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Consider the following statements about loss terms:

1. Unthreshed loss is grain still attached to the head at discharge.

2. Separation loss is grain leaving with the straw.

3. Breakage is grain lost from the machine.

Which of the statements given above is or are correct?

  • A.2 and 3 only
  • B.1, 2 and 3
  • C.1 and 2 only
  • D.1 and 3 only

Answer: C

Correct answer: 1 and 2 only

Statement 1 is correct: unthreshed loss is grain still attached to the head at discharge. Statement 2 is correct: separation loss is grain leaving with the straw.

Statement 3 is false. Breakage is grain damaged inside the machine, and it arrives in the grain tank - cracked, but present. It is a quality loss rather than a quantity one, which is why it is measured as a percentage of the sample rather than counted with the grain that never reached the tank at all.

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