based on the possible answers below, engine - driven welding machines should be shut down if no welding is…

based on the possible answers below, engine - driven welding machines should be shut down if no welding is planned for more than?\n10 minutes\n15 minutes\n20 minutes\n30 minutes
Answer
Brief Explanations:
Engine - driven welding machines are typically shut - down if no welding is planned for more than 15 minutes to save fuel and reduce wear. This is a common practice in welding operations for efficiency and resource conservation.
Answer:
B. 15 minutes