Q88: If the values of the Index of tuber shape range... - Design of Tillage and Planting Machinery - Farm Machinery and Power Engineering- ICAR JRF/SRF 2024 | Agrigyan

• Shape Classification of Potato Tubers:
• In farm machinery design (specifically potato diggers, elevator chains, and graders), tuber shape is characterized using the Index of Tuber Shape ($I_s$):

where $L$ is length, $W$ is width, and $T$ is thickness.

• Shape Categories:
• Round tubers: $I_s \lt 150$
• Oval / Elliptical tubers: $150 \le I_s \lt 240$
• Long tubers: $240 \le I_s \le 340$
• Very long tubers: $I_s \gt 340$
• Conclusion: An index of 240 to 340 indicates Long tubers (Option 3).

Correct option: (3) Long