P Flashcards

1
Q

What is the maximum accuracy variation in seed metering?

A

As good as 2% variation between rollers

Accuracy can be affected by various factors such as rates, slope, crops, and the use of splitters.

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2
Q

What is the typical accuracy range for seed metering?

A

Commonly in the 3-4% range @ meter

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3
Q

What effect do 1890 splitters have on accuracy?

A

Decrease accuracy by 2-3% in most conditions

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4
Q

How does seed metering change displacement?

A

By changing speed instead of meter exposure (as on box drill)

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5
Q

What is a unique feature of seed metering regarding speed and exposure?

A

Speed AND exposure are always exactly the same between meter sections

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6
Q

What is the implication of not zeroing out feed cups in seed metering?

A

No zeroing out feed cups

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7
Q

Fill in the blank: Accuracy in seed metering can be affected by rates, slope, crops, and the use of _______.

A

splitters

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8
Q

How many openers does a 1 meter section feed on an 1890?

A

2 openers

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9
Q

How many openers does a 1 meter section feed on an opener at 1690?

A

1 opener

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