NCCCO Mobile Crane Operator (CCO-MC) Written Practice Test

The official NCCCO CCO-MC written exam requires a minimum passing score of 80% (60 out of 75 questions). This practice test mirrors the official exam's difficulty and question distribution, with 182 questions covering all core topics. While the practice test is longer to provide comprehensive coverage, achieving consistent scores of 85% or higher on these questions is a strong indicator of readiness for the actual exam. Focus on understanding the rationale behind each answer, especially for load chart and capacity questions, as these are often the most challenging.

OSHA 1926 Subpart CC (Cranes and Derricks in Construction) and ASME B30.5 (Mobile and Locomotive Cranes) are periodically revised. This practice test is based on the most current versions of these standards as of the latest NCCCO exam blueprint. Key updates include requirements for ground condition assessment, operator qualification, and pre-operation inspection documentation. Candidates should always verify they are studying the latest edition of the NCCCO reference manual, as the practice test content is aligned with the current certification cycle.

No. The official NCCCO CCO-MC written exam is a closed-book test. You are not permitted to bring any reference materials, load charts, or electronic devices into the testing center. However, the exam will provide any necessary load chart data or diagrams within the question itself. This practice test simulates that environment by requiring you to recall and apply load chart interpretation skills from memory. Successful candidates memorize key load chart patterns, capacity deductions, and range diagram limitations.

The CCO-MC written exam (Core and Specialty) tests theoretical knowledge of crane components, regulations, load charts, rigging, and safety procedures. It is a computer-based, multiple-choice test. The practical exam, administered separately, evaluates hands-on operating skills including pre-operation inspection, maneuvering a crane through a course, and lifting loads with precision. You must pass both the written and practical exams to earn the full CCO-MC certification. This practice test focuses exclusively on the written portion.

The NCCCO CCO-MC certification is valid for five years from the date of successful completion of both the written and practical exams. To recertify, operators must pass a written recertification exam (which covers updated regulations and standards) and a practical recertification exam. There is no grace period; if your certification expires, you must retake the full initial certification process. This practice test is also an excellent tool for recertification candidates to refresh their knowledge of current standards.