CSO Study Guide 2026
Everything you need to pass the CSO exam in one place: the exam format, every topic to study, real practice questions with explanations, flashcards, and full-length practice tests. Free, no sign-up needed.
📋 CSO Exam Format at a Glance
📚 CSO Topics to Study (21)
✍️ Sample CSO Questions & Answers
1. Any employee who is working on the locked-out equipment has the authority to remove the lock.
Explanation: False. Only the authorized employee who applied the lockout/tagout device has the authority to remove it. Lockout/tagout procedures are designed to prevent the accidental release of hazardous energy during maintenance or servicing activities. All employees involved in such tasks must adhere to the established lockout/tagout procedures and respect the integrity of the locks and tags applied by authorized personnel. Removing a lockout/tagout device without proper authorization can pose serious safety risks and potentially lead to catastrophic accidents or injuries. Therefore, it's essential for employees to understand and follow the established protocols for lockout/tagout procedures to ensure their safety and the safety of others.
2. Which of the following is a primary goal of conducting a worksite hazard assessment?
The fundamental purpose of a hazard assessment is to proactively identify and evaluate workplace hazards so that effective control measures can be implemented to prevent accidents, injuries, and illnesses.
3. A worker discovers a colleague who is unconscious and not breathing. After ensuring the scene is safe, what is the IMMEDIATE next step in this emergency response?
In a critical medical emergency where a person is unresponsive and not breathing, the first and most crucial action is to call for professional medical help (e.g., dial 911). This ensures that advanced care is on the way as quickly as possible, while you or others can then proceed with other first aid measures like CPR.
4. What is the correct course of action when a load is determined to be too heavy for one person to lift safely?
When a load exceeds safe individual lifting capacity, OSHA and general safety guidelines require using mechanical aids (forklifts, hand trucks, hoists) or performing a team lift to control the risk.
5. A worker discovers a small, contained fire in a wastebasket. According to typical emergency response procedures, which of the following should be their first step?
The first and most critical step in a fire emergency is to alert others. Activating the fire alarm ensures that all personnel are notified of the danger and that evacuation procedures can begin promptly, even if the fire seems small.
6. What is the primary purpose of a muster point during a workplace emergency evacuation?
The main reason for gathering at a designated muster point is to allow for a headcount (or roll call) to verify that everyone has evacuated the hazardous area safely. This process helps identify any missing persons so that emergency responders can be notified.