Specify the radius of ZCR (zone of convieniet reach) on a conveyor belt, if the
ID: 2905973 • Letter: S
Question
Specify the radius of ZCR (zone of convieniet reach) on a conveyor belt, if the belt is 1000 mm above the floor.
Table 1: Anthropometry data
Mean
SD
Stature
179.9
12.8
Elbow rest height
20.0
4.9
Thigh clearance
15.9
5.1
Hand breadth
10.2
2.1
Thumb length
7.8
1.8
Upper arm length
36.6
5.4
Forearm and hand length
41.7
6.4
Shoulder height
147.5
10.2
Popliteal height
42.6
5.3
(Arm reach = upper arm length +forearm and hand length, assume correlation = 0.44)
Mean
SD
Stature
179.9
12.8
Elbow rest height
20.0
4.9
Thigh clearance
15.9
5.1
Hand breadth
10.2
2.1
Thumb length
7.8
1.8
Upper arm length
36.6
5.4
Forearm and hand length
41.7
6.4
Shoulder height
147.5
10.2
Popliteal height
42.6
5.3
Explanation / Answer
Radius of ZCR on a conveyor belt is 55.24.
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