RGPV B.Tech Exam Preparation
Previous Year Question Papers Portal
Access 4 years of 1st & 2nd semester university exam papers. Track your solving progress, study key formulas, and get tailored roadmaps for your branch.
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BT-102
Core Math
Engineering Mathematics-I
Foundational calculus, expansion of functions, partial differentiation, multiple integrals, and vector calculus.
Available Question Papers
Preparation Guidelines
- Practice Curve Tracing rules thoroughly. One 7-mark question is almost guaranteed.
- Remember the formula for Leibnitz's Theorem for finding the nth derivative.
- Beta and Gamma function relations are extremely useful for solving complex integrals quickly.
- For Vector Calculus, practice Gauss Divergence Theorem and Green's Theorem proofs.
Key Concepts & Formulas
- Leibnitz Theorem: (uv)_n = u_n v + n C_1 u_{n-1} v_1 + n C_2 u_{n-2} v_2 + ... + u v_n
- Euler's Theorem for Homogeneous Functions: x(∂z/∂x) + y(∂z/∂y) = nz
- Relation between Beta and Gamma: B(m, n) = [Γ(m) * Γ(n)] / Γ(m + n)
- Radius of Curvature (Cartesian): ρ = [1 + (y_1)^2]^(3/2) / y_2
BT-105
Computer Science
Basic Computer Engineering
Introduction to computers, algorithms, C++ programming basics, OOPs concepts, DBMS, networking, and cyber security.
Available Question Papers
Preparation Guidelines
- For C++ questions, always write code snippets. Full marks are awarded for working code structures.
- Memorize the OSI model layers and their functions. A 7-mark question is extremely common.
- Understand standard SQL queries (SELECT, UPDATE, DELETE, JOINs). They are highly scoring.
- Know the difference between compiler and interpreter, and different operating systems functions.
Key Concepts & Formulas
- OSI Model Layers (Top to Bottom): Application -> Presentation -> Session -> Transport -> Network -> Data Link -> Physical
- OOP Pillars: Encapsulation, Abstraction, Inheritance, Polymorphism
- DBMS Integrity Rules: Entity Integrity (Primary Key != Null), Referential Integrity (Foreign Key)
BT-101
Basic Science
Engineering Chemistry
Water analysis and treatment, polymer science, lubricants, coal analysis, spectroscopy, and phase rule.
Available Question Papers
Preparation Guidelines
- EDTA method calculation for water hardness is highly important. Learn the formula.
- Differentiate between thermoplastic and thermosetting polymers. Standard question.
- Calorific value of coal using Bomb Calorimeter (with diagram) is a frequent examiner choice.
- Understand the application of UV-Visible and IR spectroscopy in identifying functional groups.
Key Concepts & Formulas
- Hardness in terms of CaCO3 equivalent = [Mass of hardness producing salt * 100] / [2 * Chemical equivalent of salt]
- Calorific Value (HCV) = [(W + w)(t2 - t1) - corrections] / Mass of fuel
- Gibbs Phase Rule: F = C - P + 2
BT-201
Basic Science
Engineering Physics
Wave optics (interference, diffraction, polarization), lasers, fiber optics, quantum mechanics, and superconductors.
Available Question Papers
Preparation Guidelines
- Practice Newton's Rings experiment setup and formula derivation. Highly frequent.
- Understand the difference between Step-index and Graded-index optical fibers.
- Learn the derivation of Schrodinger Time-Independent wave equation. Must study.
- Memorize Einstein's A & B coefficients derivation for Lasers.
Key Concepts & Formulas
- Newton's Rings Diameter (Bright): D_n^2 = 2(2n - 1)λR
- Numerical Aperture (NA) = sin θ_max = √(n_1^2 - n_2^2)
- Schrodinger Equation (Time Independent): ∇^2ψ + (8π^2m/h^2)(E - V)ψ = 0
- de-Broglie wavelength: λ = h / p = h / √(2mE)
BT-202
Core Math
Engineering Mathematics-II
First and second-order ordinary differential equations, series solutions, Laplace transforms, and Fourier series.
Available Question Papers
Preparation Guidelines
- For Second Order Linear Differential Equations, master finding Complementary Function (CF) and Particular Integral (PI).
- Laplace transform of standard functions and Inverse Laplace using Partial Fractions is a sure question.
- Remember the Dirichlet's conditions for expanding a function in a Fourier Series.
- Practice solving differential equations using power series (Frobenius Method). One 7-mark question is guaranteed.
Key Concepts & Formulas
- Complementary Function (Real & Equal Roots m1=m2): CF = (C1 + C2*x)e^(m1*x)
- Laplace Transform of t^n: L{t^n} = n! / s^(n+1) (for integer n)
- First Shifting Theorem: L{e^(at) f(t)} = F(s - a)
- Fourier Series expansion: f(x) = a0/2 + Σ[an cos(nx) + bn sin(nx)]
BT-203
Mechanical Science
Basic Mechanical Engineering
Engineering materials, vernier caliper measurements, properties of steam, steam boilers, IC engines, and thermodynamics.
Available Question Papers
Preparation Guidelines
- Differentiate clearly between 2-Stroke and 4-Stroke IC engines. Always draw indicator diagrams.
- Understand the working, construction, and mounting vs accessory lists for Babcock & Wilcox and Cochran boilers.
- Learn standard definitions of dryness fraction, latent heat, and superheated steam.
- Derive the air standard efficiency of the Otto Cycle.
Key Concepts & Formulas
- Otto Cycle Efficiency: η = 1 - (1 / r^(γ-1)) where r is compression ratio
- Dryness Fraction: x = mass of dry steam / (mass of dry steam + water mass)
- Enthalpy of Wet Steam: h = h_f + x * h_fg
- Characteristic Gas Equation: PV = mRT
BT-204
Civil Science
Basic Civil Engg. & Mechanics
Civil materials, surveying principles, concrete technology, applied mechanics force systems, and centroid calculations.
Available Question Papers
Preparation Guidelines
- Verify Lami's Theorem using force resolution. Always draw free-body diagrams (FBDs).
- For Surveying, master numericals on calculating local attraction and correcting compass bearings.
- Understand the difference between chain surveying and compass surveying.
- Practice centroid derivations for standard shapes like triangles and semicircles.
Key Concepts & Formulas
- Lami's Theorem: P / sin α = Q / sin β = R / sin γ
- Reduced Bearing to Whole Circle Bearing relationships
- Moment of Inertia (Rectangle): I_xx = b*h^3 / 12, I_yy = h*b^3 / 12
- Parallel Axis Theorem: I_p = I_g + A * d^2
BT-205
Graphics Science
Engineering Graphics
Drawing instruments, plain and diagonal scales, conics, projections of points, lines, planes, and solids, and isometric views.
Available Question Papers
Preparation Guidelines
- A diagonal scale numerical is mandatory. Practice constructing scale calculations first.
- Memorize the projection layouts of a line inclined to both HP and VP (Master Line Problem).
- Understand the difference between First Angle and Third Angle projections.
- Be prepared to draw isometric projections of simple solid shapes like cylinders and prisms.
Key Concepts & Formulas
- Representative Fraction (R.F.) = Length of drawing / Actual length of object
- Length of Scale (L.O.S.) = R.F. * Maximum distance to be measured
- Apparent Angle in Line Projection relationships
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