FREE STSC Hazard Identification and Control Questions and Answers

Question 1

A Job Hazard Analysis (JHA) has identified that a specific task requires workers to use a solvent-based paint with high VOCs inside a poorly ventilated space.
According to the hierarchy of controls, which of the following is the most effective measure to protect the workers?

Accepted Answer

Using a water-based, low-VOC paint instead.

Answer

Requiring workers to wear organic vapor respirators.

Answer

Scheduling the work for shorter durations to limit exposure.

Answer

Installing a temporary exhaust fan in the work area.

Question 2

A construction supervisor is reviewing safety metrics to proactively identify and address potential risks before incidents occur. Which of the following is a leading indicator of safety performance?

Accepted Answer

Number of safety observations and near-miss reports submitted.

Answer

Total Recordable Incident Rate (TRIR) for the previous quarter.

Answer

Workers' compensation costs from the past year.

Answer

Days Away, Restricted, or Transferred (DART) rate.

Question 3

During a daily site inspection, a supervisor notices a large, unmarked puddle of clear liquid on a concrete walkway in a high-traffic area. What is the supervisor's most immediate and appropriate first step?

Accepted Answer

Barricade the area and post a warning sign.

Answer

Find the source of the liquid to prevent it from happening again.

Answer

Write a report for the safety committee to review at the next meeting.

Answer

Instruct the nearest worker to clean up the spill immediately.

Question 4

Which of the following is a key component of an OSHA-compliant Hazard Communication (HazCom) program on a construction site?

Accepted Answer

Ensuring Safety Data Sheets (SDSs) for all hazardous chemicals are readily accessible to employees.

Answer

A list of all employees who have been previously exposed to chemicals.

Answer

Providing generic safety training that covers all potential site hazards.

Answer

Mandating that only safety supervisors are authorized to handle chemical containers.

Question 5

A crew is tasked with installing siding on a two-story building. The supervisor must decide on the primary method for fall protection. Applying the hierarchy of controls, what would be considered an engineering control?

Accepted Answer

Erecting scaffolding with guardrails around the work area.

Answer

Training workers on the safe use of ladders.

Answer

Requiring all workers to wear personal fall arrest systems (harness and lanyard).

Answer

Scheduling the work to be done only during daylight hours with good weather.

Question 6

What is the primary purpose of conducting a Job Hazard Analysis (JHA) before starting a new construction task?

Accepted Answer

To proactively identify potential hazards and establish controls to prevent incidents.

Answer

To assign blame after an incident has occurred.

Answer

To fulfill a client's contractual requirement for project documentation.

Answer

To determine the minimum amount of Personal Protective Equipment (PPE) required by OSHA.

A Job Hazard Analysis (JHA) has identified that a specific task requires workers to use a solvent-based paint with high VOCs inside a poorly ventilated space.According to the hierarchy of controls, which of the following is the most effective measure to protect the workers?

A Job Hazard Analysis (JHA) has identified that a specific task requires workers to use a solvent-based paint with high VOCs inside a poorly ventilated space.
According to the hierarchy of controls, which of the following is the most effective measure to protect the workers?