Subject-wise distribution (approx.)
| Subject | Approx. Qs | Topics seen |
|---|---|---|
| Strength of Materials | ~15 | Stress-strain, shear stress, Young’s modulus, Poisson’s ratio, shear modulus, flexural formula, Hooke’s law, riveted joints |
| Structural Analysis / Theory of Structures | ~15 | BM/SF diagrams, beam deflection, fixed/simply supported beams, virtual work, stiffness method, indeterminacy (suspension bridge), rolling loads |
| Engineering Mechanics | ~10 | Force, momentum, impulse, kinetic energy, angular velocity/momentum, instantaneous centre of rotation, relative velocity, dimensional analysis |
| Fluid Mechanics & Hydraulics | ~15 | Reynolds number, Froude number, venturi meter, Bernoulli’s equation, hydraulic jump, specific energy, head loss, pitot tube, open channel flow |
| Geotechnical Engineering (Soil Mechanics) | ~15 | Void ratio, unit weight, permeability, consolidation, shear strength, Coulomb’s theory, Terzaghi’s theory, piles, thixotropy, sensitivity |
| Surveying | ~10 | Bearings, traverse correction, tacheometry, chain surveying, prismatic compass, geodetic surveying |
| Environmental/PHE Engineering | ~10 | Water treatment, pH, turbidity, trickling filters, sewage treatment, acid rain |
| Transportation Engineering | ~2 | Superelevation, engineer’s chain |
| RCC/Design | ~2 | Tension reinforcement limit, creep coefficient |
Key trends:
- Numerical-heavy paper – roughly 55–60% of questions require calculation
- Balanced weightage across the 4 core streams (Structural, Fluid, Geotech, Survey) — no single subject dominates
- PHE-specific topics (water/sewage treatment, water quality parameters) appear concentrated toward Q45–65, suggesting a distinct “specialization block” within the paper.
- Repeated concept-testing: Reynolds number, factor of safety, shear stress/strength, and Bernoulli-related concepts each appear 2–3 times in different forms — high-yield topics to prioritize in revision.
- Basic engineering mechanics/SOM fundamentals (stress, strain, dimensional formulas) recur heavily in the first 10 and last 10 questions — likely used as easy scoring anchors.
Suggestion: Focus preparation on Fluid Mechanics (flow classification, meter coefficients) and Geotechnical (index properties, consolidation, shear strength) as they carry the most numerical weight, alongside SOM/Structural basics which are consistently tested with quick formula-based problems.
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