Given below are two statements: Statement (I): Internal energy... | Agrigyan

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Q.1

ICAR AIEEA PG 2024 - Agricultural Engineering and Technology (Q.16)

Statement Based +4 −1

Given below are two statements

Statement (I) : Internal energy and enthalpy are functions of temperature alone.

Statement (II) : Specific heat can vary strongly with temperature and pressure of a substance.

In light of the above statements, choose the most appropriate answer from the options given below:

नीचे दो कथन दिए गए हैं

कथन (I) : आंतरिक ऊर्जा (Internal energy) और एन्थैल्पी (enthalpy) केवल तापमान के फलन हैं।

कथन (II) : किसी पदार्थ की विशिष्ट ऊष्मा (Specific heat) तापमान और दबाव के साथ अत्यधिक परिवर्तित हो सकती है।

उपरोक्त कथनों के आलोक में, नीचे दिए गए विकल्पों में से सबसे उपयुक्त उत्तर चुनें:

Both Statement (I) and Statement (II) are correct दोनों कथन (I) और (II) सही हैं Both Statement (I) and Statement (II) are incorrect दोनों कथन (I) और (II) गलत हैं Statement (I) is correct but Statement (II) is incorrect कथन (I) सही है लेकिन कथन (II) गलत है Statement (I) is incorrect but Statement (II) is correct कथन (I) गलत है लेकिन कथन (II) सही है

Q.2

ICAR AIEEA PG 2024 - Agricultural Engineering and Technology (Q.17)

MCQ (Single Correct) +4 −1

The efficiency of a Carnot heat engine operating between two reservoirs at temperatures \(T_H\) (Hot source) and \(T_C\) (Cold sink) is given by:

तापमान \(T_H\) (गर्म स्रोत) और \(T_C\) (ठंडे सिंक) के दो जलाशयों के बीच कार्य करने वाले कार्नो हीट इंजन की दक्षता (efficiency) किसके द्वारा दी जाती है?

\(\frac{T_C}{T_H}\) \(\frac{T_C}{T_H}\) \(\frac{T_H}{T_C}\) \(\frac{T_H}{T_C}\) \(1 - \frac{T_C}{T_H}\) \(1 - \frac{T_C}{T_H}\) \(1 - \frac{T_H}{T_C}\) \(1 - \frac{T_H}{T_C}\)

Engineering Mathematics & Statistics

6 Topics

Descriptive Statistics, Measures of Central Tendency, Dispersion and Correlation Probability Theory, Theoretical Probability Distributions, Sampling and Hypothesis Testing Differential and Integral Calculus, Ordinary Differential Equations (ODEs) and Partial Differential Equations (PDEs) Linear Algebra, Matrices, Determinants, Eigenvalues and Linear Systems Vector Calculus, Coordinate Systems, Gradient, Divergence and Curl Numerical Analysis, Root Finding, Numerical Integration and Finite Differences

Electrical Engineering, Instrumentation & Computers

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Electric Motors, Single-Phase and Three-Phase Induction Motors and Motor Starters Electric Power Generation, Transmission, Distribution, Wiring and Protective Fuses Direct Current (DC) and Alternating Current (AC) Circuits, Network Theorems and Power Factor Electronic Instrumentation, Sensors, Transducers, Signal Conditioning and Data Acquisition Computer Fundamentals, Operating Systems, Machine Languages and High-Level Programming

Thermodynamics, Fluid Mechanics & Theory of Machines

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Theory of Machines: Kinematics, Mechanisms, Gear Trains, Belts, Cams and Governors Psychrometrics, Psychrometric Charts, Air Conditioning and Refrigeration Cycles Fluid Dynamics, Continuity Equation, Bernoulli Equation, Pipe Flow, Boundary Layer and Viscosity Heat Transfer: Conduction, Convection, Radiation, Heat Exchangers and Insulation Thermodynamics Fundamentals, Thermodynamic Laws, Processes and Gas Power Cycles Active Fluid Statics, Hydrostatic Pressure, Manometers, Buoyancy and Flotation

Soil Mechanics, Engineering Mechanics & Strength of Materials

6 Topics

Soil Mechanics: Phase Relations, Soil Index Properties, Particle Size and Consistency Limits Engineering Mechanics: Statics, Force Systems, Equilibrium, Friction, Trusses and Centroids Shear Strength of Soil, Mohr-Coulomb Theory, Earth Pressure and Retaining Walls Soil Compaction, Permeability, Seepage and Consolidation Bending Moments, Shear Forces, Deflection of Beams and Torsion of Shafts Strength of Materials: Stress, Strain, Elastic Moduli and Hookes Law

Farm Machinery, Farm Power & Renewable Energy Engineering

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Harvesting and Threshing Machinery: Reapers, Mowers, Combine Harvesters and Threshers Internal Combustion (IC) Engines: 2-Stroke, 4-Stroke, Engine Components, Cycles and Performance Primary Tillage Implements: Mouldboard Plough, Disc Plough, Subsoiler and Chisel Plough Renewable Energy: Solar Energy, Biomass, Biogas Plants, Gasifiers, Biofuels and Wind Energy Tractor Mechanics: Traction Mechanics, Stability, Center of Gravity, PTO, Hitching and Ergonomics Tractor Systems: Fuel, Cooling, Lubrication, Electrical, Transmission and Hydraulics Secondary Tillage, Sowing and Planting Equipment: Harrows, Cultivators, Seed Drills and Planters Plant Protection Equipment: Sprayers, Dusters, Nozzles, Calibration and Droplet Dynamics

Processing and Food Engineering

6 Topics

Milling and Processing of Agricultural Produce: Rice, Wheat, Pulses, Oilseeds and Thermal Food Processing Physical, Thermal, Aerodynamic and Mechanical Properties of Agricultural and Food Materials Cleaning, Grading, Sorting, Separation and Material Handling Equipment Grain Storage Structures, Bag and Bulk Storage, Silo Design (Janssen and Airy Theories) Drying and Dehydration of Grains: Thin Layer, Deep Bed, Drying Models and Grain Dryers Size Reduction, Crushing, Grinding Laws, Mixing and Mechanical Separation

Soil and Water Conservation & Irrigation and Drainage Engineering

7 Topics

Hydrology: Precipitation, Runoff Estimation, Hydrographs, Flood Routing and Groundwater Irrigation Engineering: Soil-Water-Plant Relationships, Crop Water Requirement and Evapotranspiration Surface and Pressurized Irrigation Systems: Border, Furrow, Basin, Sprinkler and Drip Irrigation Surveying and Levelling: Chain, Compass, Levelling, Contouring, Plane Table and Theodolite Soil Erosion Mechanics, Water Erosion, Wind Erosion and Universal Soil Loss Equation (USLE) Agricultural Drainage: Surface and Subsurface Drainage Systems, Hooghoudts Equation and Soil Salinity Control Soil and Water Conservation Structures: Bunds, Terraces, Gully Control, Drop and Chute Spillways

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