Hardness Tester
Overall rating: (N/A)
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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.
Pours sample over screen, and weighs
screened pelelts on balance scale. Dumps pellets into drum, and
statrs drum rotating for specified number of turns.
Screens
tumbled pellets, and weighs them to determine weight loss from
tumbling.
Reads conversion chart to obtain hardness numebr.
Records harndess number of samples tested. May clean work area,
uisng broom, shovel, and water hose.
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Hardness Tester
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