1|Page
CHST (Construction Health and Safety Technician)
Exam 2025 — Study Guide, Practice Test Questions,
and Certification Preparation
Prepare for the CHST (Construction Health and Safety Technician) Exam 2025 with the
most up-to-date study guide, practice test questions, and exam prep materials. Learn core
topics including hazard control, construction safety management, risk assessment, and
OSHA standards to earn your BCSP CHST certification and advance your safety career.
• CHST exam 2025
• Construction Health and Safety Technician certification
• CHST study guide 2025
• OSHA requires protective equipment for protection from high-voltage electrical contact in some
instances. These "rubber goods" consist of gloves, matting, blankets, hoods, line hose and
sleeves. Several standards are available and cover initial periodic testing and continued care and
use of such equipment. Which of the following statements is not correct concerning electrical
high-voltage gloves. - ANSWER-A metal reinforcement out her glove should be worn over the
robber in your glove in the outer glove should be 1 inch longer than the inner glove
•
•
• During a forklift operation you observe the back of a forklift tip as a heavy load is being lifted
which of the following is the proper course of action? - ANSWER-Do not proceed with this lift
•
• Entry into a confined space is required at one of your construction site. The oxygen
concentration in a confined space has been measured at 16% which of the following most
,2|Page
correctly indicates the danger to personnel entering this atmosphere? - ANSWER-This level of
oxygen because impairment of judgment and difficult breathing
•
• A CHST is involved in a monitoring operation within an equipment repair area and is using a
carbon monoxide direct reading instrument. The instrument has been reading 35 ppm for four
hours, suddenly without any change in the conditions in the general area the indicator increases
rapidly to 65 ppm and has remained constant for five minutes which of the following is the most
appropriate action? - ANSWER-Stop and re-calibrate instrument - this is due to the lack of
environmental changes
According to OSHA at 1910. 147 and energy control program is required to ensure for any worker
performs servicing maintenance on a machine or equipment, where the unexpected start up or release
of stored energy could occur and cause injury, the machine or equipment shall be isolated from the
energy source. This generally requires a physical lock and tag arrangement to meet the intent of the
OSHA. When is it permissible to only use a tag out system of protection? - ANSWER-When other
protective measures are in place
When placing a standard straight ladder the horizontal distance from the base to the vertical plane of
the support should be approximately_____________ The ladder length between supports - ANSWER-1/4
of the working length
What type of respirator should be used for entry into a confined space? - ANSWER-Airline with supplied
escape bottle
Which of the following respirator is an air purifying type? - ANSWER-Gas mask
Which personal protective equipment would provide the greatest degree of protection and be the most
appropriate for a worker transporting or handling H2S04 (sulfuric acid)? - ANSWER-A combination of
non-vented goggles and a face shield
The following statement best describes the intent of a NSI/ASCZ 49.1, an excellent voluntary consensus
standard. The standard sets forth requirements for all aspects of safety and health in the welding
environment. It contains info on protection of personnel the general area, generation fire prevention and
protection, and confined space. - ANSWER-The firewatch should maintain vigilance for 1/2 hour after
welding operations cease
, 3|Page
A 1000 pound load is lifted with a two leg brittle sling whose legs are at A 13° angle with the load distress
on each leg of the sling is most nearly - ANSWER-2,233lbs
Double divided slings are SIN full
1000/2/SIN13=2,223
A liquid with a flash point of 100°F and boiling point of 110°F would be classified by the OSHA and the
NFPA as a? - ANSWER-Class II combustible liquid
Flammable
Class I flash point below 100
Class IA boiling below 100 flash point below 73
Class IB boiling point At or above 100°F flashpoint below 73°F
Class IC flashpoint at or above 73°F and below 100°F
Combustible: All flashpoint
Class II at or above 100 breeze Fahrenheit and below 140°F
Class III at or above 140°F
Class IIIA. At or above 140°F and below 200°F
Class IIIB At or above 200°F
Sound pressure levels are measured in which Unit? - ANSWER-Microbars
The following does not require an equipment grounding conductor - ANSWER-A double insulated hand
tool
The following possesses the most common exposure to ultraviolet radiation. - ANSWER-Direct sunlight
CHST (Construction Health and Safety Technician)
Exam 2025 — Study Guide, Practice Test Questions,
and Certification Preparation
Prepare for the CHST (Construction Health and Safety Technician) Exam 2025 with the
most up-to-date study guide, practice test questions, and exam prep materials. Learn core
topics including hazard control, construction safety management, risk assessment, and
OSHA standards to earn your BCSP CHST certification and advance your safety career.
• CHST exam 2025
• Construction Health and Safety Technician certification
• CHST study guide 2025
• OSHA requires protective equipment for protection from high-voltage electrical contact in some
instances. These "rubber goods" consist of gloves, matting, blankets, hoods, line hose and
sleeves. Several standards are available and cover initial periodic testing and continued care and
use of such equipment. Which of the following statements is not correct concerning electrical
high-voltage gloves. - ANSWER-A metal reinforcement out her glove should be worn over the
robber in your glove in the outer glove should be 1 inch longer than the inner glove
•
•
• During a forklift operation you observe the back of a forklift tip as a heavy load is being lifted
which of the following is the proper course of action? - ANSWER-Do not proceed with this lift
•
• Entry into a confined space is required at one of your construction site. The oxygen
concentration in a confined space has been measured at 16% which of the following most
,2|Page
correctly indicates the danger to personnel entering this atmosphere? - ANSWER-This level of
oxygen because impairment of judgment and difficult breathing
•
• A CHST is involved in a monitoring operation within an equipment repair area and is using a
carbon monoxide direct reading instrument. The instrument has been reading 35 ppm for four
hours, suddenly without any change in the conditions in the general area the indicator increases
rapidly to 65 ppm and has remained constant for five minutes which of the following is the most
appropriate action? - ANSWER-Stop and re-calibrate instrument - this is due to the lack of
environmental changes
According to OSHA at 1910. 147 and energy control program is required to ensure for any worker
performs servicing maintenance on a machine or equipment, where the unexpected start up or release
of stored energy could occur and cause injury, the machine or equipment shall be isolated from the
energy source. This generally requires a physical lock and tag arrangement to meet the intent of the
OSHA. When is it permissible to only use a tag out system of protection? - ANSWER-When other
protective measures are in place
When placing a standard straight ladder the horizontal distance from the base to the vertical plane of
the support should be approximately_____________ The ladder length between supports - ANSWER-1/4
of the working length
What type of respirator should be used for entry into a confined space? - ANSWER-Airline with supplied
escape bottle
Which of the following respirator is an air purifying type? - ANSWER-Gas mask
Which personal protective equipment would provide the greatest degree of protection and be the most
appropriate for a worker transporting or handling H2S04 (sulfuric acid)? - ANSWER-A combination of
non-vented goggles and a face shield
The following statement best describes the intent of a NSI/ASCZ 49.1, an excellent voluntary consensus
standard. The standard sets forth requirements for all aspects of safety and health in the welding
environment. It contains info on protection of personnel the general area, generation fire prevention and
protection, and confined space. - ANSWER-The firewatch should maintain vigilance for 1/2 hour after
welding operations cease
, 3|Page
A 1000 pound load is lifted with a two leg brittle sling whose legs are at A 13° angle with the load distress
on each leg of the sling is most nearly - ANSWER-2,233lbs
Double divided slings are SIN full
1000/2/SIN13=2,223
A liquid with a flash point of 100°F and boiling point of 110°F would be classified by the OSHA and the
NFPA as a? - ANSWER-Class II combustible liquid
Flammable
Class I flash point below 100
Class IA boiling below 100 flash point below 73
Class IB boiling point At or above 100°F flashpoint below 73°F
Class IC flashpoint at or above 73°F and below 100°F
Combustible: All flashpoint
Class II at or above 100 breeze Fahrenheit and below 140°F
Class III at or above 140°F
Class IIIA. At or above 140°F and below 200°F
Class IIIB At or above 200°F
Sound pressure levels are measured in which Unit? - ANSWER-Microbars
The following does not require an equipment grounding conductor - ANSWER-A double insulated hand
tool
The following possesses the most common exposure to ultraviolet radiation. - ANSWER-Direct sunlight
