Proper operation of the rotating equipment like the agitator, mixer, agglomerator, and centrifuge includes: (Select all that apply.)

a. having machine guards in place
b. running the equipment at designed speed of rotation
c. turning equipment on/off every shift
d. starting the process at 100 RPM per hour


a. Correct. Rotating equipment guards can help minimize accidental contact.
b. Correct. For rotating equipment to perform properly, the RPMs (rotations per minute) of that equipment must be in the correct range.
c. Incorrect. Equipment does not need to be turned on/off at every shift.
d. Incorrect. Rotating equipment must be in the correct range, but does not need to be at 100 RPM for the start-up process.

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