DRDO RAC Exam Pattern: Be familiar with the course material and key points

The Defence Food Research Laboratory (DFRL) of the Defence Research and Development Organisation (DRDO) is accepting applications for Graduate Apprentice and Diploma Apprentice positions. Candidates who are interested and qualified can apply for the positions via the RAC's official website, rac.gov.in. The walk-in interview is required for all interested applicants. Candidates with the relevant qualifications can fill out the online application form before the advertisement's closing date (March 3, 2022). For the purpose of filling the positions of Scientist B/Engineer and others, DRDO Recruitment and Assessment Center will administer a written test. The examination will be of a descriptive type. Paper 1 and Paper 2 are the two exams. We shall go into great detail about the DRDO RAC Exam Pattern in this article. Candidates who are interested in this post must begin filling out the application forms that are available on the DRDO's official website.
General Knowledge Ebook Free PDF: Download Here

Free Demo Classes

Register here for Free Demo Classes

Select Course CUET Digital Marketing NDA Graphics Designing MS Excel (10 Hrs.) Interview Skill Course Entrepreneurship Programme Content Writing

Attempt Free Mock Tests- Click Here
Current Affairs Ebook Free PDF: Download Here
 

DRDO RAC Exam Pattern 2022

As you can see the nature of the paper is descriptive, so there is no negative marking, you will be getting 3 hours for each paper. Candidates will be attempting papers related to their field of study. The difficulty of the examination will be moderately tough. The total marks allotted to the examination are 600. In the below-mentioned table, we have listed down the complete details of it for your better understanding. 

Paper	Duration	Marks
Descriptive Type Paper 1	3 hours	300 Marks
Descriptive Type Paper 2	3 hours	300 Marks
Total	6 Hours	600 Marks

You may also read:

• DRDO Recruitment 2022: Apply for 11 junior Research Fellow
• DRDO Apprentice Eligibility 2022: Check age limit, educational qualifications and other details here

 

DRDO RAC Syllabus 2022

After going over the exam format, we'll discuss some of the crucial subjects that, depending on your area of specialisation, you should pay particular attention to. Under each specialised subject, we have mentioned the crucial subjects. Look at your area of specialisation and make a list of the key points you must understand to pass the test.

Important Topics For Mechanical Engineering:

For Descriptive Paper 1:

Below given is the list of topics and descriptive Syllabus of topics related to the Mechanical Engineering branch :

Topic	Descriptive Syllabus
Power Plant Engineering	Rankine & Brayton cycles with regeneration & reheat, Fuels & their properties, Flue gas analysis, Boilers, steam turbines, & other power plant components like condensers, air ejectors, electrostatic precipitators, & cooling towers, their theory & design, types, & applications.
Turbo Machinery	Reciprocating & Rotary pumps, Pelton wheel, Kaplan & Francis Turbines, velocity diagrams, Impulse & Reaction principles, Steam & Gas Turbines, Theory of Jet Propulsion, Pulse-jet & Ram Jet Engines, Reciprocating & Rotary Compressors, Theory & Applications
Renewable Sources of Energy	Solar radiation, solar thermal energy storage, flat plate and focusing collectors' construction and functionality. Solar Photovoltaic Conversion, Wind Energy, Biomass & Tidal Energy Harnessing, Methods & Applications, Fuel Cell Operating Principles, Solar Thermal Energy Storage, Applications, Heating, Cooling & Power Generation.
Fluid Mechanics	Basic Concepts & Properties of Fluids, Manometry, Fluid Statics, Buoyancy, Equations of Motion, Bernoulli’s equation & applications, Viscous flow of incompressible fluids, Laminar & Turbulent flows, Flow through pipes & head losses in pipes.
IC Engines, Refrigeration & Air conditioning	Basic Concepts & Properties of Fluids, Manometry, Fluid Statics, Buoyancy, Equations of Motion, Bernoulli’s equation & applications, Viscous flow of incompressible fluids, Laminar & Turbulent flows, Flow through pipes & head losses in pipes.
Thermodynamics & Heat transfer	Entropy, irreversibility, and availability; Thermodynamic Systems and Processes; Pure Substance Properties; The Zeroth, First, and Second Laws of Thermodynamics; Thermodynamic cycle study in relation to energy conversion Ideal and real gases, dual cycles, Rankine, Otto, and compressibility factors; gas blends. Heat transfer mechanisms, including constant and erratic heat conduction, resistance to heat, Free and forced convection fins Convective heat transfer correlations, Boiling and condensation, radiation heat transfer, radiation heat transfer co-efficient, and heat exchanger performance evaluation

For Descriptive Paper 2:

Below given is the list of topics and descriptive Syllabus of topics related to the Mechanical Engineering branch :

Topic	Descriptive Syllabus
Engineering Materials	Basic Crystallography, Alloys and Phase diagrams, Heat Treatment, Ferrous and Non-Ferrous Metals, Nonmetallic materials, Basics of Nano-materials, Mechanical Properties and Testing, Corrosion prevention and control
Manufacturing, Industrial & Maintenance Engineering	Metal casting-Metal forming, Metal Joining, Machining, and machine tool operations, Limits, fits and tolerances, Metrology and inspection, computer Integrated manufacturing, FMS, Production planning and Control, Inventory control, and operations research - CPM-PERT. Failure concepts and characteristics-Reliability, Failure analysis, Machine Vibration, Data acquisition, Fault Detection, Vibration Monitoring, Field Balancing of Rotors, Noise Monitoring, Wear and Debris Analysis, Signature Analysis, NDT Techniques in Condition Monitoring.
Engineering Mechanics	Analysis of System of Forces, Friction, Centroid and Centre of Gravity, Dynamics; Stresses and Strains-Compound Stresses and Strains, Bending Moment and Shear Force Diagrams, Theory of Bending Stresses- Slope and deflection-Torsion, Thin and thick, Cylinders, Spheres.
Mechanisms & Machines	Different Kinematics Pair, Mobility, Inversions, Kinematic Analysis, Planar Mechanism Velocity and Acceleration Analysis, CAMs with uniform acceleration and retardation, cycloidal motion, and oscillating followers; Transmissibility Ratio, Vibration Isolation, Critical Speed of Shafts, Free and Forced Vibration of Undamped and Damped SDOF Systems. Gears - Law of gearing, Involute profile, Interference, Helical, Spiral, and Worm Gears, Simple, complex, and epicyclic gear trains; balance of rotating and reciprocating weights, turning moment computations, and dynamic analysis of slider crank mechanisms Effect of a gyroscopic couple on vehicles, ships, aeroplanes, and governors

 

Important Topics for Computer Science & Engineering:

For Descriptive Paper 1:

Below given is the list of topics and descriptive Syllabus of topics related to the Computer science and Engineering branch :

Topic	Descriptive Syllabus
Discrete Mathematics	Propositional and first-order logic. Sets, relations, functions, partial orders and lattices, groups. Graphs: connectivity, matching, coloring. Combinatorics: counting, recurrence relations, generating functions
Programming & Data Structures Programming in C	Functions, structures, memory management, recursion, arrays, stacks, queues, linked lists, trees, binary search trees, binary heaps, graphs. Object-oriented programming basics.
Computer Organization & Architecture	Machine instructions and addressing modes. Assembly language. ALU, data path, and control unit. Instruction pipelining. Memory hierarchy: cache, main memory, and secondary storage. I/O interface (interrupt and DMA modes). RISC, CISC, parallel architectures
Algorithms	Searching, sorting, hashing. Asymptotic worst case, time and space complexity. Algorithm design techniques: greedy, dynamic programming, and divide‐and‐conquer. Graph search, minimum spanning trees, shortest paths.
Engineering Mathematics	Linear Algebra: Matrices, Determinants, a system of linear equations, eigenvalues and eigenvectors, LU decomposition, orthonormal bases, Transforms – Fourier, DCT, wavelets. Calculus: Limits, continuity, differentiability, maxima and minima, mean value theorem, integration. Vector calculus – gradient, divergence, curl, integral theorems.  Probability: Random variables, probability distributions – uniform, normal, exponential, Poisson, binomial. Mean, median, mode, standard deviation. Conditional probability and Bayes theorem. Information theory: Shannon entropy, information, conditional information
Linear Algebra
Calculus
Probability
Digital Logic	Boolean algebra. Combinational and sequential circuits. Minimization. Number representation and computer arithmetic (fixed and floating-point)

For Descriptive Paper 2

Below given is the list of topics and descriptive Syllabus of topics related to the Computer science and Engineering branch :

Topic	Descriptive Syllabus
Databases ER‐model	ER‐model. Relational model: relational algebra, tuple calculus, SQL. Integrity constraints. Normal forms. File organization, indexing (eg, B and B+ trees). Transactions and concurrency controls.
AI & Machine Learning	Classification and clustering techniques, dimensionality reduction: PCA, SVD. Correlation and regression analysis. Training and test data: overfitting, underfitting. Search. Ontology. Decision trees. Artificial Neural networks: activation function, multi‐layer perceptron, deep learning. Application of artificial neural networks
Security of Cyber-Systems	Cybersecurity principles, Kerberos, RADIUS, secure protocols (IPSec, SSH, SSL), basics of public key and private key cryptography, hash functions, blockchains, digital signatures, certificates. Firewalls, intrusion detection systems, basics of IoT security, and Cloud security. Threats, vulnerabilities, malicious software. Attacks: buffer overflow, DoS, DDoS, SQL injection, web application attacks
Compiler design	Lexical analysis, parsing, syntax‐directed translation. Runtime environments, intermediate code generation.
Theory of Computation	Regular expressions and finite automata. Context‐free grammars and push‐down automata. Regular and context‐free languages, pumping lemma. Turing machines and undecidability.
Operating System	Processes, threads, inter‐process communication, concurrency and synchronization, deadlocks. CPU scheduling. Memory management and virtual memory. File systems. Virtual machines and hypervisors. Secure operating systems.
Computer Networks	Concept of layering, OSI model. LAN technologies (Ethernet). Flow and error control techniques, switching. IPv4 / IPv6, routers, and routing algorithms (distance vector, link state). TCP/UDP and sockets, congestion control. Application layer protocols (DNS, SMTP, POP, FTP, HTTP). Basics of WiFi.

DRDO RAC Electrical and Communication Syllabus:

DRDO RAC Electrical and Communication Descriptive paper 1 Syllabus paper 1:

Below given is the list of topics and descriptive Syllabus of related to the Electrical & Communication branch :

Topic	Descriptive Syllabus
Basic Electronics Engineering	Basics of semiconductors; Diode/Transistor basics and characteristics; Diodes for different uses; Junction & Field Effect Transistors (BJTs, JFETs, MOSFETs); Transistor amplifiers of different types, oscillators, and other circuits; Basics of Integrated Circuits (ICs); Bipolar, MOS and CMOS ICs; Basics of linear ICs, operational amplifiers and their applications-linear/non-linear; Optical sources/detectors; Basics of Optoelectronics and its applications.
Materials Science	Electrical Engineering materials; Crystal structure & defects; Ceramic materials-structures, composites, processing and uses; Insulating laminates for electronics, structures, properties and uses; Magnetic materials, basics, classification, ferrites, Ferro/para-magnetic materials and components; Nano materials-basics, preparation, purification, sintering, nanoparticles and uses; Nano-optical/magnetic/electronic materials and uses; Superconductivity, uses.
Basic Electrical Engineering	DC circuits ohm’s & Kirchoff’s laws, mesh and nodal analysis, circuit theorems; Electromagnetism, Faraday’s & Lenz’s laws, induced EMF and its uses; Single-phase AC circuits; Transformers, efficiency; Basics-DC machines, induction machines, and synchronous machines; Electrical power sources- basics: hydroelectric, thermal, nuclear, wind, solar; Basics of batteries and their uses.
Network Theory	Network graphs & matrices; Wye-Delta transformation; Linear constant coefficient differential equations- time-domain analysis of RLC circuits; Solution of network equations using Laplace transforms- frequency domain analysis of RLC circuits; 2-port network parameters-driving point & transfer functions; State equations for networks; Steady state sinusoidal analysis.
Electronic Measurements & Instrumentation	Principles of measurement, accuracy, precision, and standards; Analog and Digital systems for measurement, measuring instruments for different applications; Static/dynamic characteristics of measurement systems, errors, statistical analysis, and curve fitting; Measurement systems for non-electrical quantities; Basics of telemetry; Different types of transducers and displays; Data acquisition system basics.
Analog & Digital Circuits	Small signal equivalent circuits of diodes, BJTS, and FETs; Diode circuits for different uses; Biasing & stability of BJT & JFET amplifier circuits; Analysis/design of amplifier- single/multi-stage; Feedback& uses; Active filters, timers, multipliers, waveshaping, A/D-D/A converters; Boolean Algebra& uses; Logic gates, Digital IC families, Combinatorial/sequential circuits; Basics of multiplexers, counters/registers/ memories /microprocessors, design& applications.

DRDO RAC Electrical and Communication Descriptive paper 1 Syllabus Descriptive Paper 2

Below given is the list of topics and descriptive Syllabus of topics related to the Electrical & Communication branch :

Topic	Descriptive Syllabus
Advanced Electronics Topics	VLSI technology: Processing, lithography, interconnects, packaging, testing; VLSI design: Principles, MUX/ROM/PLA-based design, Moore & Mealy circuit design; Pipeline concepts & functions; Design for testability, examples; DSP: Discrete-time signals/systems, uses; Digital filters: FIR/IIR types, design, speech/audio/radar signal processing uses; Microprocessors & microcontrollers, basics, interrupts, DMA, instruction sets, interfacing; Controllers & uses; Embedded systems.
Electro Magnetics	Elements of vector calculus, Maxwell’s equations-basic concepts; Gauss’, Stokes’ theorems; Wave propagation through different media; Transmission Lines-different types, basics, Smith’s chart, impedance matching/transformation, S-parameters, pulse excitation, uses; Waveguides-basics, rectangular types, modes, cut-off frequency, dispersion, dielectric types; Antennas-radiation pattern, monopoles/dipoles, gain, arrays-active/passive, theory, uses.
Advanced Communication Topics	Communication networks: Principles/ practices/ technologies/ uses/ OSI model/ security; Basic packet multiplexed streams/ scheduling; Cellular networks, types, analysis, protocols (TCP/TCPIP); Microwave & satellite communication: Terrestrial/ space type LOS systems, block schematics link calculations, system design; Communication satellites, orbits, characteristics, systems, uses; Fibreoptic communication systems, block schematics, link calculations, system design
Analog & Digital Communication Systems	Random signals, noise, probability theory, information theory; Analog versus digital communication & applications: Systems- AM, FM, transmitters/receivers, theory/practice/ standards, SNR comparison; Digital communication basics: Sampling, quantizing, coding, PCM, DPCM, multiplexing-audio/video; Digital modulation: ASK, FSK, PSK; Multiple access: TDMA, FDMA, CDMA; Optical communication: fiber optics, theory, practice/standards.
Computer Organization & Architecture	The basic architecture, CPU, I/O organization, memory organization, peripheral devices, trends; Hardware /software issues; Data representation& Programming; Operating systems-basics, processes, characteristics, applications; Memory management, virtual memory, file systems, protection & security; Databases, different types, characteristics, and design; Transactions and concurrency control; Elements of programming languages, typical examples.
Control Systems	Classification of signals and systems; Application of signal and system theory; System realization; Transforms& their applications; Signal flow graphs, Routh-Hurwitz criteria, root loci, Nyquist/Bode plots; Feedback systems-open &close loop types, stability analysis, steady-state, transient, and frequency response analysis; Design of control systems, compensators, elements of lead/lag compensation, PID and industrial controllers.

 
The examination is expected to be descriptive in nature