STSC Test Questions and Answers 2026: Free Practice Exam & Study Guide,
Exams of Psychology of learning
For construction, electrical power tools and cords must: - ANSWERMake 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? -
ANSWERFunctional authority
As a certified Safety Trained Supervisor, you are expected to - ANSWERSeek
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:
- ANSWER2 (engineer), 1 (guard), 3 (educate)
Which action is preferred when dealing with minor infractions of work safety
rules? - ANSWEROral reprimand
System safety analysis can be applied to which of the following? -
ANSWERAny 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? - ANSWERHave the floor holes
covered and inform crew of load surface restrictions
The strongest motivator, according to the Contemporary Motivation Theory
is: - ANSWERRecognition 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: - ANSWERInform/ 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? - ANSWERJob Safety Analysis (JSA)
What minimum PPE is required for a worker using a jackhammer with a
spade to remove asphalt? - ANSWERHearing, 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. - ANSWEROne
A medical questionnaire required when safety workers place an employee in
respiratory protection must be evaluated by whom? - ANSWERA licensed
health care professional
,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. -
ANSWER6
A crew member deliberately violates a safety procedure. What should be
done? - ANSWERStop 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. - ANSWER10
Professional ethics refers to: - ANSWERA 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? - ANSWERThe 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? - ANSWERThe fatality of one or more employees, as
a result of a work-related incident
A guardrail systems' major components include? - ANSWERAll of the above
(Top rail, mid rail, toe boards, screens)
, Safety professionals perform accident investigations primarily to: -
ANSWERDetermine causal conditions
Accident analysis is primarily used as a(n)? - ANSWERIndicator for problem
areas
For injury accident analysis, information sources include all of the following
expect? - ANSWERInsurance rate table
The major cause of serious construction injuries are? - ANSWERFalls
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? - ANSWERAll of the
above
What are the two areas of accident costs? - ANSWERDirect and Indirect
Who typically conducts most minor incident investigations? -
ANSWERSupervisor
Who should investigate a serious or fatal accident in an active mishap
prevention program? - ANSWERA 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
Exams of Psychology of learning
For construction, electrical power tools and cords must: - ANSWERMake 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? -
ANSWERFunctional authority
As a certified Safety Trained Supervisor, you are expected to - ANSWERSeek
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:
- ANSWER2 (engineer), 1 (guard), 3 (educate)
Which action is preferred when dealing with minor infractions of work safety
rules? - ANSWEROral reprimand
System safety analysis can be applied to which of the following? -
ANSWERAny 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? - ANSWERHave the floor holes
covered and inform crew of load surface restrictions
The strongest motivator, according to the Contemporary Motivation Theory
is: - ANSWERRecognition 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: - ANSWERInform/ 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? - ANSWERJob Safety Analysis (JSA)
What minimum PPE is required for a worker using a jackhammer with a
spade to remove asphalt? - ANSWERHearing, 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. - ANSWEROne
A medical questionnaire required when safety workers place an employee in
respiratory protection must be evaluated by whom? - ANSWERA licensed
health care professional
,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. -
ANSWER6
A crew member deliberately violates a safety procedure. What should be
done? - ANSWERStop 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. - ANSWER10
Professional ethics refers to: - ANSWERA 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? - ANSWERThe 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? - ANSWERThe fatality of one or more employees, as
a result of a work-related incident
A guardrail systems' major components include? - ANSWERAll of the above
(Top rail, mid rail, toe boards, screens)
, Safety professionals perform accident investigations primarily to: -
ANSWERDetermine causal conditions
Accident analysis is primarily used as a(n)? - ANSWERIndicator for problem
areas
For injury accident analysis, information sources include all of the following
expect? - ANSWERInsurance rate table
The major cause of serious construction injuries are? - ANSWERFalls
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? - ANSWERAll of the
above
What are the two areas of accident costs? - ANSWERDirect and Indirect
Who typically conducts most minor incident investigations? -
ANSWERSupervisor
Who should investigate a serious or fatal accident in an active mishap
prevention program? - ANSWERA 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
