1 | Page
STSC Practice Exam Questions and Correct
Answers
For construction, electrical power tools and cords must: Ans:
Make use of ground fault circuit interrupters or be part of an
assured equipment grounding conductor program
If a supervisor is given authority by the General Manager to stop
operations on a construction site whenever he or she observes an
imminent danger situation. Which of the following correctly
identifies that authority? Ans: Functional authority
As a certified Safety Trained Supervisor, you are expected to Ans:
Seek methods to improve personal knowledge and understanding
of methods, techniques and practices for workers, protection
Arrange the following hazard control steps in the most
appropriate sequence: Ans: 2 (engineer), 1 (guard), 3 (educate)
Which action is preferred when dealing with minor infractions of
work safety rules? Ans: Oral reprimand
System safety analysis can be applied to which of the following?
Ans: Any system that has interacting components
What should a supervisor do when a crew must walk across an
area with open floor holes to get to their work area? Ans: Have
© 2025 All rights reserved
, 2 | Page
the floor holes covered and inform crew of load surface
restrictions
The strongest motivator, according to the Contemporary
Motivation Theory is: Ans: Recognition of achievement
Management has increased work hours and is pushing for more
productivity. As STS, you are concerned about some of the safety
risks associated with this production schedule. You should: Ans:
Inform/ communicate increased hazards due to increased
production and verify that risk is acceptable
The best evaluation of tasks descriptor involving steps, hazards
and solutions is? Ans: Job Safety Analysis (JSA)
What minimum PPE is required for a worker using a jackhammer
with a spade to remove asphalt? Ans: Hearing, eye, head and foot
protection
Minimally, _____ designated person(s) shall be on duty above
ground whenever any employee is working underground and shall
be responsible for securing immediate aid, keeping an accurate
count of employees underground in case of emergency. Ans: One
A medical questionnaire required when safety workers place an
employee in respiratory protection must be evaluated by whom?
Ans: A licensed health care professional
© 2025 All rights reserved
, 3 | Page
In construction each employee on a walking/ working surface
(horizontal and vertical surface) with an unprotected side or edge
which is _____ feet or move above a lower level shall be protected
from falling by the use of guardrail systems, safety net systems, or
personal fall arrest systems. Ans: 6
A crew member deliberately violates a safety procedure. What
should be done? Ans: Stop work, write formal complaint and
explain
OSHA requires that each employee on a scaffold more than _____
feet above a lower level shall be provided with fall protection with
fall protection to prevent from falling to that lower level. Ans: 10
Professional ethics refers to: Ans: A set of principles and
standards that guide the actions of professionals that are often
referenced in civil or criminal cases involving professional conduct
When working on a scaffold 50 feet high who must approve the
scaffold for use? Ans: 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? Ans: The fatality
of one or more employees, as a result of a work-related incident
© 2025 All rights reserved
, 4 | Page
A guardrail systems' major components include? Ans: All of the
above (Top rail, mid rail, toe boards, screens)
Safety professionals perform accident investigations primarily to:
Ans: Determine causal conditions
Accident analysis is primarily used as a(n)? Ans: Indicator for
problem areas
For injury accident analysis, information sources include all of the
following expect? Ans: Insurance rate table
The major cause of serious construction injuries are? Ans: 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?
Ans: All of the above
What are the two areas of accident costs? Ans: Direct and Indirect
Who typically conducts most minor incident investigations? Ans:
Supervisor
Who should investigate a serious or fatal accident in an active
mishap prevention program? Ans: A senior manager official
© 2025 All rights reserved
STSC Practice Exam Questions and Correct
Answers
For construction, electrical power tools and cords must: Ans:
Make use of ground fault circuit interrupters or be part of an
assured equipment grounding conductor program
If a supervisor is given authority by the General Manager to stop
operations on a construction site whenever he or she observes an
imminent danger situation. Which of the following correctly
identifies that authority? Ans: Functional authority
As a certified Safety Trained Supervisor, you are expected to Ans:
Seek methods to improve personal knowledge and understanding
of methods, techniques and practices for workers, protection
Arrange the following hazard control steps in the most
appropriate sequence: Ans: 2 (engineer), 1 (guard), 3 (educate)
Which action is preferred when dealing with minor infractions of
work safety rules? Ans: Oral reprimand
System safety analysis can be applied to which of the following?
Ans: Any system that has interacting components
What should a supervisor do when a crew must walk across an
area with open floor holes to get to their work area? Ans: Have
© 2025 All rights reserved
, 2 | Page
the floor holes covered and inform crew of load surface
restrictions
The strongest motivator, according to the Contemporary
Motivation Theory is: Ans: Recognition of achievement
Management has increased work hours and is pushing for more
productivity. As STS, you are concerned about some of the safety
risks associated with this production schedule. You should: Ans:
Inform/ communicate increased hazards due to increased
production and verify that risk is acceptable
The best evaluation of tasks descriptor involving steps, hazards
and solutions is? Ans: Job Safety Analysis (JSA)
What minimum PPE is required for a worker using a jackhammer
with a spade to remove asphalt? Ans: Hearing, eye, head and foot
protection
Minimally, _____ designated person(s) shall be on duty above
ground whenever any employee is working underground and shall
be responsible for securing immediate aid, keeping an accurate
count of employees underground in case of emergency. Ans: One
A medical questionnaire required when safety workers place an
employee in respiratory protection must be evaluated by whom?
Ans: A licensed health care professional
© 2025 All rights reserved
, 3 | Page
In construction each employee on a walking/ working surface
(horizontal and vertical surface) with an unprotected side or edge
which is _____ feet or move above a lower level shall be protected
from falling by the use of guardrail systems, safety net systems, or
personal fall arrest systems. Ans: 6
A crew member deliberately violates a safety procedure. What
should be done? Ans: Stop work, write formal complaint and
explain
OSHA requires that each employee on a scaffold more than _____
feet above a lower level shall be provided with fall protection with
fall protection to prevent from falling to that lower level. Ans: 10
Professional ethics refers to: Ans: A set of principles and
standards that guide the actions of professionals that are often
referenced in civil or criminal cases involving professional conduct
When working on a scaffold 50 feet high who must approve the
scaffold for use? Ans: 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? Ans: The fatality
of one or more employees, as a result of a work-related incident
© 2025 All rights reserved
, 4 | Page
A guardrail systems' major components include? Ans: All of the
above (Top rail, mid rail, toe boards, screens)
Safety professionals perform accident investigations primarily to:
Ans: Determine causal conditions
Accident analysis is primarily used as a(n)? Ans: Indicator for
problem areas
For injury accident analysis, information sources include all of the
following expect? Ans: Insurance rate table
The major cause of serious construction injuries are? Ans: 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?
Ans: All of the above
What are the two areas of accident costs? Ans: Direct and Indirect
Who typically conducts most minor incident investigations? Ans:
Supervisor
Who should investigate a serious or fatal accident in an active
mishap prevention program? Ans: A senior manager official
© 2025 All rights reserved
