STS EXAM PRACTICE QUESTIONS
AND ANSWERS 100% PASS
What is the function of an electrical Ground fault circuit interrupter? - ✔✔It interrupts
the electric power within 1/40 of a second
When in use, electrical power tools and cords must - ✔✔Make use of ground fault
circuit interrupters or be a part of an assured grounding conductor program
If a supervisor is given authority by the general manager to stop operations site
whenever he or she observes an imminent danger situation. What is this authority
called? - ✔✔Functional authority
As a certified sts, you are expected to: - ✔✔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: 1)guard
hazard 2)engineer out hazard, if possible 3)educate personnel - ✔✔2,1,3
Which action is preferred when dealing with minor infractions of work safety rules -
✔✔Oral reprimand
System safety analysis can be applied to what? - ✔✔System safety can be applied to
almost any system that has interacting components. It is an application of systematic
and forward looking techniques to identify and control hazards.
© EMILY CHARLENE YEAR 2025-2026, ALL RIGHTS RESERVED 1
,What should a supervisor do when a crew must walk across an area with open floor
holes to get to their work area? - ✔✔Have the floor holes covered and inform crew of
load surface restrictions
The strongest motivator, according to the contemporary motivation theory is : -
✔✔Recognition of achievement for performance
Management has increased work hours and is pushing for more productivity. You are
concerned about the safety of this. What do you do? - ✔✔Inform and communicate
increased hazards due to increased production and verify that the risk is acceptable.
The best evaluation of tasked descriptor involving steps, hazards and solutions is: -
✔✔JSA
What minimum PPE is required for a worker in a grinding operation... - ✔✔Eye and
face protection
Minimally, ____ authorized attendants shall be on duty outside of the space during a
permit required confined space - ✔✔One
A medical questionnaire required when safety workers place an employee in
respiratory protection much better be evaluated by whom? - ✔✔A licensed health care
professional
In general industry, each employee on a walking/working surface (horizontal/vertical)
with an unprotected side or edge which is ___ feet or more above a lower level shall be
protected from falling by the use of guardrails, safety nets or personal fall arrest
systems - ✔✔4
A team member deliberately violates a safety procedure. What should you do? -
✔✔Stop work, write a formal complaint and explain.
© EMILY CHARLENE YEAR 2025-2026, ALL RIGHTS RESERVED 2
, Each employee on a scaffold more than ___ ft above a lower level shall be provided
with fall protection. - ✔✔10
Professional ethics refers to: - ✔✔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 scaffold 20 feet high who must approve the scaffold for use? -
✔✔competent person
What mishaps require reporting to OSHA within 8 hours? - ✔✔The fatality of one or
more employees, because of a work-related incident
Guardrail System - ✔✔Includes top rails, mid rails and toe boards
Incident investigations are conducted primarily to: - ✔✔Determine causal conditions
Accident analysis is primarily used as a: - ✔✔Indicator of problem areas
For injury accident analysis, information sources include all the following (First-aid
Report, Insurance rate table, First report of Injury form, Supervisor accident
investigation) EXCEPT? - ✔✔Insurance rate table
The MAJOR cause of serious industrial injuries is? - ✔✔slips, trips, and falls
If a worker is injured while performing duties assigned by the employer, the injury is
considered... - ✔✔work-related
The two general areas of accident costs include: - ✔✔direct and indirect
Minor incident and near miss investigations are best conducted by: - ✔✔the supervisor
The investigation of serious or fatal mishaps should be led by: - ✔✔a senior
management official
© EMILY CHARLENE YEAR 2025-2026, ALL RIGHTS RESERVED 3
AND ANSWERS 100% PASS
What is the function of an electrical Ground fault circuit interrupter? - ✔✔It interrupts
the electric power within 1/40 of a second
When in use, electrical power tools and cords must - ✔✔Make use of ground fault
circuit interrupters or be a part of an assured grounding conductor program
If a supervisor is given authority by the general manager to stop operations site
whenever he or she observes an imminent danger situation. What is this authority
called? - ✔✔Functional authority
As a certified sts, you are expected to: - ✔✔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: 1)guard
hazard 2)engineer out hazard, if possible 3)educate personnel - ✔✔2,1,3
Which action is preferred when dealing with minor infractions of work safety rules -
✔✔Oral reprimand
System safety analysis can be applied to what? - ✔✔System safety can be applied to
almost any system that has interacting components. It is an application of systematic
and forward looking techniques to identify and control hazards.
© EMILY CHARLENE YEAR 2025-2026, ALL RIGHTS RESERVED 1
,What should a supervisor do when a crew must walk across an area with open floor
holes to get to their work area? - ✔✔Have the floor holes covered and inform crew of
load surface restrictions
The strongest motivator, according to the contemporary motivation theory is : -
✔✔Recognition of achievement for performance
Management has increased work hours and is pushing for more productivity. You are
concerned about the safety of this. What do you do? - ✔✔Inform and communicate
increased hazards due to increased production and verify that the risk is acceptable.
The best evaluation of tasked descriptor involving steps, hazards and solutions is: -
✔✔JSA
What minimum PPE is required for a worker in a grinding operation... - ✔✔Eye and
face protection
Minimally, ____ authorized attendants shall be on duty outside of the space during a
permit required confined space - ✔✔One
A medical questionnaire required when safety workers place an employee in
respiratory protection much better be evaluated by whom? - ✔✔A licensed health care
professional
In general industry, each employee on a walking/working surface (horizontal/vertical)
with an unprotected side or edge which is ___ feet or more above a lower level shall be
protected from falling by the use of guardrails, safety nets or personal fall arrest
systems - ✔✔4
A team member deliberately violates a safety procedure. What should you do? -
✔✔Stop work, write a formal complaint and explain.
© EMILY CHARLENE YEAR 2025-2026, ALL RIGHTS RESERVED 2
, Each employee on a scaffold more than ___ ft above a lower level shall be provided
with fall protection. - ✔✔10
Professional ethics refers to: - ✔✔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 scaffold 20 feet high who must approve the scaffold for use? -
✔✔competent person
What mishaps require reporting to OSHA within 8 hours? - ✔✔The fatality of one or
more employees, because of a work-related incident
Guardrail System - ✔✔Includes top rails, mid rails and toe boards
Incident investigations are conducted primarily to: - ✔✔Determine causal conditions
Accident analysis is primarily used as a: - ✔✔Indicator of problem areas
For injury accident analysis, information sources include all the following (First-aid
Report, Insurance rate table, First report of Injury form, Supervisor accident
investigation) EXCEPT? - ✔✔Insurance rate table
The MAJOR cause of serious industrial injuries is? - ✔✔slips, trips, and falls
If a worker is injured while performing duties assigned by the employer, the injury is
considered... - ✔✔work-related
The two general areas of accident costs include: - ✔✔direct and indirect
Minor incident and near miss investigations are best conducted by: - ✔✔the supervisor
The investigation of serious or fatal mishaps should be led by: - ✔✔a senior
management official
© EMILY CHARLENE YEAR 2025-2026, ALL RIGHTS RESERVED 3
