CHST TEST QUESTIONS WITH
CORRECT ANSWERS
" 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? - Answer-22. 75
milliamperes. ----10 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? - Answer-23. Bulldozers
Which of the following is NOT a recommended course of action for preventing falling -
object injuries to workers below a scaffold? - Answer-24. A safety buffer zone of 12 feet
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. - Answer-25. 39 Inches
,Which of the following is NOT a type of welding? - Answer-26. Modules welding ----the
three common types are 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? -
Answer-27. The "Ring Test". ----When a wheel of 10cm in diameter or less is tapped
with a non metallic object it will emit a clear ringing sound if undamaged.
Which of the following soil classifications is correct? - Answer-28. Type "B"- Cohesive
soil with a moderate compressive strength.
Soil classifications are A,B,C, and are all cohesive and start with a high compressive
strength, and end with a low compressive strength
Electrical "Bonding" is best defined as: - Answer-29. Connecting two or more conductive
objects with a conductor to protect against electrocution
According to OSHA regulation 29 CFR 1910.242, the compressed-air pressure limit for
cleaning operations shall not exceed---- pounds per square inch. - Answer-30. 30
pounds per square inch or psi
Which of the following materials or objects is NOT typically used for electrical
grounding? - Answer-31. Ventilation ducts---- Building steel, cold water pipes, or ground
rods are typically used in the grounding process
Anchor points for personal fall arrests should be capable of holding---- pounds per
person. - Answer-32. 5,000 pounds per person
Cranes & Derricks must be clear of power lines by at least ---- feet for voltages up to ----
kV - Answer-33. 10 feet for up to 50 kV or killovolts. ---- add 0.4 inches for every kV over
50.
Whose ultimate responsibility is it to ensure that only well-maintained and operable
hand and power tools are utilized on the job site? - Answer-34. The Employer
Which of the following is NOT an OSHA-mandated standard for good housekeeping? -
Answer-35. clear scrap lumber and associated debris from passageways and stairwells
daily----though the material needs to be cleared there are no clear time intervals
prescribed by OSHA
Under current laws for workers' compensation, which of the following is NOT
categorized as a potential injury category? - Answer-36. Bilateral---- The four categories
are partial, total, temporary, and permanent
When the body's temperature regulation system fails and sweating becomes
inadequate, which of the following heat-related conditions is likely at hand? - Answer-
37. Heat Stroke
, Which of the following is generally NOT regarded by OSHA as a "control method" for
preventing work related injuries. - Answer-38. Adherence to the Fair Labor Standards
Act (FLSA)---- Control methods would be PPE, engineering controls, administrative
controls.
The ISO 14001 environmental management system is built upon which of the following
models? - Answer-39. Plan, do, check, act
Which of the following is NOT a typical characteristic of a "confined space"? - Answer-
40. It is large enough for employee to temporarily enter and perform an assigned task
without duress. ----Normal characteristics include: It has limited or restricted entry
options, it has a continuous air supply, it is designed for a brief period of human
occupancy.
Which of the following scenarios is indicative of a hazardous atmospheric environment ?
- Answer-41. A flammable gas exists at a concentration of 25 percent of its lower
flammability limit (LFL)
Properly measuring for excessive heat or cold in the workplace (including workers
themselves) could possibly entail any or all of the following EXCEPT: - Answer-42.
Requesting that workers initially perform scouting surveys of an area prior to performing
measurements----A worker should never be asked to enter a potentially adverse area
prior to verification that it is safe to do so.
Combustible liquids that are not stored within the confines of a "designated" outside
storage area must: - Answer-43. Be completely surrounded by curb structure or
enclosure that is equal to or greater than 6 inches in total height
Per OSHA's 29 CFR 1904.6 ( Record-keeping Standard), for how long must a document
such as the OSHA 300 log be retained? - Answer-44. Five years following the end of
the calendar year that the record covers.----OSHA 300 log is a record of all reportable
injuries in the workplace
The OSHAS 18000 series of occupational health and safety management system
standards have the overarching goal of: - Answer-45. Proactively identifying and
responding to risk before an accident occurs
A cut-off wheel that has a diameter in the range of 6-12 inches can cut a material with a
maximum thickness of: - Answer-46. 1/4 inch---- When you take into account the
machine is fully guarded the thickness is decreased
Per OSHA 29 CFR 1910.1025, the action level for lead(Pb) exposure is 30 micrograms
per cubic meter of air, averaged over an eight hour period. What is the permissible
exposure limit? - Answer-47. 50 micrograms per cubic meter of air, averaged over eight
hours
CORRECT ANSWERS
" 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? - Answer-22. 75
milliamperes. ----10 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? - Answer-23. Bulldozers
Which of the following is NOT a recommended course of action for preventing falling -
object injuries to workers below a scaffold? - Answer-24. A safety buffer zone of 12 feet
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. - Answer-25. 39 Inches
,Which of the following is NOT a type of welding? - Answer-26. Modules welding ----the
three common types are 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? -
Answer-27. The "Ring Test". ----When a wheel of 10cm in diameter or less is tapped
with a non metallic object it will emit a clear ringing sound if undamaged.
Which of the following soil classifications is correct? - Answer-28. Type "B"- Cohesive
soil with a moderate compressive strength.
Soil classifications are A,B,C, and are all cohesive and start with a high compressive
strength, and end with a low compressive strength
Electrical "Bonding" is best defined as: - Answer-29. Connecting two or more conductive
objects with a conductor to protect against electrocution
According to OSHA regulation 29 CFR 1910.242, the compressed-air pressure limit for
cleaning operations shall not exceed---- pounds per square inch. - Answer-30. 30
pounds per square inch or psi
Which of the following materials or objects is NOT typically used for electrical
grounding? - Answer-31. Ventilation ducts---- Building steel, cold water pipes, or ground
rods are typically used in the grounding process
Anchor points for personal fall arrests should be capable of holding---- pounds per
person. - Answer-32. 5,000 pounds per person
Cranes & Derricks must be clear of power lines by at least ---- feet for voltages up to ----
kV - Answer-33. 10 feet for up to 50 kV or killovolts. ---- add 0.4 inches for every kV over
50.
Whose ultimate responsibility is it to ensure that only well-maintained and operable
hand and power tools are utilized on the job site? - Answer-34. The Employer
Which of the following is NOT an OSHA-mandated standard for good housekeeping? -
Answer-35. clear scrap lumber and associated debris from passageways and stairwells
daily----though the material needs to be cleared there are no clear time intervals
prescribed by OSHA
Under current laws for workers' compensation, which of the following is NOT
categorized as a potential injury category? - Answer-36. Bilateral---- The four categories
are partial, total, temporary, and permanent
When the body's temperature regulation system fails and sweating becomes
inadequate, which of the following heat-related conditions is likely at hand? - Answer-
37. Heat Stroke
, Which of the following is generally NOT regarded by OSHA as a "control method" for
preventing work related injuries. - Answer-38. Adherence to the Fair Labor Standards
Act (FLSA)---- Control methods would be PPE, engineering controls, administrative
controls.
The ISO 14001 environmental management system is built upon which of the following
models? - Answer-39. Plan, do, check, act
Which of the following is NOT a typical characteristic of a "confined space"? - Answer-
40. It is large enough for employee to temporarily enter and perform an assigned task
without duress. ----Normal characteristics include: It has limited or restricted entry
options, it has a continuous air supply, it is designed for a brief period of human
occupancy.
Which of the following scenarios is indicative of a hazardous atmospheric environment ?
- Answer-41. A flammable gas exists at a concentration of 25 percent of its lower
flammability limit (LFL)
Properly measuring for excessive heat or cold in the workplace (including workers
themselves) could possibly entail any or all of the following EXCEPT: - Answer-42.
Requesting that workers initially perform scouting surveys of an area prior to performing
measurements----A worker should never be asked to enter a potentially adverse area
prior to verification that it is safe to do so.
Combustible liquids that are not stored within the confines of a "designated" outside
storage area must: - Answer-43. Be completely surrounded by curb structure or
enclosure that is equal to or greater than 6 inches in total height
Per OSHA's 29 CFR 1904.6 ( Record-keeping Standard), for how long must a document
such as the OSHA 300 log be retained? - Answer-44. Five years following the end of
the calendar year that the record covers.----OSHA 300 log is a record of all reportable
injuries in the workplace
The OSHAS 18000 series of occupational health and safety management system
standards have the overarching goal of: - Answer-45. Proactively identifying and
responding to risk before an accident occurs
A cut-off wheel that has a diameter in the range of 6-12 inches can cut a material with a
maximum thickness of: - Answer-46. 1/4 inch---- When you take into account the
machine is fully guarded the thickness is decreased
Per OSHA 29 CFR 1910.1025, the action level for lead(Pb) exposure is 30 micrograms
per cubic meter of air, averaged over an eight hour period. What is the permissible
exposure limit? - Answer-47. 50 micrograms per cubic meter of air, averaged over eight
hours
