STS-C Exam Questions and Answers Solved Correctly Graded A+
What is required element of a written HAZCOM program? - Answers Safety Data Sheets
Which is a correct statement regarding the use of respiratory protective equipment? - Answers
Respirators should only be used as emergency or backup protection.
When an employee is conducting an incident vestigation, which element should be documented? -
Answers contributing factors
A correct statement regarding completion of the daily job/task hazard analysis? - Answers The JHA form
should be developed with contributions from all employees involved in the documented tasks
An example of a solvent use hazard that an employer is required to communicate to their workforce? -
Answers evaporation rate of the solvent
If the hazards in a workplace necessitate the use of the professional protective equipment, which
statement would be applicable? - Answers employee owned PPE must be adequately sanitized as a part
of regular maintenance.
Under which condition would a confined space entry permit be required? - Answers a material is present
that has the potential for engulfing an entrant.
Which is the most applicable statement regarding minor employee illness, injury, or near miss? -
Answers any incident, near miss, or minor event should be reported immediately.
The effectiveness of an employer's skill training program should be ascertained through which process? -
Answers evaluation and observation
Which element should a supervisor assess during a daily toolbox meeting? - Answers the worker should
be free from fatigue and the influence of illicit substance
which resource should an employee consult to identify safe behaviors during a task? - Answers JSA/JHA
Which item is a key element of a safety audit? - Answers Assessing internal controls
Which is the correct way for a supervisor to use the findings of a safety audit? - Answers to identify and
correct the underlying causes of unsafe behavior.
which is an example of deliberately unsafe employee behavior that should result if firm disciplinary
action? - Answers failure to tie off (improper use) of fall protection system while working at an elevation
Which is the FIRST and MOST important type of job site hazard control to consider when elimination and
substitution are not options? - Answers engineering controls
A hot work permit must specify which control? - Answers The assignment of fire watch
, Which is an example of a scenario where energized work is acceptable? - Answers A situation in which
additional hazards would be created if the system was de-energized
Which circumstance can cause changes in the hazards presented by an open excavation? - Answers
Heavy machinery is being operated near the excavation.
Which statement is correct regarding the use of high visibility retro-reflective personal protective
equipment garments? - Answers Garments should be inspected to ensure that micro-reflectors have not
been worn off and garment retains proper retro-reflection.
Which statement is the MOST correct regarding hazard controls for material conveyor systems? -
Answers Steps or bridges should be installed in areas where workers may need to cross over the
conveyor.
Which is the MOST appropriate control for pinch points while handling 55-gallon drums? - Answers
Employee knowledge of proper hand placement
When selecting proper gloves for chemical materials handling, it is important to understand the
chemical breakthrough rating for the type of chemical that the employee may come into contact with.
The chemical ratings are E, G, F, and P. Which does the "P" chemical breakthrough rating stand for? -
Answers Poor, not recommended (breakthrough times less than 1hr)
Which is an example of a passive fall protection system? - Answers guardrails
In the workplace, who is responsible for ensuring that walking and working surfaces are properly
maintained and kept in a clean, orderly, and sanitary condition? - Answers the employer
Which is one of the MOST commonly cited unsafe conditions at a worksite? - Answers poor general
housekeeping
Which statement is correct regarding hand and power tools? - Answers It is the employer's responsibility
to ensure that only well-maintained and operable hand and power tools are utilized on the job site.
Which criteria would necessitate a critical lift plan? - Answers Lifting in weather conditions that may
affect crane or equipment performance
During a crane lifting operation, which person is responsible for control of the lift? - Answers the
designated signal person
Which is an important ergonomic practice when attempting to maintain neutral body postures while
working in a seated posture? - Answers the knees are about the same height as the hips, with the feet
slightly forward
Industrial hygienists MOST commonly measure thermal conditions to control employee thermal stress
using the wet bulb globe temperature (WBGT) index and which other Index? - Answers Effective
Temperature (ET) index
What is required element of a written HAZCOM program? - Answers Safety Data Sheets
Which is a correct statement regarding the use of respiratory protective equipment? - Answers
Respirators should only be used as emergency or backup protection.
When an employee is conducting an incident vestigation, which element should be documented? -
Answers contributing factors
A correct statement regarding completion of the daily job/task hazard analysis? - Answers The JHA form
should be developed with contributions from all employees involved in the documented tasks
An example of a solvent use hazard that an employer is required to communicate to their workforce? -
Answers evaporation rate of the solvent
If the hazards in a workplace necessitate the use of the professional protective equipment, which
statement would be applicable? - Answers employee owned PPE must be adequately sanitized as a part
of regular maintenance.
Under which condition would a confined space entry permit be required? - Answers a material is present
that has the potential for engulfing an entrant.
Which is the most applicable statement regarding minor employee illness, injury, or near miss? -
Answers any incident, near miss, or minor event should be reported immediately.
The effectiveness of an employer's skill training program should be ascertained through which process? -
Answers evaluation and observation
Which element should a supervisor assess during a daily toolbox meeting? - Answers the worker should
be free from fatigue and the influence of illicit substance
which resource should an employee consult to identify safe behaviors during a task? - Answers JSA/JHA
Which item is a key element of a safety audit? - Answers Assessing internal controls
Which is the correct way for a supervisor to use the findings of a safety audit? - Answers to identify and
correct the underlying causes of unsafe behavior.
which is an example of deliberately unsafe employee behavior that should result if firm disciplinary
action? - Answers failure to tie off (improper use) of fall protection system while working at an elevation
Which is the FIRST and MOST important type of job site hazard control to consider when elimination and
substitution are not options? - Answers engineering controls
A hot work permit must specify which control? - Answers The assignment of fire watch
, Which is an example of a scenario where energized work is acceptable? - Answers A situation in which
additional hazards would be created if the system was de-energized
Which circumstance can cause changes in the hazards presented by an open excavation? - Answers
Heavy machinery is being operated near the excavation.
Which statement is correct regarding the use of high visibility retro-reflective personal protective
equipment garments? - Answers Garments should be inspected to ensure that micro-reflectors have not
been worn off and garment retains proper retro-reflection.
Which statement is the MOST correct regarding hazard controls for material conveyor systems? -
Answers Steps or bridges should be installed in areas where workers may need to cross over the
conveyor.
Which is the MOST appropriate control for pinch points while handling 55-gallon drums? - Answers
Employee knowledge of proper hand placement
When selecting proper gloves for chemical materials handling, it is important to understand the
chemical breakthrough rating for the type of chemical that the employee may come into contact with.
The chemical ratings are E, G, F, and P. Which does the "P" chemical breakthrough rating stand for? -
Answers Poor, not recommended (breakthrough times less than 1hr)
Which is an example of a passive fall protection system? - Answers guardrails
In the workplace, who is responsible for ensuring that walking and working surfaces are properly
maintained and kept in a clean, orderly, and sanitary condition? - Answers the employer
Which is one of the MOST commonly cited unsafe conditions at a worksite? - Answers poor general
housekeeping
Which statement is correct regarding hand and power tools? - Answers It is the employer's responsibility
to ensure that only well-maintained and operable hand and power tools are utilized on the job site.
Which criteria would necessitate a critical lift plan? - Answers Lifting in weather conditions that may
affect crane or equipment performance
During a crane lifting operation, which person is responsible for control of the lift? - Answers the
designated signal person
Which is an important ergonomic practice when attempting to maintain neutral body postures while
working in a seated posture? - Answers the knees are about the same height as the hips, with the feet
slightly forward
Industrial hygienists MOST commonly measure thermal conditions to control employee thermal stress
using the wet bulb globe temperature (WBGT) index and which other Index? - Answers Effective
Temperature (ET) index
