CHST Construction Safety Prep practice questions and answers 2026. Tap an option to test yourself — you'll see the correct answer and a plain-English explanation for every question. Free, no login.
Q21What is an independent organization that tests and certifies the safe design of fire prevention and suppression products?
✓ Correct answer: D. National Fire Protection Association
NFPA is an independent organization that tests and certifies the safe design of fire prevention and suppression products according to NFPA standards.
Q22Which principle of design safety gives responsibility for incorporating safe design to all parties influencing and controlling the design process?
✓ Correct answer: C. Principle 1: Persons With Control
When implementing safety in the design phase, it is important to follow five basic principles: Principle 1 - Persons With Control, Principle 2 - Product lifecycle, Principle 3 - Systematic risk management, Principle 4 - Safe design knowledge and capability, and Principle 5 - Information transfer.
Q23What program does the National Institute for Occupational Safety and Health advocate for promoting design safety?
✓ Correct answer: B. Prevention Through Design
NIOSH advocates for the Prevention Through Design program, which emphasizes the safety of construction workers during the design phase.
Q24What is the safety principle that includes hazard identification in the design phase?
✓ Correct answer: A. Principle 3: Systematic risk management
Incorporating safety into the design phase is guided by five fundamental principles: Principle 1: Individuals in Control Principle 2: Product life cycle Principle 3: Systematic risk management Principle 4: Knowledge and capability for safe design Principle 5: Transfer of information
Q25What is an independent organization that tests and certifies the safe design of products following industry standards?
✓ Correct answer: D. Underwriters Laboratory
UL is an independent organization that tests and certifies the safe design of products following industry standards.
Q26What is the focus of industrial hygiene as a science?
✓ Correct answer: C. anticipates, recognizes, evaluates, and controls
Industrial hygiene as a science focuses on anticipating, recognizing, evaluating, and controlling the workplace conditions that may cause injury or illness to employees.
Q27Who is hired by OSHA to assess the workplace and determine the extent to which employees have been exposed to harmful conditions?
✓ Correct answer: B. The Industral Hygienist
OSHA employs Industrial Hygienists to assess workplaces and determine the extent to which employees have been exposed to harmful or hazardous situations. The Industrial Hygienist also examines, identifies, and measures the hazards that cause illness by examining chemical, physical, ergonomic, and biological exposures. It is the responsibility of the Industrial Hygienist to advise the employer on how to control or eliminate the issues through proper training.
Q28What year did the federal government pass the Occupational Safety and Health Act, or OSHA?
✓ Correct answer: A. 1970
The Occupational Safety and Health Act, or OSHA, was enacted by the federal government in 1970.
Q29The Industrial Hygienist identifies potential workplace issues by performing which of the following?
✓ Correct answer: D. Worksite Analysis
The Industrial Hygienist identifies potential workplace issues by conducting a worksite analysis. This involves identifying problems, exposure, and risks, as well as inspecting, researching, and analyzing all job activities. Subsequently, the Industrial Hygienist determines hazards and provides recommendations to OSHA and employers on addressing these issues.
Q30Which of the following items are NOT considered as industrial hygiene hazards in the workplace?
✓ Correct answer: C. Flour, salt, oil, and water
Examples of industrial hygiene hazards include Air Contaminants, Chemical Hazards, Biological Hazards, Physical Hazards, and Ergonomic hazards. These hazards may involve substances such as dust, fumes, vapors, carbon monoxide, bacteria, fungi, lifting, holding, gases, helium, argon, radiation, and extreme noises, among others.
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