STSC EXAM QUESTIONS WITH CORRECT
ANSWERS
Which of the following BEST describes the Threshold Limit Value (TLV)?
| | | | | | | | | |
A. The amount of hazardous chemical exposure to which a worker can be
| | | | | | | | | | | | |
exposed.
B. The number of physical hazards to which a worker can be exposed.
| | | | | | | | | | | |
C. The amount of hazardous chemicals in work area.
| | | | | | | |
D. The required information on a container label. - CORRECT ANSWER✔✔-A
| | | | | | | | | |
Respirator users must be trained, medically cleared, and
| | | | | | |
A. Assigned a personal respirator.
| | | |
B. Purchase their own respirator.
| | | |
C. Provided a new respirator daily.
| | | | |
D. Fit Tested. - CORRECT ANSWER✔✔-D
| | | | |
Your crew enters an area and finds used disposable respirators on the floor from
| | | | | | | | | | | | | |
a previous work crew. Your company has a respirator program and as the
| | | | | | | | | | | | |
supervisor you should: | |
A. Begin work and assume the previous hazard has been removed.
| | | | | | | | | |
B. Put all workers in the respirators left by the previous crew.
| | | | | | | | | | |
C. Determine the reason for the previous crew's usage of the respirator and
| | | | | | | | | | | | |
appropriately protect the crew from those hazards.
| | | | | |
,D. Begin work and write a report to the contracting employer. - CORRECT
| | | | | | | | | | | | |
ANSWER✔✔-C
Your crew does not have a respirator program. The Supervisor and crew arrive on
| | | | | | | | | | | | | |
site to begin work outside. About 20 meters (60 feet) upwind from the work area,
| | | | | | | | | | | | | |
a welding crew is still working in respirators. The welding crew supervisor said
| | | | | | | | | | | | | |
they would be finished in 20 minutes. The supervisor should:
| | | | | | | | |
A. Begin work.
| |
B. Put the crew in respirators and begin work.
| | | | | | | |
C. Wait the 20 minutes for the welders to complete their work.
| | | | | | | | | | |
D. Have the welding crew supervisor suspend operations until your crew is
| | | | | | | | | | | |
finished. - CORRECT ANSWER✔✔-C | | |
Work in confined space monitor reads 15% oxygen. The workers should:
| | | | | | | | | |
A. Evacuate, the space is oxygen enriched.
| | | | | |
B. Continue working.
| |
C. Evacuate, the space is oxygen deficient.
| | | | | |
D. Put the workers in air purifying respirators. - CORRECT ANSWER✔✔-C
| | | | | | | | | |
On a jobsite, which of the following is MOST CORRECT concerning Safety Data
| | | | | | | | | | | | |
Sheets (SDS) accessibility? | |
A. The supervisor or crew leader must have access and can provide a copy to the
| | | | | | | | | | | | | | | |
workers.
B. Provide a copy for each worker for each chemical.
| | | | | | | | |
C. Copies of SDS should be filed with the local fire department.
| | | | | | | | | | |
,D. SDS are provided to the workers by OSHA. - CORRECT ANSWER✔✔-A
| | | | | | | | | | |
When workers enter a permit required confined space with hazardous conditions,
| | | | | | | | | |
who must have continuous communication with the entrants?
| | | | | | | |
A. One attendant per entrant.
| | | |
B. A rescue team available within 30 seconds.
| | | | | | |
C. Entry Supervisor
| |
D. Attendant(s) - CORRECT ANSWER✔✔-D
| | | |
Which of the following terms BEST describes when to dispose of a respirator?
| | | | | | | | | | | |
A. Service life.
| |
B. Protection factor.
| |
C. Air purifying.
| |
D. Fit test. - CORRECT ANSWER✔✔-A
| | | | |
Which is the MOST APPROPRIATE measurement of individual safety
| | | | | | | | |
performance?
A. Recognize workers for reporting hazards and correcting them.
| | | | | | | |
B. Group performing thus far without injuries.
| | | | | |
C. No safety discipline in the past year.
| | | | | | |
D. Crew completes entire job without a recordable injury. - CORRECT
| | | | | | | | | | |
ANSWER✔✔-A
, The superintendent asks a STSC to evaluate the injury records for a 1 Million-
| | | | | | | | | | | | |
Man-Hours-With-No-Lost-Time Accident Award. Upon review, the STS discovers | | | | | | | |
that a case involving 3 days away from work was not categorized correctly. The
| | | | | | | | | | | | | |
STSC should: |
A. Report the misclassification to the site superintendent.
| | | | | | |
B. Allow recognition to continue.
| | | |
C. Notify the federal authorities.
| | | |
D. Do not issue the award. - CORRECT ANSWER✔✔-A
| | | | | | | |
Which of the following MOST relates to the 1st standard of the STS code of
| | | | | | | | | | | | | | |
ethics?
A. Perform safety responsibilities and assignments only in areas of their
| | | | | | | | | | |
competence.
B. Hold paramount the safety and health of people and the protection of
| | | | | | | | | | | | |
property and environment in performance of safety responsibilities.
| | | | | | |
C. Issue objective and truthful statements to employers, clients or appropriate
| | | | | | | | | | |
authorities.
D. Act in matters related to safety responsibilities for employers or clients as
| | | | | | | | | | | | |
faithful agents. - CORRECT ANSWER✔✔-B
| | | |
A Foreman requests that the STSC conduct samples on the dust from a grinding
| | | | | | | | | | | | | |
operation. The STSC has no experience with collecting samples. The STSC should:
| | | | | | | | | | |
A. Notify superintendent that STS is not qualified and recommend the company
| | | | | | | | | | | |
gets a qualified person to collect samples.
| | | | | |
B. Read up on specific materials and perform sampling.
| | | | | | | |
C. Recommend proceeding with job without sampling.
| | | | | |
ANSWERS
Which of the following BEST describes the Threshold Limit Value (TLV)?
| | | | | | | | | |
A. The amount of hazardous chemical exposure to which a worker can be
| | | | | | | | | | | | |
exposed.
B. The number of physical hazards to which a worker can be exposed.
| | | | | | | | | | | |
C. The amount of hazardous chemicals in work area.
| | | | | | | |
D. The required information on a container label. - CORRECT ANSWER✔✔-A
| | | | | | | | | |
Respirator users must be trained, medically cleared, and
| | | | | | |
A. Assigned a personal respirator.
| | | |
B. Purchase their own respirator.
| | | |
C. Provided a new respirator daily.
| | | | |
D. Fit Tested. - CORRECT ANSWER✔✔-D
| | | | |
Your crew enters an area and finds used disposable respirators on the floor from
| | | | | | | | | | | | | |
a previous work crew. Your company has a respirator program and as the
| | | | | | | | | | | | |
supervisor you should: | |
A. Begin work and assume the previous hazard has been removed.
| | | | | | | | | |
B. Put all workers in the respirators left by the previous crew.
| | | | | | | | | | |
C. Determine the reason for the previous crew's usage of the respirator and
| | | | | | | | | | | | |
appropriately protect the crew from those hazards.
| | | | | |
,D. Begin work and write a report to the contracting employer. - CORRECT
| | | | | | | | | | | | |
ANSWER✔✔-C
Your crew does not have a respirator program. The Supervisor and crew arrive on
| | | | | | | | | | | | | |
site to begin work outside. About 20 meters (60 feet) upwind from the work area,
| | | | | | | | | | | | | |
a welding crew is still working in respirators. The welding crew supervisor said
| | | | | | | | | | | | | |
they would be finished in 20 minutes. The supervisor should:
| | | | | | | | |
A. Begin work.
| |
B. Put the crew in respirators and begin work.
| | | | | | | |
C. Wait the 20 minutes for the welders to complete their work.
| | | | | | | | | | |
D. Have the welding crew supervisor suspend operations until your crew is
| | | | | | | | | | | |
finished. - CORRECT ANSWER✔✔-C | | |
Work in confined space monitor reads 15% oxygen. The workers should:
| | | | | | | | | |
A. Evacuate, the space is oxygen enriched.
| | | | | |
B. Continue working.
| |
C. Evacuate, the space is oxygen deficient.
| | | | | |
D. Put the workers in air purifying respirators. - CORRECT ANSWER✔✔-C
| | | | | | | | | |
On a jobsite, which of the following is MOST CORRECT concerning Safety Data
| | | | | | | | | | | | |
Sheets (SDS) accessibility? | |
A. The supervisor or crew leader must have access and can provide a copy to the
| | | | | | | | | | | | | | | |
workers.
B. Provide a copy for each worker for each chemical.
| | | | | | | | |
C. Copies of SDS should be filed with the local fire department.
| | | | | | | | | | |
,D. SDS are provided to the workers by OSHA. - CORRECT ANSWER✔✔-A
| | | | | | | | | | |
When workers enter a permit required confined space with hazardous conditions,
| | | | | | | | | |
who must have continuous communication with the entrants?
| | | | | | | |
A. One attendant per entrant.
| | | |
B. A rescue team available within 30 seconds.
| | | | | | |
C. Entry Supervisor
| |
D. Attendant(s) - CORRECT ANSWER✔✔-D
| | | |
Which of the following terms BEST describes when to dispose of a respirator?
| | | | | | | | | | | |
A. Service life.
| |
B. Protection factor.
| |
C. Air purifying.
| |
D. Fit test. - CORRECT ANSWER✔✔-A
| | | | |
Which is the MOST APPROPRIATE measurement of individual safety
| | | | | | | | |
performance?
A. Recognize workers for reporting hazards and correcting them.
| | | | | | | |
B. Group performing thus far without injuries.
| | | | | |
C. No safety discipline in the past year.
| | | | | | |
D. Crew completes entire job without a recordable injury. - CORRECT
| | | | | | | | | | |
ANSWER✔✔-A
, The superintendent asks a STSC to evaluate the injury records for a 1 Million-
| | | | | | | | | | | | |
Man-Hours-With-No-Lost-Time Accident Award. Upon review, the STS discovers | | | | | | | |
that a case involving 3 days away from work was not categorized correctly. The
| | | | | | | | | | | | | |
STSC should: |
A. Report the misclassification to the site superintendent.
| | | | | | |
B. Allow recognition to continue.
| | | |
C. Notify the federal authorities.
| | | |
D. Do not issue the award. - CORRECT ANSWER✔✔-A
| | | | | | | |
Which of the following MOST relates to the 1st standard of the STS code of
| | | | | | | | | | | | | | |
ethics?
A. Perform safety responsibilities and assignments only in areas of their
| | | | | | | | | | |
competence.
B. Hold paramount the safety and health of people and the protection of
| | | | | | | | | | | | |
property and environment in performance of safety responsibilities.
| | | | | | |
C. Issue objective and truthful statements to employers, clients or appropriate
| | | | | | | | | | |
authorities.
D. Act in matters related to safety responsibilities for employers or clients as
| | | | | | | | | | | | |
faithful agents. - CORRECT ANSWER✔✔-B
| | | |
A Foreman requests that the STSC conduct samples on the dust from a grinding
| | | | | | | | | | | | | |
operation. The STSC has no experience with collecting samples. The STSC should:
| | | | | | | | | | |
A. Notify superintendent that STS is not qualified and recommend the company
| | | | | | | | | | | |
gets a qualified person to collect samples.
| | | | | |
B. Read up on specific materials and perform sampling.
| | | | | | | |
C. Recommend proceeding with job without sampling.
| | | | | |
