OSHA 511 GENERAL INDUSTRY EXAM – PRACTICE QUESTIONS AND CORRECT ANSWERS (VERIFIED ANSWERS) PLUS RATIONALES 2026 Q&A | INSTANT
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*Core Domains*
*Occupational Safety and Health Act*
*Safety and Health Programs*
*Walking and Working Surfaces*
*Means of Egress and Fire Protection*
*Hazardous Materials*
*Personal Protective Equipment*
*Machine Guarding*
*Electrical Standards*
*Hazard Communication*
*Industrial Hygiene*
*Introduction*
This comprehensive practice assessment is designed to evaluate a candidate's proficiency in OSHA General Industry standards and regulations. The exam focuses on the
identification, abatement, and prevention of workplace hazards as outlined in the 29 CFR 1910 series. Candidates will be assessed on their ability to interpret regulatory
language, apply safety protocols to real-world industrial scenarios, and make critical decisions regarding employee protection and legal compliance. The structure utilizes
multiple-choice questions that range from foundational theoretical knowledge to complex, scenario-based applications. This tool serves as a rigorous benchmark for
professionals aiming to demonstrate mastery in maintaining a safe and compliant working environment.
SECTION ONE: QUESTIONS 1–100
1. Under the OSH Act, which of the following is responsible for providing a workplace free from recognized hazards?
A. The employee
B. The insurance carrier
🟢 C. The employer
D. The Department of Labor
🔴 RATIONALE: Section 5(a)(1) of the OSH Act, known as the General Duty Clause, explicitly mandates that each employer shall furnish to each of his employees employment
and a place of employment which are free from recognized hazards.
2. What is the minimum height at which fall protection is generally required in general industry settings?
A. 3 feet
🟢 B. 4 feet
C. 6 feet
D. 10 feet
,🔴 RATIONALE: Per OSHA standard 1910.28(b)(1)(i), the employer must ensure that each employee on a walking-working surface with an unprotected side or edge that is 4
feet or more above a lower level is protected from falling.
3. Which of the following is a primary requirement for an Exit Route?
🟢 A. It must be permanent
B. It can be blocked if a key is available
C. It must lead to a confined space
D. It must be at least 20 inches wide
🔴 RATIONALE: OSHA 1910.36 requires that exit routes must be permanent parts of the workplace and must lead to an area of safety.
4. A fire extinguisher rated for Class B fires is designed for which material?
A. Wood and paper
🟢 B. Flammable liquids
C. Electrical equipment
D. Combustible metals
🔴 RATIONALE: Class B fire extinguishers are specifically designed for use on flammable liquids, gases, and greases.
5. In the Hierarchy of Controls, which method is considered the most effective?
🟢 A. Elimination
B. Substitution
C. Engineering Controls
D. Personal Protective Equipment
🔴 RATIONALE: Elimination is the most effective control because it physically removes the hazard from the environment entirely.
6. How often must portable fire extinguishers be visually inspected?
A. Daily
B. Weekly
🟢 C. Monthly
D. Annually
🔴 RATIONALE: OSHA 1910.157(e)(2) requires that portable extinguishers or hose stations shall be visually inspected monthly.
7. Which of the following color codes is used to designate "Danger" or "Stop"?
🟢 A. Red
B. Yellow
C. Green
D. Orange
, 🔴 RATIONALE: OSHA 1910.144(a)(1) states that red shall be the basic color for the identification of dangerous conditions and emergency stop buttons or bars.
8. An employer must report a work-related fatality to OSHA within how many hours?
A. 4 hours
🟢 B. 8 hours
C. 24 hours
D. 48 hours
🔴 RATIONALE: Employers are required by 1904.39(a)(1) to report the death of any employee from a work-related incident within 8 hours.
9. The "Point of Operation" on a machine is defined as:
A. The area where the motor is located
B. The emergency stop location
🟢 C. The area where work is performed on the material
D. The lubrication point
🔴 RATIONALE: According to 1910.212(a)(3)(i), the point of operation is the area on a machine where work is actually performed upon the material being processed.
10. Which standard requires employers to maintain Safety Data Sheets (SDS) for hazardous chemicals?
A. Respiratory Protection
🟢 B. Hazard Communication
C. Lockout/Tagout
D. Bloodborne Pathogens
🔴 RATIONALE: The Hazard Communication Standard (1910.1200) requires employers to have an SDS in the workplace for each hazardous chemical which they use.
11. What is the maximum height of a step bolt on a ladder before fall protection is required?
A. 12 feet
B. 20 feet
🟢 C. 24 feet
D. 30 feet
🔴 RATIONALE: Under 1910.28(b)(9), fall protection is generally required on fixed ladders that extend more than 24 feet above a lower level.
12. A "Confined Space" is defined by OSHA as having which of the following characteristics?
A. Contains a hazardous atmosphere
🟢 B. Limited or restricted means for entry or exit
C. Designed for continuous employee occupancy
D. Always requires a permit
🔴 RATIONALE: A confined space is large enough to enter, has limited means of entry/exit, and is not designed for continuous occupancy.
DOWNLOAD PDF.
*Core Domains*
*Occupational Safety and Health Act*
*Safety and Health Programs*
*Walking and Working Surfaces*
*Means of Egress and Fire Protection*
*Hazardous Materials*
*Personal Protective Equipment*
*Machine Guarding*
*Electrical Standards*
*Hazard Communication*
*Industrial Hygiene*
*Introduction*
This comprehensive practice assessment is designed to evaluate a candidate's proficiency in OSHA General Industry standards and regulations. The exam focuses on the
identification, abatement, and prevention of workplace hazards as outlined in the 29 CFR 1910 series. Candidates will be assessed on their ability to interpret regulatory
language, apply safety protocols to real-world industrial scenarios, and make critical decisions regarding employee protection and legal compliance. The structure utilizes
multiple-choice questions that range from foundational theoretical knowledge to complex, scenario-based applications. This tool serves as a rigorous benchmark for
professionals aiming to demonstrate mastery in maintaining a safe and compliant working environment.
SECTION ONE: QUESTIONS 1–100
1. Under the OSH Act, which of the following is responsible for providing a workplace free from recognized hazards?
A. The employee
B. The insurance carrier
🟢 C. The employer
D. The Department of Labor
🔴 RATIONALE: Section 5(a)(1) of the OSH Act, known as the General Duty Clause, explicitly mandates that each employer shall furnish to each of his employees employment
and a place of employment which are free from recognized hazards.
2. What is the minimum height at which fall protection is generally required in general industry settings?
A. 3 feet
🟢 B. 4 feet
C. 6 feet
D. 10 feet
,🔴 RATIONALE: Per OSHA standard 1910.28(b)(1)(i), the employer must ensure that each employee on a walking-working surface with an unprotected side or edge that is 4
feet or more above a lower level is protected from falling.
3. Which of the following is a primary requirement for an Exit Route?
🟢 A. It must be permanent
B. It can be blocked if a key is available
C. It must lead to a confined space
D. It must be at least 20 inches wide
🔴 RATIONALE: OSHA 1910.36 requires that exit routes must be permanent parts of the workplace and must lead to an area of safety.
4. A fire extinguisher rated for Class B fires is designed for which material?
A. Wood and paper
🟢 B. Flammable liquids
C. Electrical equipment
D. Combustible metals
🔴 RATIONALE: Class B fire extinguishers are specifically designed for use on flammable liquids, gases, and greases.
5. In the Hierarchy of Controls, which method is considered the most effective?
🟢 A. Elimination
B. Substitution
C. Engineering Controls
D. Personal Protective Equipment
🔴 RATIONALE: Elimination is the most effective control because it physically removes the hazard from the environment entirely.
6. How often must portable fire extinguishers be visually inspected?
A. Daily
B. Weekly
🟢 C. Monthly
D. Annually
🔴 RATIONALE: OSHA 1910.157(e)(2) requires that portable extinguishers or hose stations shall be visually inspected monthly.
7. Which of the following color codes is used to designate "Danger" or "Stop"?
🟢 A. Red
B. Yellow
C. Green
D. Orange
, 🔴 RATIONALE: OSHA 1910.144(a)(1) states that red shall be the basic color for the identification of dangerous conditions and emergency stop buttons or bars.
8. An employer must report a work-related fatality to OSHA within how many hours?
A. 4 hours
🟢 B. 8 hours
C. 24 hours
D. 48 hours
🔴 RATIONALE: Employers are required by 1904.39(a)(1) to report the death of any employee from a work-related incident within 8 hours.
9. The "Point of Operation" on a machine is defined as:
A. The area where the motor is located
B. The emergency stop location
🟢 C. The area where work is performed on the material
D. The lubrication point
🔴 RATIONALE: According to 1910.212(a)(3)(i), the point of operation is the area on a machine where work is actually performed upon the material being processed.
10. Which standard requires employers to maintain Safety Data Sheets (SDS) for hazardous chemicals?
A. Respiratory Protection
🟢 B. Hazard Communication
C. Lockout/Tagout
D. Bloodborne Pathogens
🔴 RATIONALE: The Hazard Communication Standard (1910.1200) requires employers to have an SDS in the workplace for each hazardous chemical which they use.
11. What is the maximum height of a step bolt on a ladder before fall protection is required?
A. 12 feet
B. 20 feet
🟢 C. 24 feet
D. 30 feet
🔴 RATIONALE: Under 1910.28(b)(9), fall protection is generally required on fixed ladders that extend more than 24 feet above a lower level.
12. A "Confined Space" is defined by OSHA as having which of the following characteristics?
A. Contains a hazardous atmosphere
🟢 B. Limited or restricted means for entry or exit
C. Designed for continuous employee occupancy
D. Always requires a permit
🔴 RATIONALE: A confined space is large enough to enter, has limited means of entry/exit, and is not designed for continuous occupancy.
