Table 5 Optimum solutions for various process parameters of models for different response variables.
Process parameters | Predicted value | Experimental value | Per cent prediction error (±) | Difference |
|---|---|---|---|---|
Moisture Content (%) | 71.06 | 75 | ||
Needle penetration depth (mm) | 27.09 | 30 | ||
Crank speed (rpm) | 37.78 | 38 | ||
Responses | ||||
ER (%) | 97.55 | 96.03 | 0.67 | 1.52 |
FR (%) | 3.65 | 5.55 | 0.83 | 1.90 |
