What is the main use of educators in the context of tank operations?

The primary purpose of educators in tank operations is to assist with the process of stripping during the loading and unloading of cargo. Educators are devices used to create a vacuum that helps in moving liquids from tanks. This is particularly important during the unloading process, where it ensures that the maximum volume of cargo is drawn from the tank, thereby minimizing waste and improving efficiency.

In the context of tank operations, stripping refers to the technique used to remove the last remaining product from the tank. Educators utilize the principles of fluid dynamics to facilitate this process, which is crucial for both safety and operational efficiency. Proper stripping can help reduce product losses, ensure complete transfer of materials, and maintain the integrity of the tank’s contents.

The other options provided, while relevant to different aspects of tank operations, do not accurately describe the primary function of educators. Cleaning tanks focuses on maintenance and ensuring they are free from contaminants, while monitoring temperature relates to the safe handling of materials. Controlling vapor emissions is an important safety and environmental concern, but it is not the main function of educators, which specifically aid in the transfer of liquid cargo.