Discussion
Loss terms measured on a thresher at four feed rates.
| Feed (t/h) | Unthreshed | Separation | Blown | Total loss |
|---|---|---|---|---|
| 1.5 | 0.4 | 0.3 | 0.3 | 1.0 |
| 2.0 | 0.5 | 0.5 | 0.3 | 1.3 |
| 2.5 | 0.9 | 1.0 | 0.4 | 2.3 |
| 3.0 | 1.8 | 2.1 | 0.4 | 4.3 |
If capacity is defined by a two per cent total loss, the machine's capacity is closest to
Answer: B
Total loss passes two per cent between 2.0 and 2.5 tonnes per hour, and interpolating puts it near 2.4. Note that unthreshed and separation losses climb together while blown loss barely moves, which is the signature of overloading.
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