RAC DRDO RECRUITMENT 2020|| DRDO RAC MECHANICAL 2020

DRDO RAC SCIENTIST B MECHANICAL ENGG EXAMINATION, 2020

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RAC FULL FORM

DRDO FULL FORM

RAC DRDO Equivalent acceptable subjects of Essential Qualification Degree

• 1. Mechanical Engg
• 2. Mechanical & Automation Engg
• 3. Mechanical & Production Engg

DRDO RAC GATE Qualification:

Valid GATE score in Mechanical Engineering [Paper code : ME]

DRDO RAC PERCENT REQUIRED

Minimum 80% aggregate marks in EQ degree, if done from an IIT or NIT.

RAC DRDO VACANCY DISTRIBUTION

RAC DRDO AGE LIMIT

AGE LIMIT FOR CANDIDATES

HOW TO APPLY FOR RAC DRDO

• Candidates are required to register online at the RAC website (CLICK HERE).
• On successful registration, the candidates may login before the closing date of the advertisement to fill the application form online. The candidates are required to upload the requisite certificates (See Para 3 for details), the details of the application fee payment (if not exempted) and lock the application before submission of the same.
• Candidates in Govt. service or in Govt. owned organisations should submit their applications online directly to the Recruitment and Assessment Center (RAC). However, such candidates are immediately required to give due intimation to their employer regarding the details of the DRDO posts to which they have applied, requesting the employer to communicate to RAC directly (in case of any objection) within 30 days of the deadline for applying to the DRDO post(s). To this effect, a declaration (Please see Para 3(vi) for details) is to be uploaded by the candidate that he/she has intimated their employer that they have applied for a post in DRDO. Candidates should note that in case a communication is received from their employer by RAC withholding permission to the candidates applying for the posts, their candidature will be liable for cancellation.
• Candidates are advised to retain a copy of the online recruitment application (pdf format) after locking the online application form.

RAC DRDO ACADEMIC REQUIREMENT

RAC DRDO PAPER PATTERN

DISCRIPTIVE EXAM PART 1 DRDO RAC

iii)The Descriptive Examination is likely to be held in October2020.

DOCUMENTS TO BE SUBMITTED OR DOCUMENTS REQUIRED FOR DRDO RAC

• Self attested certificates/testimonials regarding Date of Birth (Matriculation /High School Certificate or Birth Certificate issued by appropriate local authority), Essential Qualification degree along with mark-sheets (both front and reverse side), Conversion Formula (CGPA/CPI to Percentage), Caste, EWS status, Ex-serviceman, Disability, Employment in Central Govt civilian posts, etc. The maximum file size of each attachment should not exceed 500KB and it must be legible when a print out is taken.
• A recent passport size colour photograph (size not exceeding 30 KB; resolution of 110 x 140 pixels).
• Scanned sample of candidate’s signature.
• Valid GATE score card (Applicable only for Category I candidates in Part-I disciplines, and for all candidates in Part-II disciplines).
• NET certificate and score card (Applicable only for candidates in Part-III discipline)
• The candidates, whether in Govt Service or in Govt owned organisations, should upload a signed declaration (as per the proforma available at RAC website) that they have informed their Cadre Controlling Authority (CCA) in writing that they have applied for the post of Scientist ‘B’ in DRDO.
• A provision will be made for the candidates who have appeared in final year examination, to upload their degree/provisional degree certificate online till 31 August 2020 (extendable, at the discretion of RAC, depending upon the situation prevailing at that time).
• A provision will be made for the candidates due to appear for the NET June 2020 examination, to upload their NET certificate/score card online till the 15^th day from the declaration of the NET June 2020 results.

RAC DRDO SCIENTIST B SYLLABUS MECHANICAL ENGG | DRDO RAC SYLLABUS 2020

PAPER – I

1.Fluid Mechanics:Basic Concepts and Properties of Fluids, Manometry, Fluid Statics, Buoyancy, Equations of Motion, Bernoulli’s equation and applications, Viscous flow of incompressible fluids, Laminar and Turbulent flows, Flow through pipes and head losses in pipes.

2. Thermodynamics and Heat transfer:Thermodynamic systems and processes; properties of pure substance; Zeroth, First and Second Laws of Thermodynamics; Entropy, Irreversibility and availability; analysis of thermodynamic cycles related to energy conversion: Rankine, Otto, Diesel and Dual Cycles; ideal and real gases; compressibility factor; Gas mixtures. Modes of heat transfer, Steady and unsteady heat conduction, Thermal resistance, Fins, Free and forced convection, Correlations for convective heat transfer, Radiative heat transfer – Radiation heat transfer co‐efficient; boiling and condensation, Heat exchanger performance analysis.

3. IC Engines, Refrigeration and Air conditioning:SI and CI Engines, Engine Systems and Components, Performance characteristics and testing of IC Engines; Fuels; Emissions and Emission Control. Vapour compression refrigeration, Refrigerants and Working cycles, Compressors, Condensers, Evaporators and Expansion devices, Other types of refrigeration systems like Vapour Absorption, Vapour jet, thermo electric and Vortex tube refrigeration. Psychometric properties and processes, Comfort chart, Comfort and industrial air conditioning, Load calculations and Heat pumps.

4. Turbo Machinery:Reciprocating and Rotary pumps, Pelton wheel, Kaplan and Francis Turbines, velocity diagrams, Impulse and Reaction principles,Steam and Gas Turbines, Theory of Jet Propulsion – Pulse jet and Ram Jet Engines, Reciprocating and Rotary Compressors – Theory and Applications

5. Power Plant Engineering:Rankine and Brayton cycles with regeneration and reheat, Fuels and their properties, Flue gas analysis, Boilers, steam turbines and other power plant components like condensers, air ejectors, electrostatic precipitators and cooling towers – their theory and design, types and applications;

6. Renewable Sources of Energy:Solar Radiation, Solar Thermal Energy collection ‐ Flat Plate and focusing collectors their materials and performance. Solar Thermal Energy Storage, Applications – heating, cooling and Power Generation; Solar Photovoltaic Conversion; Harnessing of Wind Energy, Bio‐mass and Tidal Energy – Methods and Applications, Working principles of Fuel Cells.

PAPER – II

7. 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.

8. Engineering Materials:Basic Crystallography, Alloys and Phase diagrams, Heat Treatment, Ferrous and Non Ferrous Metals, Non metallic materials, Basics of Nano‐materials, Mechanical Properties and Testing, Corrosion prevention and control

9. Mechanisms and Machines:Types of Kinematics Pair, Mobility, Inversions, Kinematic Analysis, Velocity and Acceleration Analysis of Planar Mechanisms, CAMs with uniform acceleration and retardation, cycloidal motion, oscillating followers; Vibrations –Free and forced vibrationof undamped and damped SDOF systems, Transmissibility Ratio, Vibration Isolation, Critical Speed of Shafts. Gears – Geometry of tooth profiles, Law of gearing, Involute profile, Interference, Helical, Spiral and Worm Gears, Gear Trains‐ Simple, compound and Epicyclic; Dynamic Analysis – Slider – crank mechanisms, turning moment computations, balancing of Revolving & Reciprocating masses, Gyroscopes –Effect of Gyroscopic couple on automobiles, ships and aircrafts, Governors.

10. Design of Machine Elements:Design for static and dynamic loading; failure theories; fatigue strength and the S‐N diagram; principles of the design of machine 24 elements such as riveted, welded and bolted joints. Shafts, Spur gears, rolling and sliding contact bearings, Brakes and clutches, flywheels.

11. Manufacturing ,Industrial and 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.

12.Mechatronics and Robotics: Microprocessors and Microcontrollers: Architecture, programming, I/O, Computer interfacing, Programmable logic controller. Sensors and actuators, Piezoelectric accelerometer, Hall effect sensor, Optical Encoder, Resolver, Inductosyn, Pneumatic and Hydraulic actuators, stepper motor, Control Systems‐ Mathematical modeling of Physical systems, control signals, controllability and observability. Robotics, Robot Classification, Robot Specification, notation; Direct and Inverse Kinematics; Homogeneous Coordinates and Arm Equation of four Axis SCARA Robot.

SELECTION PROCESS

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