Whole Body Vibration Exposure among the Tractor Operator during Soil Tillage Operation: An Evaluation using ISO 2631-5 Standard

Table 1

S/N ratio of daily equivalent static compression dose (s_ed (8)).

Expt. run	Tractor velocity (m/s)	Tilling depth (m)	Pulling force (kN)	Daily equivalent static compression dose (Sed (8))				S/N ratio (Sed)
				R1	R2	R3	Sed (Mean)
1	0.6	0.10	2	0.41	0.37	0.35	0.38	8.49
2	0.6	0.12	4	0.45	0.48	0.46	0.46	6.68
3	0.6	0.14	6	0.52	0.51	0.54	0.52	5.62
4	0.7	0.12	2	0.51	0.56	0.53	0.53	5.46
5	0.7	0.14	4	0.54	0.56	0.51	0.54	5.41
6	0.7	0.10	6	0.55	0.53	0.58	0.55	5.14
7	0.8	0.14	2	0.56	0.57	0.59	0.57	4.83
8	0.8	0.10	4	0.59	0.59	0.62	0.60	4.44
9	0.8	0.12	6	0.78	0.74	0.76	0.76	2.38