BPSC AE Syllabus 2026 & Exam Pattern: Subject-Wise Guide for Civil, ME, and Electrical
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The Bihar Public Service Commission (BPSC) conducts the Bihar Assistant Engineer (AE) Competitive Examination for Civil, Mechanical, and Electrical engineering streams. To secure success in 2026, aspirants must master the official BPSC AE syllabus and exam pattern. Understanding the core topics, question distribution, total marks, and marking criteria is the first step toward effective preparation.
BPSC AE Syllabus and Exam Pattern 2026
The BPSC Assistant Engineer (AE) 2026 exam consists of 6 papers, including General Studies, English, Hindi, General Engineering, stream-specific papers (Civil, Mechanical, Electrical), and Engineering Aptitude. Candidates should review this detailed syllabus to craft a strategic study plan and gain a competitive edge. This guide covers the complete subject-wise breakdown for your convenience.
The selection process for the Assistant Engineer position is conducted in two primary stages: a written examination followed by a personal interview. Only candidates who successfully qualify in the written exam will be shortlisted for the final interview round.
Stage 1 - Written Examination
Stage 2 - Interview
BPSC Assistant Engineer Exam Pattern 2026
The BPSC AE exam structure comprises 6 papers: General Studies, General English, General Hindi, General Engineering, Stream-Specific Engineering (Civil/Mechanical/Electrical), and Engineering Aptitude. Each paper is designed to evaluate technical proficiency and general knowledge, with each carrying 100 marks for 100 objective questions.
BPSC Assistant Engineer Exam consists of Objective-type multiple-choice questions
The total time duration is 1 hour per paper
In the BPSC Assistant Engineer Exam, each paper consists of 100 marks.
The General English and General Hindi are qualifying in nature.
In the BPSC Assistant Engineer Exam, General Candiadtes have to get 40% combined marks to qualify, and SC/ST Candiadtes have to get 32% combined marks to qualify.
Papers
Marks
Duration
General English
100
1 hour
General Hindi
100
1 hour
General Studies
100
1 hour
General Engineering Science
100
1 hour
Optional Paper I
100
1 hour
Optional Paper II
100
1 hour
Total
600
6 hours
BPSC AE Syllabus 2026
The BPSC AE syllabus serves as the blueprint for assessing your technical expertise, analytical problem-solving skills, and general aptitude. To perform well, candidates should integrate the syllabus into a disciplined study routine, consistent mock test practice, and periodic revision.
BPSC AE Syllabus 2026
S. No.
Papers
Subjects/Topics
1
General Studies
Polity
Economy
Physics
Chemistry
Botany
Zoology
History, Art, Culture of Bihar
Sports
Days and Events
Current Affairs
Static GK
Awards & Honors
Currencies & Capitals
Geography
Indian History
Books and Authors
Awards
Important Personalities
2
General English
Error Detection
Active and Passive Voice
Sentence Rearrangement
Fill in the Blanks
Sentence Improvement
Direct and Indirect Speech
Jumbled Sentence
Reading Comprehension
Cloze Test
One Word Substitution
3
General Hindi
वर्ण संरचना (स्वर और व्यंजन)
शब्द रचना – उपसर्ग, प्रत्यय, संधि और समास
शब्द भेद – रचना, अर्थ, इतिहास, व्याकरण
वाक्य शोधन
लोकोक्ति एवं मुहावरें
सर्वनाम
क्रिया विशेषण
वर्तनी शोधन/विश्लेषण
रिक्त स्थानों में उपयुक्त शब्दों का प्रयोग
वाक्य रचना
शब्द शुद्धिकरण
संज्ञा
विशेषण
4
General Engineering Science
Engineering Mechanics :
General Equilibrium
Equation Experiments
Motion-Equation Functions
Power & Energy
Survey and Measurement:
Distance and Area Measurement
Direction Measurement and Angular Measurement of Slope
Levitation and Height
General Survey Equipment
Electrical Workshop Measurements like Ammeter, Volt Meter, Charge meter, Insulation Tester, Energy Meter and their working principle
Mechanical Workshop Measuring instruments, linear and angular measurements, straight, plane and roundness measurements
Structure of Solids:
Generalized pressure and its relation
Making laws
Transformation of pressure
Pressure energy
Analysis of beams, columns and shafts
Unbalanced orientations at the center
Principles of decay
Engineering Materials and Their Manufacture:
Bricks lime, Cement
Shrapnel, Da'wa iron and steel
Non-ferrous metals
Timber paints and miscellaneous engineering materials
Testing of engineering materials
Considerations for construction of brick floors and walls
Transport Phenomenon:
Linear and Regular Conduction of Transport
Boundary Level Continuous Equations
Warnowati's Principle
Energy Equations
Steam of Transport Conduction
Dimensional Analysis and Gadding
One Dimensional Study
Natural Movement of Heat through Single and Multilayered Materials including Walls and Cylinders and induced convective heat transfer
Concept of thermal boundary level
Accutane -Bultmann's theory of radiation
Kirchhoff's law
Concept of black and gray matter
Energy Conversion Process of Thermodynamics:
First and second impulses and reactions of thermodynamics
Water turbine-Belton peel and centrifugal pump
Elementary Engineering:
Electric Circuits
Circuit Laws and Principles of Superposition
Meaning of Sound Series and Parallel Connections
Resistance and Capacitance
Junction Transistor
Junction Diode
Equivalent Circuit
Common Emitter Electric Circuit
Magnetic Effect of Electric Current
Transformer
Circuit Elements In the form of Transformer
Transfer of electromagnetic energy
Function of DC Motor and Generator
Function of AC Motor and Generator
Environmental Engineering:
Water pollution and purification
Sewage treatment
Air pollution and its control
Ecological balance
BPSC AE Syllabus for Civil Engineering
Below is the comprehensive BPSC Assistant Engineer syllabus breakdown for Civil Engineering candidates.
BPSC Assistant Engineer Syllabus 2026 for Civil Engineering
S. No.
Papers
Topics
1
Civil Engineering Paper 5
Structural Analysis
Determination and stability of structures
Internal and external forces
Special positional reinforcement and inelastic beam structures
Frames and arches
Structure theory
Method of reinforcement and flexibility
Matrix method
Determination of elastic stability of pillars
Analysis of impact lines for non-conforming structures
Robust analysis of dams and silos
Structural Design
RCC beams, sills, pillars, shear and diagonal tension
Concrete techniques: Climbing and marginal load design
Study of vertical and seismic forces in building structure design
Steel structure tension, compression, and flexural components
Roof scissor plate girder
Bracket connection
Pre-reinforced concrete structures and essentials
Soil Mechanics and Foundations:
Earthquake force and its determination
Formation and classification of rocks
Nature and texture of soil
Properties and behavior of soil
Compaction of soil
Shear strength of soil
Stability of slopes
Soil stress
Bearing capacity of soil
Earth pressure and retention
Shallow foundations including diaphragm walls, piles, and footings
Deep foundations including caissons, piles, and well foundations
Machine foundations
Soil diffusion
2
Civil Engineering Paper 6
Hydrology and Water Resources:
General runoff estimation
Use of hydrograph
Empirical formulas in hydrology
Potential hydrological analysis
Management of surface water and groundwater
Principles of irrigation engineering
Water requirement for crops
Description of irrigation works
Flooding, damage, and control
Behavior of river drainage
Surface and underground drainage
Channel design
Principles of hydropower engineering
Water System Flow:
Principle of energy and momentum in homogeneous fluid flow
Sequential traversal changed flow
Components of river flow
Sediment transport
Design of Hydraulic Structures:
Design of weirs
Design of barrages
Design of canals and canal structures
Cross drainage works
Cross regulators
Head regulators
Canal falls and canal drops
Design of turbines
Hydroelectric power equipment
Transportation Engineering:
Geometrical design of highways
Components of traffic engineering
High side materials
Maintenance of highways
Components of Bridge Engineering:
IRC classification
Loads and behavior in bridge structure design
Public Health Engineering
Water supply
Population forecasting
Types of pipes used for water supply
Construction of tube wells and dug wells
Design of slow sand filters and rapid gravity filters
Design of underground and overhead tanks
Water supply dam construction
Drainage and sanitation
Surface drainage systems
Storm water drainage
Design of double-cleaning filters
Design of septic tanks
Design of Imhoff tanks
Wastewater treatment plants
BPSC Assistant Engineer Syllabus for Mechanical Engineering
The BPSC Assistant Engineer (AE) Mechanical Engineering syllabus for papers 5 and 6 focuses on core subjects like Thermodynamics, Internal Combustion Engines, Steam Boilers, Principles of Mechanics, Machine Design, and more.
BPSC AE Mechanical Engineering Syllabus for Paper 5 and Paper 6
S. No.
Papers
Topics
1
Mechanical Engineering for Paper 5
Thermodynamics
Laws of thermodynamics
Properties of ideal gases and vapors
Power cycles
Gas power cycles
Gas turbine cycles
Fuel and combustion
Internal Combustion Engines
CI (Compression Ignition) engines
SI (Spark Ignition) engines
Engine detection
Fuel injection and carburetion
Performance and testing
Turbojet and turboprop engines
Rocket engines
Preliminary studies of nuclear power plants and nuclear fuels
Steam Boiler
Steam nozzle and steam turbine
Modern boilers
Types of steam turbines
Efficiency and control of steam flow through nozzles
Impulse and reaction turbine
Compressors and Gas Dynamics
Gas dynamics
Reciprocating compressors
Centrifugal compressors
Axial flow compressors
Heat Transfer, Refrigeration, and Air Conditioning
Conduction, convection, and radiation
Heat exchangers
Types of combined heat transfer and total heat transfer coefficient
Refrigeration cycles
Vapor compression refrigeration
Absorption refrigeration
Psychrometric charts
Properties and Classification of Fluids
Fluid statics
Physics and principles of fluid motion
Air pressure, steam, and buoyancy
Ideal fluid flow
Level and buoyant flow
Boundary layer theory
Flow over submerged objects
Flow through pipes and open channels
Dimensional analysis and analogy techniques
Classification of Axial Specific Velocities and General Fluid Mechanics:
Energy and momentum relationships
Pumps and turbines
Water turbines
Hydroelectric power generation
2
Mechanical Engineering for Paper 6
Principles of Mechanics
Velocity and acceleration
Mechanical deceleration of moving objects
Inertia force in machines
Cam, gear, and gear train
Flywheel and governor
Balancing of reciprocating bodies
Free and forced vibrations of systems
Critical speed and gyroscopic effects
Machine Design
Joints: threaded fasteners, power screws, keys, cotters, pins, splines, and keys
Transmission systems: belt drives, chain drives, wire ropes
Metal machining: turning, milling, drilling, grinding
Cutting tools: materials, types, and machinability
Metal forming: forging, rolling, extrusion, drawing
Metal casting: processes and applications
Welding and joining techniques
Special purpose machine tools and CNC machines
Industrial Engineering
Work study and work measurement
Wage incentive plans
Production methods and costs
Plant layout: principles and factors
Production planning and control
Materials management
Operations research: linear programming, PERT/CPM
Value engineering
Ergonomics and human factors
Use of computers in industrial engineering
BPSC AE Syllabus for Electrical Engineering
The Electrical Engineering syllabus for BPSC AE covers Paper 5 (Electrical Circuits, E.M. Theory, Materials Science, and Electrical Measurements) and Paper 6 (Power Systems, Electromechanics, Control Systems, and Electronics & Communication).
BPSC AE Electrical Syllabus for Paper 5 and Paper 6
S. No.
Papers
Topics
1
Electrical Engineering Syllabus for Paper 5
Electrical Circuits
Network theory
Network response
Impulse and step inputs in ramp and stop
Frequency effects in network analysis
Bipartite network components and connections
Single graph representation of networks
E.M. Theory
Electromagnetic theory
Static electricity and magnetostatics
Field in dielectric and magnetic materials
Time-varying fields
Maxwell's equations
Propagation of plane waves in dielectric mediums
Transmission line properties
Matter Science (Electric Materials)
Band theory
Static and alternating fields of dielectrics
Conductivity of piezoelectric materials
Magnetic properties of superconducting materials
Paramagnetic and ferromagnetism
Conduction in semiconductors
Hall effect
Principles of Electrical Measurement
Measurement of circuit parameters
Measuring instruments
Bridge and potentiometer methods
Transducers and measurement of non-electrical quantities
Digital measurement methods
Algorithms for flow, weighting, and storage
Type declarations and systematic unions
Mathematical and logical expressions
Program structure
Scientific and engineering applications
2
Electrical Engineering Syllabus for Paper 6
Power Tools and Methods Electro mechanics
Theory of transformation of electro-mechanical energy
Analysis of DC synchronous and induction machines
Flux and torque in power machines
Machines in control systems
Transformers: magnetic circuits and design
Selection of motors for power systems
Electricity generation: water turbines and hydroelectric power transmission
Logic circuits: combinational and sequential logical circuits
Communication signal analysis
Signal transmission
Modulation techniques
Types of communication systems
Functions of communication
BPSC AE Syllabus 2026 PDF
Aligning your study plan with the BPSC AE syllabus ensures efficient time management and focused preparation based on topic weightage. Download the official BPSC AE Syllabus 2026 PDF using the link below.