DDA JE Electrical Syllabus

DELHI DEVELOPMENT AUTHORITY ( DDA - Junior Engineering ) Syllabus for Electrical Engineering

DDA JE Electrical Syllabus

DELHI DEVELOPMENT AUTHORITY ( DDA - Junior Engineering ) Syllabus for Electrical Engineering

Section 1: Technical Knowledge

DDA JE Syllabus 2022: Here in this section Electrical Engineering technical domain knowledge will be covered in detail. Follow the below tables for DDA Junior Engineer Syllabus for Electrical Engineering Domain.


DDA JE Recruitment : Electrical Engineering Syllabus


Topic Wise DDA Syllabus Details

Junior Engineer (Electrical)

Basic Electrical Engg.: Elect. Measurements, Concepts of current, voltage, resistance, power and energy, their units, Ohm’s law. Circuit Law: Kirchooff’s law, solution of simple network problems, Network theorems and their applications, Electro-magnetism, concept of flux, e m f, reluctance, magnetic circuits. Electro-magnetic induction, self and mutual inductance. A.C. fundamentals, instantaneous, peak, R.M.S. and average values of alternating waves, Equation of sinusoidal wave form, simple series and parallel AC. circuits consisting of R.L. and C, Resonance. Measurement and measuring instruments, Moving coil and moving iron ammeters and voltmeters, Extension of range, Wattmeters, Multimeters, megger, Basic Electronics.

Electrical machines: Basic principles ofD.C. motors, generators, their characteristics, Speed control and starting of D.C. motors, losses and efficiency of D.C. machines.1-Phase and 3-phase transformers: Principles of operation, equivalent circuit, voltage regulation, O.C. and S.C. tests, efficiency, auto transformers. Synchronous machines, generation of 3-phase e m f, armature reaction, Voltage regulation, parallel operation of two alternators, synchronizing, starting and applications of synchronous motors. 3-Phase Induction motor, rotating magnetic field, principle of operation, equivalent circuit, torque-speed characteristics, starting and speed control of 3-phase induction motors, Fractional KW motors, 1-phase induction motors, http://www.allexamreview.com/wp-admin/post-new.php A.C. series motor, reluctance motor.

General, Transmission and Distribution: Different types of power stations, Load factor, diversity factor, demand factor, simple problems thereon, cost of generation, inter- connection of power stations. Power factor improvement, various types of tariffs, types of faults, short circuit current for symmetrical faults. Switchgears- rating of circuit breakers: Principles of a extinction by oil and air, H.R.C. fuses, Protection, earth leakage, over current, Buchhotgz relay, Merz- Prince system of protection of generators & transformers, protection of feeders and bus bars. Lightning arresters, Various transmission and distribution systems, Comparison of conductor materials, efficiency for different systems. Utilization of Electrical Energy, Illumination, electric heating, Electric welding, electroplating, electric drives and motors.

Section 2 : Non-Technical

DDA JE Syllabus : The Non-Tech Part will be also play a important role in the selection of DDA Recruitment Exams as Junior Engineers. See below table for Non Tech Syllabus.


DDA Recruitment : Non Tech Section Syllabus



General Awareness

General Awareness: Questions in this component will be aimed at testing the candidates general awareness of the environment around him and its application to society. Questions will also be designed to test knowledge of current events and of such matters of every day observations and experience in their scientific aspect as may be expected of any educated

person. The test will also include questions relating to India and its neighbouring countries especially pertaining History, Culture, Geography, Economic Scene, General Policy & Scientific Research.


General Intelligence & Reasoning: It would include questions of both verbal and non-verbal type. This component may include questions on analogies, similarities and differences, space visualization, spatial orientation, problem solving, analysis, judgment, decision making, Visual memory, discrimination, observation, relationship concepts, arithmetical reasoning and figural classification, arithmetic number series, non- verbal series, coding and decoding, statement conclusion, syllogistic reasoning etc. The topics are, Semantic Analogy, Symbolic/Number Analogy, Figural Analogy, Semantic Classification, Symbolic/Number Classification, Figural Classification, Semantic Series, Number Series, Figural Series, Problem Solving, Word Building, Coding & de-coding, 19 Numerical Operations, symbolic Operations, Trends, Space Orientation, Space Visualization, Venn Diagrams, Drawing inferences, Punched hole/pattern–folding & unfolding, Figural Pattern– folding and completion, Indexing, Address matching, Date & city matching, Classification of centre codes/roll numbers, Small & Capital letters/numbers coding, decoding and classification.

Quantitative Aptitude

Quantitative Aptitude: The questions will be designed to test the ability of appropriate use of numbers and number sense of the candidate. The scope of the test will be computation of whole numbers, decimals , fractions and relationships between numbers, Percentage. Ratio & Proportion, Square roots, Averages, Interest, Profit and Loss, Discount, Partnership Business, Mixture and Allegation, Time and distance, Time & Work, Basic algebraic identities of School Algebra, Triangle and its various kinds of centers, Congruence and similarity of triangles, Circle and its chords, tangents, angles subtended by chords of a circle, common tangents to two or more circles, Triangle, Quadrilaterals, Regular Polygons , Circle, Sphere, Hemispheres, Rectangular Parallelepiped, Regular Right Pyramid with triangular or square base, Trigonometric ratio, Standard Identities, Complementary angles, Heights and Distances, Histogram, Frequency polygon, Bar diagram & Pie chart.

English Language

English Language & Comprehension: Questions in this components will be designed to test the candidate’s understanding and knowledge of English Language and will be based on spot the error, fill in the blanks, synonyms, antonyms, spelling/detecting misspelt words, idioms & phrases, one word substitution, improvement of sentences, active/passive voice of verbs, conversion into direct/indirect narration, shuffling of sentence parts, shuffling of sentences in a passage, cloze passage & comprehension passage.