OSHA 10-Hour Construction Review practice questions
229 free questions with answers and explanations.
- 1.An electrician is using a portable electric drill on a construction site. To protect against electric shock, which of the following is the most effective safety practice?Tools - Hand and Power
- 2.A worker is operating a portable electric drill on a construction site. To protect against electric shock, which of the following protection methods is required by OSHA?Tools - Hand and Power
- 3.A construction worker is operating a hydraulic jack to lift a heavy beam. After the beam has been raised to the desired height, what is the most important safety measure to take before working under or around the lifted load?Tools - Hand and Power
- 4.A construction worker is operating heavy machinery, producing significant amounts of respirable crystalline silica dust. The employer has implemented engineering controls, such as water sprays, and administrative controls, such as limiting work shifts. However, air monitoring indicates that worker exposure still occasionally exceeds the Permissible Exposure Limit (PEL). What additional measure is OSHA most likely to require in this situation?Health Hazards in Construction
- 5.A construction worker is working with a chemical that has a signal word 'Danger' on its label. What does the signal word 'Danger' primarily indicate according to the GHS (Globally Harmonized System)?Health Hazards in Construction
- 6.A worker is setting up a bench grinder with two abrasive wheels. According to OSHA, what is the maximum permissible distance between the abrasive wheel and the adjustable work rest?Tools - Hand and Power
- 7.A construction worker working outdoors on a hot, humid day begins to experience confusion, slurred speech, and hot, dry skin. The worker's body temperature is elevated. Which heat-related illness do these symptoms most strongly suggest?Health Hazards in Construction
- 8.A worker is using a non-powered hand tool, specifically a hammer, to drive nails. Which of the following conditions of the hammer is most likely to cause injury and requires immediate removal from service?Tools - Hand and Power
- 9.A construction worker is handling a container of a chemical with a Globally Harmonized System (GHS) label. Which of the following GHS label elements primarily provides a brief, standardized statement about the hazards of the chemical?Health Hazards in Construction
- 10.A construction worker is handling a product labeled with a GHS pictogram showing a flame over a circle. What type of hazard does this pictogram primarily indicate?Health Hazards in Construction
- 11.A construction crew is working in an area with potential lead-based paint hazards. An employee is observed dry scraping paint without proper respiratory protection. Which of the following is the most immediate and significant health risk associated with this activity?Health Hazards in Construction
- 12.A construction company is conducting a full-scale demolition of an industrial facility built in 1965. The facility contains numerous pipes, boilers, and insulation materials that are likely to contain asbestos. What is the most effective engineering control to minimize airborne asbestos fiber release during removal operations?Health Hazards in Construction
- 13.A construction crew is demolishing an old building containing asbestos-containing materials (ACMs). Which of the following is the primary health risk associated with exposure to asbestos?Health Hazards in Construction
- 14.A construction worker is exposed to noise levels consistently above OSHA's Action Level of 85 dBA TWA, but below the Permissible Exposure Limit (PEL) of 90 dBA TWA. What is the employer's primary responsibility under the Hearing Conservation Program in this situation?Health Hazards in Construction
- 15.A construction company is abating asbestos-containing materials (ACMs) in a building. Which of the following is an essential administrative control for preventing asbestos exposure during this operation?Health Hazards in Construction
- 16.During a construction project, workers are exposed to extreme cold temperatures, leading to symptoms such as numbness, tingling, and pale or waxy-looking skin, particularly on fingers and toes. Which cold-related condition are these symptoms most indicative of?Health Hazards in Construction
- 17.A new hazardous chemical arrives at a construction site. According to the Hazard Communication Standard (HCS), what is the employer's primary responsibility regarding this chemical?Health Hazards in Construction
- 18.A construction company is performing tasks that involve cutting and grinding materials containing crystalline silica. Which of the following engineering controls is MOST effective in reducing worker exposure to silica dust?Health Hazards in Construction
- 19.An experienced carpenter is using a power-actuated tool to drive fasteners into a structural steel beam. The tool misfires. According to OSHA regulations, what is the *first* action the carpenter should take?Tools - Hand and Power
- 20.A construction worker is operating a portable electric tool with a three-prong plug. The ground prong on the plug has been broken off. According to OSHA, what is the safest and most appropriate action the worker should take?Tools - Hand and Power
- 21.A construction worker is experiencing symptoms of heat stress, including heavy sweating, weakness, dizziness, and muscle cramps, but is still conscious and has a normal body temperature. What is the most appropriate first aid response for this condition?Health Hazards in Construction
- 22.A worker is continuously exposed to noise levels exceeding OSHA's Action Level of 85 dBA, but below the Permissible Exposure Limit (PEL) of 90 dBA. What is the employer's mandatory requirement in this scenario?Health Hazards in Construction
- 23.A construction site uses a variety of chemicals. What is the primary purpose of the GHS (Globally Harmonized System) pictograms on chemical labels and Safety Data Sheets (SDS)?Health Hazards in Construction
- 24.A construction worker is exposed to continuous noise levels of 92 dBA over a 6-hour workday. According to OSHA's permissible exposure limits (PELs) for noise, what is the maximum allowable duration for this noise level?Health Hazards in Construction
- 25.A construction crew is using several hand tools, including wrenches, hammers, and screwdrivers. Which of the following is a fundamental safety practice applicable to all hand tools?Tools - Hand and Power
- 26.A construction worker is working outdoors in direct sunlight on a job site where the temperature is 90°F (32°C) with high humidity. Which of the following is the most effective engineering control to reduce the risk of heat stress for this worker?Health Hazards in Construction
- 27.A construction worker is selecting a hand tool for a task that involves applying significant torque to a fastener. To prevent injury and damage, which type of wrench is generally considered the safest and most effective for this application?Tools - Hand and Power
- 28.A construction worker is planning to work in an area where lead-based paint is suspected, but no previous testing has been done. According to OSHA, what is the initial action the employer must take regarding worker protection?Health Hazards in Construction
- 29.A construction worker is regularly exposed to lead dust during renovation work in an old building. OSHA requires medical surveillance for employees exposed to lead at or above the Action Level. What is the Action Level for lead in construction?Health Hazards in Construction
- 30.A construction company is planning a project to renovate an old commercial building. During the initial assessment, the presence of materials suspected to contain asbestos is identified. According to OSHA regulations, what is the primary initial step the employer must take regarding these materials?Health Hazards in Construction
- 31.A construction worker is exposed to a continuous noise level of 95 dBA over an 8-hour workday. According to OSHA standards, what is the maximum permissible duration for this exposure without hearing protection?Health Hazards in Construction
- 32.A worker is operating a portable circular saw. According to OSHA standards, what type of guard is required for the lower portion of the blade?Tools - Hand and Power
- 33.During a hot summer day, construction workers are performing strenuous outdoor tasks. Which of the following is an early symptom of heat stroke, requiring immediate emergency medical attention?Health Hazards in Construction
- 34.A construction worker is performing tasks that involve grinding concrete in an enclosed space without local exhaust ventilation. What is the most significant health hazard associated with this activity, particularly over long-term exposure?Health Hazards in Construction
- 35.A construction worker is performing tasks in an older building and encounters a material that is presumed to contain asbestos. According to OSHA regulations, what is the 'Competent Person' specifically responsible for regarding asbestos hazards?Health Hazards in Construction
- 36.Which section of a Safety Data Sheet (SDS) would provide information on the recommended personal protective equipment (PPE) for handling a specific chemical?Health Hazards in Construction
- 37.A construction worker is performing tasks while wearing multiple layers of clothing in cold weather. Which of the following is the most significant physiological risk if these layers become wet from sweat?Health Hazards in Construction
- 38.A painter is preparing surfaces in an older building and suspects the presence of lead-based paint. What is the most critical initial step before disturbing the paint?Health Hazards in Construction
- 39.A construction worker is observed with skin that appears pale or waxy, and feels firm or hard to the touch, particularly on the nose and ears, after prolonged exposure to freezing temperatures. The worker reports numbness in these areas. What cold-related condition do these symptoms most strongly suggest?Health Hazards in Construction
- 40.A construction worker is preparing to use a pneumatic impact wrench. Which of the following is an essential safety precaution that must be taken before operating the tool?Tools - Hand and Power
- 41.A worker is using a portable circular saw to cut lumber on a busy construction site. According to OSHA, which part of the saw must be equipped with a guard that automatically adjusts to the thickness of the material being cut?Tools - Hand and Power
- 42.A construction worker is unexpectedly splashed in the eyes with a hazardous chemical. According to the Hazard Communication Standard (HazCom), what is the most immediate and critical step the worker should take?Health Hazards in Construction
- 43.An employer is implementing a hearing conservation program for construction workers exposed to noise levels above 85 dBA 8-hour TWA. Which of the following is NOT a required component of an OSHA-compliant hearing conservation program?Health Hazards in Construction
- 44.A construction worker is operating a pneumatic nail gun. Which of the following is the most critical safety precaution to take before operating the tool?Tools - Hand and Power
- 45.A worker is using a powder-actuated tool to fasten a wooden plate to a steel beam. Which of the following is an unacceptable condition for using a powder-actuated tool?Tools - Hand and Power
- 46.A construction company is implementing a new safety policy for the use of portable electric tools. Which of the following statements correctly describes a mandatory OSHA requirement for protecting workers from electric shock when using these tools?Tools - Hand and Power
- 47.A construction worker is using a fixed abrasive wheel grinder to sharpen a chisel. According to OSHA standards, what is the maximum permissible angle that the work rest should be set from the abrasive wheel's surface?Tools - Hand and Power
- 48.A construction worker is performing tasks that generate significant dust containing crystalline silica. Which of the following is the most effective engineering control to reduce the worker's exposure?Health Hazards in Construction
- 49.A construction worker is exposed to a chemical that causes a burning sensation on the skin and irritation to the respiratory tract. Which type of GHS pictogram would most likely be found on the label of this chemical?Health Hazards in Construction
- 50.A worker is operating heavy machinery in cold weather conditions. Which of the following is the most effective administrative control to prevent cold stress?Health Hazards in Construction