Which of the following is NOT a significant contributor to... | Agrigyan

Power Generation and Energy Storage General Agriculture Thermochemical Conversion Technology Energy Auditing and Management Wind Energy Engineering Biochemical Conversion Technology Solar Energy Engineering Modeling and Project Management in Energy Liquid Biofuels
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Renewable Energy Engineering- ICAR JRF/SRF 2024
MCQ (Single Correct)

Which of the following is NOT a significant contributor to greenhouse gas emissions from livestock farming?

Renewable Energy Engineering Subjects

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Biochemical and Process Engineering

2 Topics
Bioreactor Transport Phenomena: Oxygen Mass Transfer (kLa), Impeller Agitation, Air Sparging & Bioprocess Scale-Up Enzyme Kinetics & Bioprocess Dynamics: Michaelis-Menten Kinetics, Monod Growth Model & Microbial Cultivation

Biochemical Conversion Technology

4 Topics
Organic Waste Characterization: Biological Oxygen Demand (BOD), Chemical Oxygen Demand (COD) & Kjeldahl Nitrogen Rural & Community Biogas Plants: KVIC Floating Drum, Janata Fixed Dome, Deenbandhu Model & Burner Efficiency High-Rate Biomethanation Reactors: UASB Reactors, Fluidized Bed, Anaerobic Filters & Fixed Film Digestors Anaerobic Digestion Fundamentals: Biogas Generation Phases (Hydrolysis, Acidogenesis, Methanogenesis) & C:N Ratio

General Agriculture

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

Liquid Biofuels

3 Topics
Biodiesel Properties & Engine Performance: ASTM D6751 / IS 15607 Standards, Blends (B20, B40) & Viscosity Effects Lignocellulosic Bioethanol Production: Delignification Pretreatment, Enzymatic Hydrolysis, Fermentation & Distillation Biodiesel Production Chemistry: Triglyceride Transesterification, Alcohol-Catalyst Ratios & Glycerol Separation

Power Generation and Energy Storage

2 Topics
Ocean & Marine Renewable Energy: Ocean Thermal Energy Conversion (OTEC Carnot Limit) & Tidal Basin Power Geothermal Energy Systems: High & Low Enthalpy Geothermal Resources, Direct Space Heating & Puga Valley Potential

Solar Energy Engineering

7 Topics
Flat-Plate Solar Collectors: Liquid & Air Absorber Plates, Selective Coatings, Heat Removal Factor & Efficiency Solar Ponds & Advanced Thermal Storage: Salt-Gradient Non-Convective Solar Ponds & Sensible/Latent Heat Storage Solar Thermal Applications: Box & Parabolic Solar Cookers, Solar Water Heating, Solar Distillation Stills & Dryers Solar PV System Design & Water Pumping: Standalone & Grid-Tied PV, Inverters, Charge Controllers & PV Water Pumps Solar Radiation Geometry & Measurement: Solar Constant, Beam & Diffuse Radiation, Pyranometers & Pyrheliometers Photovoltaic Cell Physics & Module Engineering: Semiconductor P-N Junction, Photovoltaic Effect, I-V Curve & Arrays Concentrating Solar Collectors: Parabolic Trough Collectors (PTC), Scheffler Concentrators & Central Tower CSP

Thermochemical Conversion Technology

4 Topics
Biomass Fuel Characterization: Ultimate/Proximate Analysis, Dulong's Heating Value Formula & Stoichiometric Air Biomass Gasification & Producer Gas: Gasification Chemical Zones, Updraft/Downdraft Gasifiers & Tar Elimination Biomass Pyrolysis & Biorefinery: Slow/Fast Pyrolysis, Biochar Carbon Sequestration, Bio-Oil & Syn-Gas Biomass Combustion & Incineration: Excess Air Dynamics, Grate Furnaces, Fluidized Bed Combustion & Co-Firing

Wind Energy Engineering

4 Topics
Wind Power Physics & Betz Limit: Wind Kinetic Power (P proportional to V^3), Betz Coefficient (Cp max = 59.3%) Aerodynamics of Wind Turbines: Aerofoil Lift and Drag Forces, Rotor Blade Geometry & Tip Speed Ratio Atmospheric Wind Characteristics: Wind Shear, Atmospheric Boundary Layer, Power Law (Hellmann Exponent) & Anemometry Wind Energy Conversion Systems: Horizontal Axis (HAWT) vs Vertical Axis (VAWT) Wind Turbines & Grid Integration
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