Delhi Cantonment Board Assistant Engineer (Mechanical) Syllabus 2026 - Complete Section A Aptitude & Section B Engineering Topics | Official Notification

Delhi Cantonment Board – Assistant Engineer (Mechanical): Indicative Syllabus 2026

Reproduced from the official Delhi Cantonment Board indicative syllabus for the post of Assistant Engineer (Mechanical). Section A covers general aptitude; Section B lists the engineering subjects and topic headings exactly as published by the Board.

Section A – General Aptitude

(MECHANICAL) SECTION-A General Intelligence and Reasoning: The questions shall be designed to test the candidate's ability to deal with abstract ideas and symbols and their relationships, arithmetical computations, and other analytical functions. The syllabus may include both verbal and non-verbal reasoning, such as analogies, similarities and differences, space visualization, problem-solving, analysis, judgment, decision-making, visual memory, discrimination, observation, relationship concepts, arithmetical reasoning, verbal and figure classification, coding-decoding, statement conclusion, syllogistic reasoning, etc.

General Awareness: Questions shall be aimed at testing the candidate's general awareness of the environment and its application to society. The test may include questions relating to History, Culture, Geography, Economic, Science, General Polity, Indian Constitution, Scientific Research, Environmental Issues, Sports, Important Days, Awards and Honours, and Current Affairs of National and International importance.

Arithmetical and Numerical Ability: Questions shall be designed to test the candidate's knowledge of number systems, computation of whole numbers, decimals and fractions, relationships between numbers, percentages, ratio and proportion, averages, interest, profit and loss, discount, time and distance, time and work, basic algebra, mensuration, data interpretation, and other arithmetical concepts involving real-life problem-solving.

English Comprehension: The test shall assess the candidate's ability to understand and use correct English. The syllabus may include vocabulary, grammar, sentence structure, synonyms and antonyms, spellings, error detection, sentence improvement, comprehension passages, and basic writing ability.

Section B – Technical / Professional Syllabus

1: Turbomachines

• Classification - Basic laws and equations.
• Hydraulic turbines; Pelton, Francis, and Kaplan turbines - Turbine efficiencies - Cavitation in turbines.
• Centrifugal pumps; theory, components, and characteristics - Cavitation - Axial flow pumps.
• Centrifugal and axial flow compressors; slip, surging and choking.

2: Strength of Materials

• Axial and shear stresses and strains
• Shear force and bending moment diagrams for beams subjected to different types of loads – Theory
• of simple bending and assumptions.
• Springs
• Torsion of solid and hollow circular shafts – Power transmission, strength and stiffness of shafts.
• Testing of Materials & Strength

3: Engineering Thermodynamics

• Review of basic concepts of thermodynamics
• Vapour power cycles - Rankine cycle - Otto, Diesel, dual, Stirling and Brayton cycles.

4: Thermal Engineering

• Reciprocating air compressors - types - construction - Compressor efficiencies and mean effective
• pressure.
• Working of two and four stroke engines for SI and CI engines

5: Material Science & Engineering Metallurgy

• Atomic Arrangement and Phase Diagrams - Structure of metals and alloys, Critical temperature - Plain
• carbon steel and other steels.
• Heat Treatment of steel.
• Structure of Composites, Plastics, Adhesives
• Corrosion & its Prevention
• Testing of Materials - tensile testing procedure, stress strain curve Hardness testing, Fatigue testing:
• Creep testing.

6: Mechanics of Machines

• Mechanisms - classification of mechanisms, Kinematic inversions, slider crank mechanism
• Gears Trains - Law of gearing - profile for gears
• Static and dynamic force analysis of mechanisms, Balancing of rotating/reciprocating masses,
• Governors
• Vibrations - free and forced vibrations, degree of freedom; Vibration control - Passive and active
• control

7: Design of Mechanical Drives

• Introduction to transmission elements - Positive and friction based drives.
• Design of material handling & conveying systems - flat and V-belts, rope and chain drives.
• Design of various types of gears - Force analysis
• Design of Shafts, couplings, screws, fasteners

8: Fluid Mechanics

• Basic concepts - Fluid properties - Basic hydrostatic equation - Submerged and floating bodies.
• Hydrostatic equations for incompressible and compressible fluids
• Buoyancy and equilibrium of floating bodies
• Fluid dynamics - Laminar and turbulent flows - Flow through pipes, Boundary layer concept - Lift &
• Drag

9: Industrial Economics

• Demand and Supply – Forecasting techniques – Cost and Revenues.
• Trade cycle – Inflation – Index numbers – Capital budgeting – Cash flow analysis – Balance sheet.
• Exchange Rate determination – Marketing research – Branding.

10: Renewable Energy

• Solar energy - Solar radiation - Heat transfer equations - Solar thermal energy conversion - Efficiencies
• - Solar photo voltaic energy.
• Wind energy - Data and energy estimation, Conversion - Wind mill - Performance, applications
• Hydrogen & Fuel cell concepts
• Bio energy - Conversion - bio degradation - Biogas generation - Fuel properties - Biomass gasifier.

Engineering subjects in this syllabus

Official Source

• Official syllabus notification (mirrored): dcb-syllabus-ae-mechanical-2026.pdf
• Delhi Cantonment Board official website: https://dcb.delhigovt.nic.in/

Content derived from the official Board notification linked above.