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Quizzes > Health & Medicine

Introduction to OSHA Quiz Answers: Test Core Safety Rules

Quick, free intro to OSHA quiz. Instant results and explanations.

Editorial: Review CompletedCreated By: Hannah CollinsUpdated Aug 25, 2025
Difficulty: Moderate
2-5mins
Learning OutcomesCheat Sheet
Paper art illustration of construction safety icons hard hat safety cone blueprint OSHA quiz text on teal background

This quiz helps you check your understanding of Introduction to OSHA basics, including PPE, fall protection, and hazard communication. Get instant results with brief explanations, then keep building skills with a construction site safety quiz, focused OSHA quiz questions, and an osha ppe quiz on the job.

What does OSHA stand for?
Occupational Safety and Health Administration
Occupational Standards and Health Agency
Organization for Safety and Health Accreditation
Official Standards for Hazardous Activities
OSHA is an acronym for the Occupational Safety and Health Administration, the federal agency responsible for ensuring safe and healthy working conditions. It was created by the Occupational Safety and Health Act of 1970 to administer workplace standards. OSHA enforces regulations and provides training resources.
In which year was the Occupational Safety and Health Act signed into law, establishing OSHA?
1980
1990
1970
1965
The Occupational Safety and Health Act was signed into law by President Nixon on December 29, 1970, and OSHA officially began operation in 1971. This Act provides for the development of mandatory job safety and health standards. It marked a milestone in worker protection.
What is the primary purpose of OSHA's General Duty Clause?
Set maximum wage standards for hazardous jobs
Mandate specific training hours for all employees
Require employers to provide a workplace free from recognized hazards
Determine employee health benefits coverage
OSHA's General Duty Clause (Section 5(a)(1) of the OSH Act) requires employers to provide a workplace free from recognized serious hazards. It applies when no specific OSHA standard covers a particular hazard. Employers must take reasonable steps to protect workers from dangers.
Which federal department is OSHA a part of?
Department of Labor
Department of Health and Human Services
Department of Commerce
Environmental Protection Agency
OSHA is part of the U.S. Department of Labor and is responsible for developing and enforcing workplace safety regulations. It works alongside other agencies but reports directly to the Secretary of Labor. This placement emphasizes its role in workforce protection.
Which standard requires employers to communicate hazards of chemical products to employees?
Respiratory Protection Standard
Hazard Communication Standard
Process Safety Management Standard
Lockout/Tagout Standard
The Hazard Communication Standard (HCS) requires chemical manufacturers and employers to evaluate and communicate hazards to workers through labels and Safety Data Sheets (SDSs). It ensures that workers know the identities and hazards of chemicals they handle. This standard is often called the 'Right-to-Know' law.
What slope ratio is recommended by OSHA for portable ladder placement?
1:1 (one unit out for every one up)
4:1 (one unit out for every four up)
2:1 (one unit out for every two up)
6:1 (one unit out for every six up)
OSHA recommends the 4:1 ratio for portable ladders: for every four feet of vertical height, the ladder base should be one foot away from the wall. This minimizes tipping and slipping hazards. Proper angle ensures stable footing and user safety.
Which OSHA standard covers fall protection in construction work?
1910 Subpart I
1926 Subpart M
1926 Subpart D
1910 Subpart D
OSHA's fall protection requirements for the construction industry are found in 29 CFR 1926 Subpart M. It addresses guardrails, safety nets, personal fall arrest systems, and training. These rules help prevent falls from elevations and through openings.
Which form must employers maintain to record work-related injuries and illnesses?
OSHA Form 304
OSHA Form 300
OSHA Form 301
OSHA Form 302
OSHA Form 300, the Log of Work-Related Injuries and Illnesses, is used to classify and record injuries and illnesses. Form 301 is the incident report, and Form 300A is the summary. Accurate logs help identify workplace hazards.
What is OSHA's permissible exposure limit (PEL) for noise over an 8-hour time-weighted average?
90 dBA
95 dBA
100 dBA
85 dBA
OSHA's PEL for occupational noise exposure is 90 decibels (A-weighted) over an 8-hour time-weighted average. Above this limit, employers must implement feasible administrative or engineering controls. Hearing protection must be provided if controls do not lower exposure to permissible levels.
Under OSHA's confined space standard, at what oxygen concentration is a space considered oxygen-deficient?
Below 19.5%
Below 18%
Below 23%
Below 21%
OSHA defines an oxygen-deficient atmosphere as having less than 19.5% oxygen by volume (29 CFR 1910.146). Normal atmospheric levels are about 20.9%. Lower levels can impair cognition and physical function and become life-threatening.
Which OSHA standard governs control of hazardous energy (lockout/tagout)?
29 CFR 1926.502
29 CFR 1910.147
29 CFR 1904.7
29 CFR 1910.95
OSHA's Control of Hazardous Energy (Lockout/Tagout) standard is codified at 29 CFR 1910.147. It specifies procedures for isolating energy sources before maintenance. The standard protects workers from unexpected energization or startup of machinery.
What is OSHA's permissible exposure limit (PEL) for respirable crystalline silica over an 8-hour TWA?
10 µg/m3
25 µg/m3
100 µg/m3
50 µg/m3
OSHA's PEL for respirable crystalline silica is 50 micrograms per cubic meter of air as an 8-hour time-weighted average (29 CFR 1910.1053). This limit helps prevent silicosis and other lung diseases. Employers must implement engineering controls to reduce exposures.
How many pictogram symbols are used in OSHA's Hazard Communication Standard aligning with GHS?
7
6
8
9
OSHA's Hazard Communication Standard (aligned with GHS) uses nine pictograms to convey chemical hazards, including health, flame, exclamation, gas cylinder, corrosion, exploding bomb, environment, skull and crossbones, and more. Each pictogram represents a different class of hazard. Employers must include appropriate pictograms on labels.
What is the minimum clearance distance OSHA requires between scaffolding and power lines under 50 kV?
4 feet
6 feet
10 feet
15 feet
For power lines less than 50 kilovolts, OSHA requires a minimum clearance of 10 feet from scaffolding (29 CFR 1926.451). Distances increase for higher voltages. This rule prevents electrical shock hazards for workers on scaffolds.
Under OSHA's confined space standard, the lower explosive limit (LEL) must be below what percentage before entry?
20%
10%
15%
5%
OSHA requires that the atmosphere in a permit-required confined space have combustible gas levels below 10% of the lower explosive limit (LEL) before entry (29 CFR 1910.146). This threshold ensures that flammable atmospheres are kept at safe levels. Continuous monitoring may be required.
What is the Assigned Protection Factor (APF) of a full-facepiece elastomeric respirator under OSHA's respiratory protection standard?
25
10
50
5
OSHA assigns a protection factor of 50 to a full-facepiece elastomeric respirator under 29 CFR 1910.134. This means the respirator reduces airborne concentrations by a factor of 50 when properly fitted and maintained. Fit testing and training are required to achieve this level of protection.
Under OSHA's Lockout/Tagout standard, which step requires verification that energy sources have been isolated before maintenance begins?
Tag application
Notification of affected employees
Energy source identification
Try-out or verification of isolation
After locking or tagging out equipment, OSHA's 29 CFR 1910.147 requires the authorized employee to verify isolation by attempting a start or measuring for residual energy. This 'try-out' step ensures that the equipment cannot be energized unexpectedly. It's a critical control-to ensure safety before servicing machinery.
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Study Outcomes

  1. Understand OSHA Regulation Fundamentals -

    Complete the introduction to osha answers quiz to grasp the key OSHA regulations governing construction safety. This knowledge lays the groundwork for safe and compliant job site operations.

  2. Identify Competent Person Responsibilities -

    Learn to recognize the qualifications and duties of a competent person as defined by OSHA. This enables clear assignment of roles and accountability on site.

  3. Apply OSHA Reporting Procedures -

    Master the correct procedures for hazard reporting, incident documentation, and recordkeeping under OSHA guidelines. Proper application ensures timely compliance and risk mitigation.

  4. Analyze Construction Safety Standards -

    Through the construction safety standards quiz, review common on-site hazards and best practices required by OSHA. This analysis sharpens your hazard recognition skills.

  5. Evaluate Quiz Results for Improvement -

    Use your osha safety quiz performance data to pinpoint knowledge gaps and direct future study efforts. Understanding your results supports continuous learning and skill development.

  6. Enhance Job Site Safety Decisions -

    Apply insights gained from the OSHA regulations quiz to make informed safety decisions on the job. This leads to a more proactive approach to hazard prevention.

Cheat Sheet

  1. General Duty Clause (OSHA Section 5(a)(1)) -

    OSHA's General Duty Clause requires employers to keep workplaces free of recognized hazards likely to cause death or serious physical harm (OSHA.gov). Remember "5 a Day Keeps Hazards Away" to recall Section 5(a)(1)'s commitment to proactive safety.

  2. Competent Person Requirements -

    Under 29 CFR 1926.32(f), a competent person must identify hazards, have the authority to correct them, and be trained in OSHA regulations (NIOSH). Use the mnemonic "I-CARE" (Identify, Control, Assess, Report, Educate) to recall core duties.

  3. Reporting and Recordkeeping (29 CFR 1904) -

    Employers must record work-related injuries on the OSHA 300 log within 7 days and report fatalities or hospitalizations within 48 hours (OSHA Injury & Illness Recordkeeping). Think "48H for Life, 7D for Log" to nail these deadlines on any quiz.

  4. Fall Protection Standards (29 CFR 1926.501) -

    Workers must use guardrail systems, safety nets, or personal fall arrest systems at heights ≥ 6 feet above a lower level (CPWR). Remember "6 Feet? Safety Meets" to ensure you choose the correct protection method.

  5. Hazard Communication Basics (29 CFR 1910.1200) -

    Employers must maintain Safety Data Sheets (SDS) for hazardous chemicals and label containers per GHS pictograms (American Chemistry Council). The acronym "PILLS" (Physical, Ingredients, Label, Lingo, SDS Sections) helps you recall key HazCom elements.

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