What is the total number of questions on the CIRO exam?

The total number of questions on the CIRO exam is 135. This number is significant because it reflects the comprehensive nature of the assessment, which is designed to evaluate the knowledge and skills necessary for an industrial refrigeration operator. The CIRO exam covers a wide range of topics, ensuring that candidates are well-versed in important concepts related to safety, system operation, and maintenance, among others.

Understanding the specific number of questions can help candidates prepare more effectively, as it allows them to gauge the extent of material they need to study. The options presented include a variety of figures, but 135 is the correct total, confirming the rigorous standard expected for certification in this field.