STSC Practice Actual Exam 2025 STSC
Practice Exam Latest 2025 Questions and
Correct Answers Rated A+
When working on a scaffold 50 feet high who must approve the scaffold for
use? - ANSWER-The Competent person
Both large and small businesses are required to report certain serious
work-related incidents to the nearest OSHA Area Office. What mishaps
require reporting within 8 hours? - ANSWER-The fatality of one or more
employees, as a result of a work-related incident
A guardrail systems' major components include? - ANSWER-All of the
above (Top rail, mid rail, toe boards, screens)
Safety professionals perform accident investigations primarily to: -
ANSWER-Determine causal conditions
Accident analysis is primarily used as a(n)? - ANSWER-Indicator for
problem areas
For injury accident analysis, information sources include all of the following
expect? - ANSWER-Insurance rate table
The major cause of serious construction injuries are? - ANSWER-Falls
,Various methods of securing line accountability for safety are widely
accepted within the safety community. Which techniques will have long
lasting influence on the line manager or supervisor? - ANSWER-All of the
above
What are the two areas of accident costs? - ANSWER-Direct and Indirect
Who typically conducts most minor incident investigations? - ANSWER-
Supervisor
Who should investigate a serious or fatal accident in an active mishap
prevention program? - ANSWER-A senior manager official
Often several accident investigators will be at the scene of an accident at
the same time due to varying reasons for gathering information. Which of
the following is the least important task with respect to the STSs accident
investigation responsibilities? - ANSWER-Getting to the scene before
anybody else. Arriving first on the scene
While interviewing witnesses to an accident or participants in the event,
investigators often find themselves talking to a hostile and very defensive
people. Which of the following methods would most likely result in an
honest and truthful statement from these interviewees? - ANSWER-Tell
then the information will only be used for accident prevention purposes and
no disciplinary actions will result from the investigation
,Throughout accident investigations, the interviewing of witnesses is often
required to determine facts relative to the event. Which of the following
choices offers the best place to conduct interviews for safety
investigations? - ANSWER-Privately in a conference room
The best descriptor of the legal premise of "chain of custody" is? -
ANSWER-Documentation of possession
Exactly when should an accident investigation begin? - ANSWER-As soon
as possible, realizing that protection of the injured and prevention of a
second accident will take precedence
The primary reasons for accidents are? - ANSWER-Combinations of
factors
While reviewing the plans for a sewer line project to be performed by a sub-
contractor, the investigator is puzzled by the definition of a "trench
excavation" used throughout the document. Which of the following is the
best definition of an OSHA trench excavation? - ANSWER-A narrow
excavation where the depth is greater than the width, but not greater than
15 feet
While reviewing preliminary plans for construction of a radio transmitting
site located at 9,000 feet elevation, workers travel from sea level to the site
each day and return after 12-hour shifts. Which of the following would you
be most concerning? - ANSWER-Hypoxia
, Contractors can sometimes use the term "competent person" in a general
sense. Which of the following descriptions best fits the intent of the OSHA
standards when referring to a "Competent Person"? - ANSWER-The
person who is capable of identifying existing and predictable hazards in the
surroundings or working conditions which are unsanitary, hazardous, or
dangerous to employees, and who has authorization to take prompt
corrective measures to eliminate them
Which of the following is an invalid use for a job hazard analysis (JHA)? -
ANSWER-As a replacement for job instructions or workplace procedures
A contractor has proposed several options for developing and complying
with safety and health procedures while reviewing a bid for a large
construction job. Which of the following will produce the most effective
safety and health interface? - ANSWER-The sub-contractor should develop
their own procedures with assistance from general contractor
All of the following are valid and acceptable methods of obtaining the
required first aid training except: - ANSWER-Instruction in emergency
medicine from a county hospital
Who is required to provide placards for shipping hazardous material? -
ANSWER-The shipper
When a new hazardous chemical has been introduced to the workplace by
a subcontractor, who is expected to inform the general contractor and
subcontractor workers? - ANSWER-Subcontractor
Practice Exam Latest 2025 Questions and
Correct Answers Rated A+
When working on a scaffold 50 feet high who must approve the scaffold for
use? - ANSWER-The Competent person
Both large and small businesses are required to report certain serious
work-related incidents to the nearest OSHA Area Office. What mishaps
require reporting within 8 hours? - ANSWER-The fatality of one or more
employees, as a result of a work-related incident
A guardrail systems' major components include? - ANSWER-All of the
above (Top rail, mid rail, toe boards, screens)
Safety professionals perform accident investigations primarily to: -
ANSWER-Determine causal conditions
Accident analysis is primarily used as a(n)? - ANSWER-Indicator for
problem areas
For injury accident analysis, information sources include all of the following
expect? - ANSWER-Insurance rate table
The major cause of serious construction injuries are? - ANSWER-Falls
,Various methods of securing line accountability for safety are widely
accepted within the safety community. Which techniques will have long
lasting influence on the line manager or supervisor? - ANSWER-All of the
above
What are the two areas of accident costs? - ANSWER-Direct and Indirect
Who typically conducts most minor incident investigations? - ANSWER-
Supervisor
Who should investigate a serious or fatal accident in an active mishap
prevention program? - ANSWER-A senior manager official
Often several accident investigators will be at the scene of an accident at
the same time due to varying reasons for gathering information. Which of
the following is the least important task with respect to the STSs accident
investigation responsibilities? - ANSWER-Getting to the scene before
anybody else. Arriving first on the scene
While interviewing witnesses to an accident or participants in the event,
investigators often find themselves talking to a hostile and very defensive
people. Which of the following methods would most likely result in an
honest and truthful statement from these interviewees? - ANSWER-Tell
then the information will only be used for accident prevention purposes and
no disciplinary actions will result from the investigation
,Throughout accident investigations, the interviewing of witnesses is often
required to determine facts relative to the event. Which of the following
choices offers the best place to conduct interviews for safety
investigations? - ANSWER-Privately in a conference room
The best descriptor of the legal premise of "chain of custody" is? -
ANSWER-Documentation of possession
Exactly when should an accident investigation begin? - ANSWER-As soon
as possible, realizing that protection of the injured and prevention of a
second accident will take precedence
The primary reasons for accidents are? - ANSWER-Combinations of
factors
While reviewing the plans for a sewer line project to be performed by a sub-
contractor, the investigator is puzzled by the definition of a "trench
excavation" used throughout the document. Which of the following is the
best definition of an OSHA trench excavation? - ANSWER-A narrow
excavation where the depth is greater than the width, but not greater than
15 feet
While reviewing preliminary plans for construction of a radio transmitting
site located at 9,000 feet elevation, workers travel from sea level to the site
each day and return after 12-hour shifts. Which of the following would you
be most concerning? - ANSWER-Hypoxia
, Contractors can sometimes use the term "competent person" in a general
sense. Which of the following descriptions best fits the intent of the OSHA
standards when referring to a "Competent Person"? - ANSWER-The
person who is capable of identifying existing and predictable hazards in the
surroundings or working conditions which are unsanitary, hazardous, or
dangerous to employees, and who has authorization to take prompt
corrective measures to eliminate them
Which of the following is an invalid use for a job hazard analysis (JHA)? -
ANSWER-As a replacement for job instructions or workplace procedures
A contractor has proposed several options for developing and complying
with safety and health procedures while reviewing a bid for a large
construction job. Which of the following will produce the most effective
safety and health interface? - ANSWER-The sub-contractor should develop
their own procedures with assistance from general contractor
All of the following are valid and acceptable methods of obtaining the
required first aid training except: - ANSWER-Instruction in emergency
medicine from a county hospital
Who is required to provide placards for shipping hazardous material? -
ANSWER-The shipper
When a new hazardous chemical has been introduced to the workplace by
a subcontractor, who is expected to inform the general contractor and
subcontractor workers? - ANSWER-Subcontractor
