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Job Description:

  • 1) Tends tumble drums, screens, and balance scales to test hardness of baked taconite pellets: Reads schedule to obtain specifications, such as furnace from which pellets are to be drawn and time of withdrawal, and notifies sampling personnel to prepare sample pellets.

  • 2) Pours sample over screen, and weighs screened pellets on balance scale.

  • 3) Dumps pellets into drum, and starts drum rotating for specified number of turns.

  • 4) Screens tumbled pellets, and weighs them to determine weight loss from tumbling.

  • 5) Reads conversion chart to obtain hardness number.

  • 6) Records hardness number of samples tested.

  • 7) May clean work area, using broom, shovel, and water hose.




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End Of Job Description for: "HARDNESS TESTER"
DOT:   519.585-010

Job Number: 4778