GATE Dairy and Food Engineering: Unit Operations in Dairy and Food Engineering – Previous Year Questions
10 GATE previous year questions on Unit Operations in Dairy and Food Engineering (Dairy and Food Engineering, Agricultural Engineering) with answers and explanations, from every paper.
- GATE 2022 AG Q44 – Potato water activity is .942. Using Raoult’s law, which solution is most efficient for osmotic dehydration? Molar masses: sucrose342 g/mol, NaCl58.5…
- GATE 2023 AG Q27 – In a cream separator, fat-globule diameter halves and centrifuge speed triples. How does terminal separation velocity change?
- GATE 2023 AG Q34 – A basket centrifuge rotates1000 rpm. Lighter-liquid surface and interface radii are.1025,.105 m. Light/heavy densities are920,1015 kg/m³. Find radial…
- GATE 2023 AG Q35 – Milk in a homogenizer drops from 250 to 10 bar. Density is 1030 kg/m³. Neglect losses and upstream kinetic energy. Find valve exit speed in m/s, to…
- GATE 2023 AG Q44 – Juice solids concentration is .2 kg per m³ filtrate. Filtration of 12.49 m³ juice deposits.02 m cake of porosity.32. Solids collected are2.5 kg in 180…
- GATE 2023 AG Q47 – Percentage absolute humidity equals percentage relative humidity when which conditions hold? Select all that apply.
- GATE 2024 AG Q45 – Match P Bingham plastic, Q Dilatant, R Pseudoplastic, S Newtonian with 1 Viscosity increases with shear rate,2 Finite yield stress,3 Shear rate…
- GATE 2025 AG Q19 – What is the refrigerant condition at the compressor exit in a vapor-compression refrigeration system?
- GATE 2025 AG Q42 – Match 1 Sensible cooling,2 Cooling and dehumidification,3 Chemical dehumidification,4 Heating and humidification with P Dry-bulb increases/dew-point…
- GATE 2025 AG Q64 – Apple juice of viscosity 1.6 cP is filtered at constant pressure through 2 m². Solids concentration per filtrate volume is .04 g/mL, pressure drop…