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General Agriculture Dairy and Food Engineering-I Evaporation and Drying Dairy and Food Engineering-II Thermal Engineering Process Equipment Design Refrigeration Engineering Instrumentation and Process Control
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Dairy Engineering- ICAR JRF/SRF 2024
MCQ (Single Correct)
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Dairy Engineering Subjects

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General Agriculture

6 Topics
Agronomy, Tillage & Field Crop Production Agricultural Entomology, Nematology & Crop Protection Soil Science, Plant Nutrition & Reclamation Cell Biology, Plant Physiology & Biochemistry Agricultural Meteorology & Climate Science Crop Genetics, Plant Breeding & IPR

Dairy and Food Engineering-I

6 Topics
Time-Dependent Rheology & Food Texture: Thixotropy, Rheopexy & Texture Profile Analysis (TPA) Fluid Mechanics & Fluid Transport: Laminar & Turbulent Flow, Reynolds Number, Friction Factor & Pressure Drops Rheology of Dairy & Food Fluids: Newtonian Fluids, Pseudoplastic, Dilatant, Bingham Plastic & Yield Stress Viscoelasticity & Mechanical Analog Models: Hookean Solids, Maxwell & Kelvin-Voigt Models, Creep & Relaxation Food Freezing Principles: Freezing Point Depression, Plank's Freezing Equation & Cryogenic Freezing Dairy Pumps Engineering: Centrifugal Pumps, Positive Displacement Pumps, Cavitation & NPSH

Evaporation and Drying

4 Topics
Novel Dehydration Systems: Vacuum Drying, Freeze-Drying (Lyophilization) & Freeze-Concentration Milk Evaporators: Single & Multiple Effect Evaporators, Falling Film, Scraped Surface & Boiling Point Elevation Powder Recovery & Handling: Cyclones, Bag Filters, Wet Scrubbers, Fluidized Bed Dryers & Agglomeration Vapour Separation & Energy Economy: Cyclone Entrainment Separators, Thermal & Mechanical Vapour Recompression

Dairy and Food Engineering-II

4 Topics
Gas & Vapour Permeability in Packaging: Water Vapour Transmission Rate (WVTR), Oxygen Permeability & Detector Film Membrane Transport Engineering: Microfiltration, Ultrafiltration, Nanofiltration, Reverse Osmosis & Dialysis Water Activity & Sorption Thermodynamics: Moisture Sorption Isotherms, BET & GAB Models, Hysteresis & Food Stability Microwave & Dielectric Heating: Magnetron Operation, Dielectric Loss Factor, Penetration Depth & Industrial Processing

Thermal Engineering

5 Topics
Heat Conduction & Extended Surfaces: Fourier's Law, Variable Thermal Conductivity & Fin Heat Dissipation Heat Exchanger Thermal Design: Logarithmic Mean Temperature Difference (LMTD) & Effectiveness-NTU Methods Convective Heat Transfer & Dimensionless Numbers: Nusselt, Reynolds, Prandtl, Grashof & Rayleigh Numbers Classical Thermodynamics & Availability: First & Second Laws, Exergy, Available Energy & Dead State Dynamics Gas & Air Standard Power Cycles: Otto, Diesel, Dual Combustion & Brayton Cycles Thermodynamic Efficiency

Process Equipment Design

6 Topics
Pressure Vessel Mechanics & Design Codes: Thin vs Thick Shell Criteria, ASME Section VIII & IS 2825 Standards Dairy Storage Tanks & Milk Silos: Agitated Tanks, Thermal Insulation, Wind Load Dynamics & Hygienic Standards Heat Exchanger Mechanical Construction: Shell-and-Tube, Floating Head Thermal Expansion Relief & Plate Exchangers Pressure Vessel Heads & Closures: Dished Heads (Torispherical, Ellipsoidal, Hemispherical) vs Flat Heads Stress Concentration Structural Supports for Dairy Vessels: Skirt Supports, Leg Supports, Lug/Bracket Supports & Foundation Loadings Agitation & Mixing Equipment Design: Impeller Types, Vortex Formation Prevention, Baffles & Power Number

Refrigeration Engineering

5 Topics
Vapour Compression Refrigeration Systems (VCRS): Thermodynamic Cycle, Multi-Stage Compression & Intercooling Psychrometrics & Air Conditioning: Dry Bulb, Wet Bulb, Dew Point, Relative Humidity, Contact & Bypass Factors Cold Storage & Thermal Energy Storage: Cold Room Heat Load Estimation & Ice Bank Tank (IBT) Chilled Water Systems Eco-Friendly Refrigerants & Environmental Metrics: Halocarbons, Hydrocarbons, Natural Refrigerants, ODP & GWP Vapour Absorption & Alternative Systems: Ammonia-Water, Lithium Bromide-Water Pairs & Waste Heat Utilization

Instrumentation and Process Control

7 Topics
Programmable Logic Controllers (PLC) & Industrial Automation: Architecture, Ladder Logic & SCADA Systems Process Indicators & Data Recorders: Strip Chart Recorders, Circular Chart Recorders & Digital Data Acquisition Automatic Process Control & Controller Modes: Proportional (P), Integral (PI), Derivative (PID) Controllers & Loop Tuning Active Process Temperature Transducers: Thermocouples (Seebeck Effect), RTD (Pt100), Thermistors & Pyrometry Pressure & Humidity Transducers: Bourdon Tubes, Diaphragm Gauges, Strain Gauges, Hair Hygrometers & Capacitive Sensors Process Flow & Level Measurement: Electromagnetic Flowmeters, Coriolis Mass Flow, Ultrasonic & Differential Pressure Final Control Elements & Process Actuators: Pneumatic Control Valves, Valve Positioners & Fail-Safe Modes
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Previous Year Papers of Dairy Engineering

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10 Major Agriculture Exams Available

RPSC Agriculture Exams

4 Exams
Assistant Agriculture Officer Agriculture Officer RPSC Agriculture Research Officer RPSC AARO

RSSB Agriculture Exams

1 Exam
RSSB Agriculture Supervisor

National & PG Entrances

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ICAR AIEEA PG CUET UG Rajasthan Agriculture Pre-PG
ICAR JRF/SRF Active

Other Agriculture Examinations

1 Exam
Food Safety Officer
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