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All GTU Previous Year Questions ยท Student Sathidar

Module 1

๐Ÿ“– Fundamentals

Theory Define: Prime Mover, System, Boundary, Surroundings. W-19W-20S-24W-24

Theory Define: State, Path, Process, Cycle. W-20W-23

Theory State: Zeroth Law & First Law of Thermodynamics (Mathematical Form). W-21W-20W-24S-25

Theory Define: Specific Heat (Cp, Cv), Enthalpy, Internal Energy. W-22S-22S-25

Theory Thermodynamic Systems: Explain Open, Closed, and Isolated systems with neat sketches. Give examples. W-21S-20W-18W-24S-24S-25

Theory Energy Sources: Differentiate between Renewable and Non-Renewable energy sources. List examples. W-22S-24S-25W-24

Theory Global Warming & Ozone Depletion: Explain, list primary causes and impacts. W-21S-23W-20W-24S-25

Theory Gas Constant Relation: With usual notations, prove that Cp - Cv = R. W-21S-22S-25

Theory First Law: Write the mathematical statement of the First Law for a stationary closed system and explain the terms (Heat vs Work). S-25W-23

Module 2

๐Ÿ”ฅ Properties of Gases & Steam

Theory Define: Boyle's Law, Charles's Law, Gay-Lussac's Law, Avogadro's Law. W-20W-24

Theory Define: Dryness Fraction, Wet Steam, Superheated Steam, Critical Point. W-21W-22S-24W-24S-25

Theory Define: Sensible Heat, Latent Heat, Degree of Superheat, Enthalpy of Evaporation. S-22S-24W-24

Theory Steam Formation: Describe steam formation from water at 0ยฐC to superheated steam using a T-h diagram. W-21W-18W-24

Theory Processes: Explain Isothermal, Adiabatic, and Polytropic processes. Derive expressions for Work Done & Internal Energy. W-21S-22W-20S-24W-24S-25

Theory Calorimeters: Explain construction and working of Throttling Calorimeter. W-22S-25W-24

Num Gas Laws: Gas initially at specific P, V, T undergoes compression/expansion. Find Final Temp, Work Done, Change in Enthalpy/Internal Energy. S-23S-24W-24W-23S-25

Num Steam Properties: Calculate enthalpy, volume, entropy, and internal energy for wet/superheated steam given pressure and dryness fraction. S-23W-19W-24S-25

Num Calorimeter: Determine dryness fraction using Separating & Throttling calorimeter data.

Module 3

โšก Heat Engines & IC Engines

Theory Define: Heat Engine, Thermal Efficiency, Mechanical Efficiency. S-23S-25

Theory Define: Swept Volume, Clearance Volume, Compression Ratio (TDC/BDC). W-20S-24

Theory Define: Indicated Power, Brake Power, Specific Fuel Consumption. S-23S-24

Theory Otto Cycle: Derive Air Standard Efficiency of Otto Cycle. S-20W-22W-19W-23S-24W-24S-25

Theory Diesel Cycle: Derive Air Standard Efficiency of Diesel Cycle. S-25W-24S-24

Theory Rankine Cycle: Derive thermal efficiency and draw T-s diagram. W-18W-23W-24

Theory Carnot Cycle: State assumptions and limitations. W-24

Theory Comparisons: Two-Stroke vs Four-Stroke Engines • Petrol (SI) vs Diesel (CI) Engines. W-21W-24S-25

Theory Components: Function of Spark Plug, Injector, Piston Rings, Carburetor. W-23S-24S-25

Num Cycle Efficiency: Calculate efficiency for Otto/Diesel/Carnot cycles given temperatures or compression ratios. W-22S-24S-25

Num IC Engine Performance: Calculate BP, IP, Brake Thermal Efficiency, Fuel Consumption from trial data (Morse test/Rope brake). W-21W-22S-23W-23S-24W-24S-25

Module 4

๐Ÿซ– Boilers

Theory Classification: Fire Tube vs Water Tube boilers. W-22S-23W-19S-24S-25

Theory Cochran Boiler: Explain construction and working with neat sketch. W-22W-19W-24S-25

Theory Babcock & Wilcox Boiler: Explain construction and working with neat sketch. W-21S-22W-24S-25

Theory Lancashire Boiler: Explain construction and working. S-24

Theory Mountings & Accessories: Differentiate between Mountings and Accessories. W-24W-23

Theory Explain: Water Level Indicator, Fusible Plug, Safety Valve, Pressure Gauge. S-20W-24

Theory Explain: Economizer, Air Preheater, Superheater. S-20W-23S-24

Theory Requirements: List essential qualities of a good boiler. W-24S-25

Module 5

โš™๏ธ Compressors & Pumps

Theory Compressors: Differentiate Reciprocating vs Rotary Compressors. S-20S-25

Theory Explain: Centrifugal Compressor / Roots Blower. S-24

Theory Need for Multistaging in air compressors. W-18W-24

Theory Definitions: FAD, Swept Volume, Volumetric Efficiency. W-24

Theory Pumps: Centrifugal vs Reciprocating Pump. W-20W-23W-24

Theory Working of Centrifugal Pump. S-20W-24S-25

Theory Single Acting Reciprocating Pump working. S-25

Theory Priming: What is Priming? Why is it required in Centrifugal pumps? W-21W-22S-25W-24

Module 6

โ„๏ธ Refrigeration & Air Conditioning

Theory VCR Cycle: Explain Vapour Compression Refrigeration with schematic and charts. W-21W-22S-23S-25W-24

Theory VAR System: Explain Vapour Absorption Refrigeration system. W-23S-24S-25

Theory Air Conditioning: Working of Split AC • Window Room AC • Classification of AC systems. S-23W-20S-25W-24W-23

Theory Definitions: Refrigeration Effect, COP, Ton of Refrigeration (TR). W-24S-25

Module 7

๐Ÿ”— Couplings, Clutches & Brakes

Theory Difference: Clutch vs Brake vs Coupling. W-23S-24S-25

Theory Couplings: Rigid vs Flexible • Flange, Universal, Oldham's coupling. S-25S-24W-23

Theory Clutches: Single Plate Clutch • Centrifugal Clutch. S-25W-24

Theory Brakes: Internal Expanding Shoe Brake. W-22W-23W-24

Module 8

โš™๏ธ Transmission of Motion & Power

Theory Comparison: Compare Belt, Chain, and Gear Drive. W-21S-20W-23S-24W-24S-25

Theory Pulleys: Fast and Loose Pulley working. W-22W-23

Theory Gears: Applications of Helical, Worm, Rack & Pinion. W-24W-23

Module 9

๐Ÿงฑ Engineering Materials

Theory Definitions: Elasticity, Plasticity, Ductility, Hardness, Toughness, Brittleness, Fatigue. W-21W-22W-23S-24S-25

Theory Classification: Ferrous vs Non-Ferrous vs Non-Metallic Materials. W-21W-22W-24

Theory Specific Materials: Properties of Cast Iron • Non-metallic materials. W-23W-24

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