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* 1. Enter your First and Last name

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* 2. In theory, liners of all types are designed to minimize liner slips and cluster falls, and to milk as quickly and completely as possible, minimizing teat congestion, discomfort, and injury.

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* 3. A liner designed primarily to reduce cup slips tends to be less comfortable for cows.

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* 4. Select the correct description of liner design. 

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* 5. The shape, tension, and surface condition of the teatcup liner changes gradually with liner use, age, and storage, and this gradual deterioration should not have significant effects on the teat milking characteristics.

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* 6. During milking, the pulsation chamber, located between the teatcup and liner, regularly alternates from vacuum (teatcup liner is fully closed) to atmospheric pressure (teatcup liner is fully open).

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* 7. The tip (end) of the teat, below the margin of contact between the teat and liner wall, is subjected to the liner vacuum throughout the entire milking period.

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* 8. What is the primary function of pulsation during machine milking?

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* 9. Select all that apply. How can teat-end hyperkeratosis be reduced?

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* 10. Fill in the blank. Liner slips, milking unit fall-off, and slower milking occur when the milking vacuum is too ______________.

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* 11. In which phase of the pulsation cycle does the compressive load occur?

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* 12. Select all that apply. The equipment factors that can influence the magnitude of measured compressive load include:

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* 13. Liner compression can have an effect on congestion of the teat-end, hyperkeratosis, and teat canal closure.

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