Determination of Effective Factors on Power Requirement and Conveying Capacity of a Screw Conveyor under Three Paddy Grain Varieties

Table 1

Variance analysis of power requirement and convening capacity.

Variation sources		Power requirement (watt)		Conveying capacity
	Freedom degree	Square mean	𝐹 ratio	Square mean	𝐹 ratio
Replication	3	153	2.930^ns	0.113	1.274^ns
Variety (𝑉)	2	8635	165.451**	30.88	387.70**
Error	6	52		0.089
Inclination angle (𝛼.)	4	23626	260.637**	68.11	1275.37**
Interactions (𝑉×𝛼)	8	1762	19.43**	0.053	56.22**
Error	36	90		5.833
Screw speed (𝑁)	3	56790	610.08**	0.203	129.8**
Interactions (𝑉×𝑁)	6	390	4.196**	0.914	4.62**
Interactions (𝛼×𝑁)	12	1942	20.86**	0.515	20.34**
Interactions (𝑉×𝛼×𝑁)	24	1575	16.92**	0.045	11.44**
Error	135	93
Total	239	376298

**Significant at less than 1% probability levels, ^ns: not significant.