ME-603 (A) RGPV B.Tech
Turbomachinery
Previous year papers and the official syllabus are free to read, no account needed.
Previous Year Papers
6 papers, latest Jun 2026
- ME-603 (A) paper, Jun 2026
- ME-603 (A) paper, Jun 2025
- ME-603 (A) paper, Dec 2024
- ME-603 (A) paper, May 2024
- ME-603 (A) paper, May 2023
- ME-603 (A) paper, May 2022
Syllabus, notes and important questions for ME-603 (A)
Syllabus units
Topics as the official RGPV syllabus lists them.
Unit 1 Energy transfer in turbo machines 8 topics
- Application of first law of thermodynamics to turbo machines
- Application of second law of thermodynamics to turbo machines
- Moment of momentum equation and Euler turbine equation
- Principles of impulse machines
- Principles of reaction machines
- Degree of reaction
- Energy equation for relative velocities
- One‑dimensional analysis of turbo machines
Unit 2 Steam turbines 13 topics
- Impulse staging and velocity/pressure compounding
- Utilization factor and analysis for optimum U.F. (Curtis and Rateau stages)
- Effect of blade and nozzle losses on vane efficiency
- Stage efficiency and optimum efficiency analysis
- Mass flow considerations and blade height design
- Reaction staging: Parsons stages and degree of reaction
- Nozzle efficiency, velocity coefficient, stator efficiency, carry‑over efficiency
- Conditions for optimum efficiency, speed ratio, axial thrust
- Reheat factor in turbines
- Radial equilibrium problem
- Free and forced vortex flow types
- Flow with constant reaction
- Governing and performance characteristics of steam turbines
Unit 3 Water turbines and centrifugal pumps 12 topics
- Classification of water turbines (Pelton, Francis, Kaplan)
- Vector diagrams and work‑done analysis for water turbines
- Draft tubes and governing of water turbines
- Classification of centrifugal pumps and advantages over reciprocating pumps
- Definitions of manometric head, gross head, and static head
- Vector diagram and work‑done for centrifugal pumps
- Dimensional analysis and similarity for water turbines and pumps
- Unit and specific quantities for pump and turbine performance
- Selection criteria for machines
- Hydraulic, volumetric, mechanical and overall efficiencies
- Main and operating characteristics of pumps and turbines
- Cavitation phenomena in pumps
Unit 4 Rotary fans, blowers and compressors 4 topics
- Classification based on pressure rise (centrifugal and axial flow machines)
- Centrifugal blowers: vane shape, velocity triangle, degree of reaction, slip coefficient, size and speed, vane stresses, efficiency, characteristics, fan laws
- Centrifugal compressors: vector diagrams, work done, temperature and pressure ratios, slip factor, work input factor, pressure coefficient, dimensions of inlet eye, impeller and diffuser
- Axial flow compressors: vector diagrams, work‑done factor, temperature and pressure ratios, degree of reaction, dimensional analysis, characteristics, surge phenomenon, polytropic and isentropic efficiencies
Unit 5 Power transmitting turbo machines 7 topics
- Application and general theory of power‑transmitting turbo machines
- Torque ratio, speed ratio, slip and efficiency
- Velocity diagrams for power transmission
- Fluid coupling and torque converter characteristics
- Positive displacement machines versus turbo machines and their distinction
- Positive displacement pumps with fixed and variable displacement
- Hydrostatic systems: hydraulic intensifier, accumulator, press, crane
Exam insights
Counted from 6 past ME-603 (A) papers.
Marks asked per paper, by unit
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Unit 1 Energy transfer in turbo machines 20 marks
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Unit 2 Steam turbines 33 marks
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Unit 3 Water turbines 21 marks
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Unit 4 Rotary Fans, Blowers and Compressors 15 marks
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Unit 5 Power transmitting turbo machines 14 marks
Average marks of the questions from each unit in one paper. You answer only some of them, so the total is more than the paper’s maximum.
Asked again and again
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Derive the moment of momentum equation and Euler's turbine energy equation for turbomachines and give the expression for power / energy transfer, including for reaction and steam turbines.
Asked 6 times: 2026, 2025, 2024, 2023, 2022
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Explain the term degree of reaction in turbomachinery / steam turbines, including 50% reaction turbine
Asked 6 times: 2026, 2025, 2024, 2023, 2022, 2020
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Explain velocity compounding and pressure compounding in steam turbines.
Asked 5 times: 2026, 2025, 2024, 2023, 2020