Question:
The design of the operator's workplace in the machine is related to
The design of the operator's workplace in the machine is related to
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SIP (Seat Index Point, ISO 5353) is the fundamental reference point for tractor cockpit ergonomics and ROPS clearance envelope design.
Updated On: Sep 4, 2026
- Seat Index Point (SIP)
- Seat Reference Point (SRP)
- Centre of gravity of tractor
- Geometric centre of tractor
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The Correct Option is A
Solution and Explanation
Step 1: Understanding the Concept:
Ergonomic design of the tractor operator workspace and cab controls relies on standardized anatomical reference points establishing optimal reach, visibility, and clearance zones.
Step 2: Detailed Explanation:
The Seat Index Point (SIP), defined under international ISO 5353 and BIS standards, is a standardized point located on the central longitudinal plane of the operator seat.
It simulates the pivot axis of the human torso and thigh joint.
The SIP serves as the universal reference datum for designing the location of hand levers, foot pedals, steering wheels, rollover protective structures (ROPS), and viewing angles in tractor workstations.
Step 3: Final Answer:
Thus, the operator's workplace design is directly related to Seat Index Point (SIP), corresponding to option (A).
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