A mobile crane operator is responsible for which of the following?

The responsibility of a mobile crane operator includes knowing how to read and interpret the load chart. This knowledge is crucial because the load chart provides essential information about the crane's lifting capabilities, including the maximum load it can lift at various radii, boom angles, and configurations. Accurate interpretation of the load chart ensures that the crane operates within safe limits to avoid overloading, which can lead to accidents, equipment damage, or loss of load control. Understanding this information is vital for ensuring safety on the job site and for complying with regulatory standards.

While operating heavy machinery, training others, and monitoring weather conditions are important aspects of the broader operational context, they fall outside the specific core responsibility of reading and interpreting the load chart as a mobile crane operator.