power lines?
Correct Answers 23. Bulldozers
hh hh
Which of the following is NOT a recommended course of action
for preventing falling -object injuries to workers below a
scaffold? Correct Answers 24. A safety buffer zone of 12 feet
hh hh
around the perimeter of a scaffold, for every 10 feet of elevation,
should be employed while the scaffold is in use.
Per OSHA regulation 29 CFR 1926.502, when a 200 pound load
is applied in a downward direction to the top of the edge of a
guardrail , it shall not deflect to a height any less than ---- above
the walking or working level. Correct Answers 25. 39 Inches
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Which of the following is NOT a type of welding? Correct hh
Answers 26. Modules welding ----the three common types are
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oxygen-fuel gas welding , Arc Welding, Resistance welding.
Which of the following is a common test used to check for
cracks in a grinding wheel? Correct Answers 27. The "Ring
hh hh
Test". ----When a wheel of 10cm in diameter or less is tapped
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