ISRO Scientist/Engineer Civil Mock Test Series 2026

Indian Space Research Organisation — Civil

📖 ISRO Scientist/Engineer Civil Guide — Pattern, Syllabus, Cut Off & Salary

Tests Available

Total Questions

Free Tests

📋 ISRO Scientist/Engineer Civil — Official Syllabus

As per official notification (isro.gov.in).

⚠️

Based on GATE CE syllabus. Focus on Structural Engineering, Geotechnical and Construction Management since ISRO needs civil engineers for their campus infrastructure and launch pad construction.

🧠 General Aptitude (GA)

1 subject

General Aptitude

As per GATE GA pattern — verbal ability and numerical ability

📐 Section 1 — Engineering Mathematics

6 subjects

Linear Algebra

13 marks for the whole section

Matrix algebra; systems of linear equations; eigenvalues and eigenvectors

Calculus

Functions of a single variable; limit, continuity and differentiability; mean value theorems, local maxima and minima; Taylor series; evaluation of definite and indefinite integrals, application of the definite integral to obtain area and volume; partial derivatives; total derivative; gradient, divergence and curl, vector identities; directional derivatives; line, surface and volume integrals

Ordinary Differential Equations (ODE)

First order (linear and non-linear) equations; higher order linear equations with constant coefficients; Euler-Cauchy equations; initial and boundary value problems

Partial Differential Equations (PDE)

Fourier series; separation of variables; solutions of the one-dimensional diffusion equation; first and second order one-dimensional wave equation and two-dimensional Laplace equation

Probability & Statistics

Basic concepts of probability — axioms and theorems, statistical independence; conditional probability; descriptive statistics — mean, median, mode and standard deviation; random variables — probability mass function, probability density function, cumulative distribution function; Poisson and Normal distribution; linear regression

Numerical Methods

Error analysis; numerical solutions of linear and nonlinear algebraic equations; Newton's and Lagrange polynomials; numerical differentiation; integration by trapezoidal and Simpson's rule; single and multi-step methods for first order differential equations

🏗️ Section 2 — Structural Engineering

5 subjects

Engineering Mechanics

System of forces, free-body diagrams, equilibrium equations; internal forces in structures; friction and its applications; centre of mass

Solid Mechanics

Bending moment and shear force in statically determinate beams; transformation of stress (Mohr's circle); simple stress and strain relationships; simple bending theory, flexural and shear stresses, shear centre; uniform torsion; combined stresses; column buckling

Structural Analysis

Principle of superposition; work and energy methods — principle of virtual work, Castigliano's second theorem; deflections of statically determinate beams, frames and trusses; analysis of statically indeterminate structures by force and displacement methods (method of consistent deformations, slope-deflection method, moment distribution method); influence lines and moving loads; stiffness matrix method; analysis of determinate arches and cables

Concrete Structures

Working stress and limit state design concepts; design and detailing of beams, slabs, columns and isolated footings; bond and development length

Steel Structures

Working stress and limit state design concepts; design of tension and compression members, beams and beam-columns, column bases; connections — simple and eccentric, beam-column connections; concept of plastic analysis — beams and portal frames

🌍 Section 3 — Geotechnical Engineering

2 subjects

Soil Mechanics

Three-phase system and phase relationships, index properties; Unified and Indian standard soil classification systems; permeability — one-dimensional flow, seepage through soils — two-dimensional flow, flow nets, uplift pressure, piping, capillarity, seepage force; principle of effective stress and quicksand condition; compaction of soils; one-dimensional consolidation, time rate of consolidation; shear strength, Mohr's circle, effective and total shear strength parameters; stress-strain characteristics of clays and sand; stress paths

Foundation Engineering

Sub-surface investigations — drilling boreholes, sampling, plate load test, standard penetration and cone penetration tests; earth pressure theories — Rankine and Coulomb; stability of slopes — finite and infinite slopes, Bishop's method; sheet piles; stress distribution in soils — Boussinesq's theory, pressure bulbs; shallow foundations — Terzaghi's and Meyerhof's bearing capacity theories, effect of water table; combined footing and raft foundation; contact pressure; settlement analysis in sands and clays; deep foundations — static formulae, axial load capacity of piles in sands and clays, pile load test, pile under lateral loading, pile group efficiency, negative skin friction; ground improvement techniques

💧 Section 4 — Water Resources Engineering

4 subjects

Fluid Mechanics

Properties of fluids, fluid statics; continuity, momentum and energy equations and their applications; potential flow, laminar and turbulent flow; flow in pipes, pipe networks; concept of boundary layer and its growth; concept of lift and drag

Hydraulics

Forces on immersed bodies; flow measurement in channels and pipes; dimensional analysis and hydraulic similitude; channel hydraulics — energy-depth relationships, specific energy, critical flow, hydraulic jump, uniform flow, gradually varied flow and water surface profiles; prismatic and mobile channels, steady and unsteady flows, rapidly varied flow and hydraulic jump; flow past sharp crested weirs

Hydrology

Hydrologic cycle, precipitation, evaporation, evapo-transpiration, watershed, infiltration; streamflow measurements, unit hydrographs, hydrograph analysis, reservoir capacity, flood estimation and routing, surface runoff models, ground water hydrology — steady state well hydraulics and aquifers; application of Darcy's law

Irrigation

Types of irrigation systems and methods; crop water requirements — duty, delta, evapo-transpiration; gravity dams and spillways; lined and unlined canals, design of weirs on permeable foundation; cross drainage structures; river training structures; earthen dams; seepage through dams; well irrigation

🌿 Section 5 — Environmental Engineering

3 subjects

Water and Waste Water Quality and Treatment

Basics of water quality standards — physical, chemical and biological parameters; water quality index; unit processes and operations; water requirement; water distribution system; drinking water treatment; sewerage system design, quantity of domestic wastewater, primary, secondary and tertiary treatment; effluent discharge standards; sludge treatment and disposal; reuse of treated sewage for different applications

Air Pollution

Types of pollutants, their sources and impacts, air pollution control, air quality standards, air quality index and limits

Municipal Solid Wastes

Characteristics, generation, collection and transportation of solid wastes; engineered systems for solid waste management (reuse/recycle, energy recovery, treatment and disposal); basics of landfill design and operation

🛣️ Section 6 — Transportation Engineering

4 subjects

Transportation Infrastructure

Geometric design of roadways using IRC codes — cross-sectional elements, sight distances, classifications of roadways, design vehicle, horizontal and vertical alignments; geometric design of railway track — speed and cant; concept of airport runway length, calculations and corrections; taxiway and exit taxiway design

Highway Pavements

Highway materials — desirable properties and tests; desirable properties of bituminous paving mixes; design factors for flexible and rigid pavements; design of flexible and rigid pavement using IRC codes

Traffic Engineering

Traffic studies on flow and speed, peak hour factor, accident study, statistical analysis of traffic data; microscopic and macroscopic parameters of traffic flow, fundamental relationships; traffic signs; signal design by Webster's method; types of intersections and interchanges; highway capacity and level of service

Transportation Planning

Four step travel demand modelling — trip generation, trip distribution, mode choice, traffic assignment and its applications

🗺️ Section 7 — Geomatics Engineering

2 subjects

Surveying and Geomatics

Principles of surveying; plane and geodetic surveying, GNSS surveying, errors and their adjustment; maps — scale, coordinate system; distance and angle measurement — levelling and trigonometric levelling; traversing and triangulation survey; total station; principles of topographic, cadastral and engineering surveys; introduction to cartography, map projections

Photogrammetry

Introduction to photogrammetry, digital photogrammetry, photographic scale, flying height; space resection, parallax equations, elevations by parallax differences, camera calibration

🧱 Section 8 — Construction Materials and Management

2 subjects

Construction Materials

Steel — composition, material properties and behaviour; cement — composition, hydration and microstructure, chemical and mineral admixtures; concrete — constituents, mix design, short-term and long-term properties

Construction Management

Types of construction projects; estimation and costing — quantity estimation using long wall and short wall method, centre line method, analysis of rates; project planning and scheduling — AOA and AON network analysis, PERT and CPM; project updating and monitoring; construction equipment — equipment for earthwork, concreting, hoisting and transportation of materials; types of contracts

Source: isro.gov.in

📚 Chapter-wise Study Notes Available

Detailed notes for every subject — based on the official ISRO Scientist/Engineer Civil syllabus.

View Study Notes →

← Back to All Exams