BT-203 RGPV B.Tech

Basic Mechanical Engineering (BME)

Previous year papers and the official syllabus are free to read, no account needed.

Previous Year Papers

8 papers, latest Dec 2025

Free

Topics as the official RGPV syllabus lists them.

Unit 1 Unit I: Materials 7

Classification of engineering material
Composition of cast iron and carbon steels and the iron‑carbon diagram
Alloy steels and their applications
Mechanical properties: strength, hardness, toughness, ductility, brittleness, malleability
Tensile test – stress‑strain diagram of ductile and brittle materials
Hooke’s law and modulus of elasticity
Hardness and impact testing of materials (BHN, etc.)

Unit 1 notes

Unit 2 Unit II: Measurement 4

Concept of measurements and measurement errors
Temperature, pressure, velocity, flow and strain measurement
Force and torque measurement
Vernier caliper, micrometer, dial gauge, slip gauge, sine‑bar and combination set

Unit 2 notes

Unit 3 Unit III: Production Engineering 2

Elementary theoretical aspects of production processes such as casting, carpentry and welding
Introduction to lathe and drilling machines and their various operations

Unit 3 notes

Unit 4 Unit IV: Fluids 4

Fluid properties – pressure, density and viscosity; classification of fluids
Newton’s law of viscosity and Pascal’s law
Bernoulli’s equation for incompressible fluids
Working principle of hydraulic machines, pumps, turbines and reciprocating pumps

Unit 4 notes

Unit 5 Unit V: Thermodynamics and Reciprocating Machines 5

Thermodynamic system, properties, state and process; Zeroth, First and Second laws of thermodynamics
Thermodynamic processes at constant pressure, volume, enthalpy and entropy
Steam engineering – classification and working of boilers, mountings, efficiency, performance analysis, natural and artificial draught, steam properties and steam tables
Reciprocating machines – working principle of steam engine, Carnot, Otto, Diesel and Dual cycles with P‑V and T‑S diagrams and efficiencies
Two‑stroke and four‑stroke petrol and diesel engines, compressor operation

Unit 5 notes

Counted from 6 past BT-203 papers.

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.

Explain the classification of engineering materials, including what alloys are and their applications.

Asked 3 times: 2025, 2024, 2022
Define important mechanical properties of engineering materials (e.g., strength, ductility, toughness, brittleness, tensile strength) with examples.

Asked 3 times: 2025, 2023, 2022
Explain the tensile test procedure / experimental setup and the stress-strain diagram for ductile materials (including comparison with brittle materials) with neat sketch

Asked 3 times: 2025, 2023, 2022