GATE Agricultural Process Engineering: Storage Systems – Previous Year Questions

4 GATE previous year questions on Storage Systems (Agricultural Process Engineering, Agricultural Engineering) with answers and explanations, from every paper.

1. GATE 2021 AG Q63 (2 marks, Numerical answer) – A 4 m diameter,16 m high paddy bin has grain bulk density640 kg/m³,grain–wall friction angle30° and horizontal/vertical pressure ratio .4. By what…
2. GATE 2022 AG Q61 (2 marks, Numerical answer) – A 3 m internal-diameter,10 m deep cylindrical metal silo holds maize of bulk density720 kg/m³. Grain internal-friction angle24°, grain–wall friction…
3. GATE 2025 AG Q65 (2 marks, Numerical answer) – A concrete silo of internal diameter 6 m and height 24 m holds rough rice of bulk density 635 kg/m³. Wall-friction angle is 30° and lateral/vertical…
4. GATE 2026 AG Q29 (1 mark, Multiple choice) – A circular mild-steel wheat bin is 8 m high. Wheat bulk density is 800\,kg/m3,grain–wall static friction coefficient 0.40,and bin hydraulic radius 1…