ISRO Scientist/Engineer (Mechanical)-12 Days Mock Test Challenge for Ultimate Success
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The ISRO Exam 2023 is all ready to test your knowledge and skills on December 17, 2023. Are you ready to face it? Don’t forget, a good performance will guarantee you a place in ISRO, the renowned space agency of the nation. So, if you’re serious about being part of launching rockets, satellites, and more, you should leave no stone unturned. Keeping your ultimate goal in mind, today, we have crafted a 12 Days Mock Test Challenge to help you cover all the most important topics that can help you clear the upcoming exam equipped with effective Mock Test practice. So, as you only have a few days for all you can do to prepare the syllabus, you need to start following it today to avoid committing mistakes in the actual exam. So, start it right now, right here!

Below is the 12-day Mock Test Challenge – the speedy way to cover the ISRO exam syllabus quickly.

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ISRO Scientist/Engineer Exam Pattern 2023

The ISRO Scientist/Engineer exam has two stages: a written test of 95 objective questions (80 specific and 15 general) and an interview of 100 marks. You need 60% marks in the written test to qualify for the interview. The final selection is based on the combined marks of both stages. The exam checks your knowledge, skills, and aptitude in space science and engineering.

Phases PaperQuestionsTime 
IWritten Test Part A: Specific Discipline80Time Duration: 120 minutes (2 Hours)
IIWritten Test Part B: General Aptitude15

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ISRO Scientist/Engineer (Mechanical)-12 Days Mock Test Challenge for Ultimate Success

Here is a 12-day study Plan for ISRO Scientist/Engineer (Mechanical) 2023. You can adjust it according to your preferences and availability. The table shows the topics to cover each day and the number of hours to spend on them.

1Start by taking a FREE ISRO Scientist/Engineer (Mechanical) 
Mock Test

Go through PYQs.

Fluid Mechanics: Fluid properties; fluid statics, manometry, buoyancy, forces on submerged bodies, stability of floating bodies; control-volume analysis of mass, momentum and energy; fluid acceleration; differential equations of continuity and momentum.

Turbomachinery: Impulse and reaction principles, velocity diagrams, Pelton-wheel, Francis and Kaplan turbines.
2Thermodynamics: Thermodynamic systems and processes; properties of pure substances, behaviour of ideal and real gases; zeroth and first laws of thermodynamics, calculation of work and heat in various processes.
3Thermodynamics Applications:
Power Plant Engineering: Air and gas compressors; vapour and gas power cycles, concepts of regeneration and reheat, Boilers, Steam Nozzel, Steam Turbine, Steam Powerplant.

I.C. Engines: Air-standard Otto, Diesel and dual cycles, Engine Cooling and Lubrication, IC Engine Performance and Testing.

Refrigeration and air-conditioning: Vapour and gas refrigeration and heat pump cycles; properties of moist air, psychrometric chart, basic psychrometric processes.
4Take ISRO Scientist/Engineer (Mechanical) 
Mock Test 2 +
 Complete Analysis & Feedback

Vibrations: Free and forced vibration of single degree of freedom systems, effect of damping; vibration isolation; resonance; critical speeds of shafts.
5Design: Design for static and dynamic loading; failure theories; fatigue strength and the S-N diagram; principles of the design of machine elements such as bolted, riveted and welded joints; shafts, gears, rolling and sliding contact bearings, brakes and clutches, springs.
6Engineering Mechanics: Free-body diagrams and equilibrium; friction and its applications; trusses and frames; virtual work; kinematics and dynamics of rigid bodies in plane motion.
7Strength of Materials: Stress and strain, elastic constants, Poisson’s ratio; Mohr’s circle for plane stress and plane strain; thin cylinders; shear force and bending moment diagrams; bending and shear stresses; deflection of beams; torsion of circular shafts.
8Take ISRO Scientist/Engineer (Mechanical) 
Mock Test 3 +
 Complete Analysis & Feedback
9Theory of Machines: Displacement, velocity and acceleration analysis of plane mechanisms; dynamic analysis of linkages; cams; gears and gear trains; flywheels and governors; balancing of reciprocating and rotating masses.
10Engineering Materials: Structure and properties of engineering materials, phase diagrams, heat treatment, and stress-strain diagrams for engineering materials. Casting, Forming and Joining Processes: Different types of castings, design of patterns, moulds and cores; solidification and cooling; riser and gating design. Plastic deformation and yield criteria; fundamentals of hot and cold working processes.

Take ISRO Scientist/Engineer (Mechanical) 
Mock Test 3 +
 Complete Analysis & Feedback
11Machining Processes: Basic machine tools (lathe, drilling machine etc.), machining operations (turning, facing etc.), geometry of single point cutting tools (ASA system), cutting fluids/lubricants etc., tool life & wear mechanisms (Taylor’s equation), economics of machining (cutting speed/feed/depth etc.). Metrology & Inspection: Limits/fits/tolerances (IS codes), linear/angular measurements (vernier/micrometer etc.), comparators (mechanical/pneumatic/electrical etc.), surface finish measurement (profilometer etc.), screw thread measurement (pitch diameter/effective diameter etc.). Computer Integrated Manufacturing: Basic concepts of CAD/CAM/CIM/CAE/FMS/CNC/Robotics etc., additive manufacturing techniques (3D printing etc.).
12Go through the important topics from Industrial Engineering, Engineering Mathematics, General English, Reasoning Ability, and General Awareness.
Note: If you want to ace the test, pay attention to the topics covered in Days 1, 2, and 3 in the table above. They make up 70% of the questions asked in the exam.

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ISRO Scientist/Engineer (Mechanical) 2023: 12 Revision Tips for 12 Days to Revise Quickly

Revising the ISRO Scientist/Engineer (Mechanical) exam syllabus demands a strategic and focused approach, especially during the crucial revision phase. With only a few days left, it’s essential to make the most of your time to ensure a thorough and effective review. Here are 12 tips to help you streamline your efforts for successful revision:

1. Create a Detailed Revision Plan:

Start by breaking down the syllabus into manageable sections and allocate specific time slots for each topic. Prioritize based on your strengths and weaknesses, giving more time to challenging areas. A well-structured plan ensures comprehensive coverage during the revision period.

2. Focus on Core Concepts

Identify core concepts within each topic and concentrate on understanding them thoroughly. ISRO exams often emphasize fundamental principles, so a strong grasp of basics will serve as a solid foundation for tackling complex problems.

3. Utilize Previous Year Papers

Practice with previous year question papers to familiarize yourself with the exam pattern and question types. This not only helps in understanding the level of difficulty but also aids in time management during the actual exam.

4. Make Concise Revision Notes

Prepare concise and effective notes that highlight key formulas, concepts, and problem-solving strategies. These notes will serve as quick references during the last-minute revision and consolidate your understanding of crucial topics.

5. Strategic Time Management

Divide your revision time wisely, allocating more time to challenging subjects while ensuring all topics receive some attention. Incorporate breaks to maintain focus and prevent burnout. Consider using techniques like the Pomodoro method for efficient time management.

6. Group Study Sessions

Engage in group study sessions with peers preparing for the same exam. Explaining concepts to others enhances your understanding, and group discussions can provide different perspectives on problem-solving approaches.

7. Interactive Learning

Use online platforms, educational apps, and interactive learning resources to reinforce your understanding. Visual aids, simulations, and interactive quizzes can make the revision process more engaging and effective.

8. Practice Numerical Problem Solving

Allocate dedicated time to practice solving numerical problems. Mechanical engineering exams often include a significant number of calculations, and proficiency in numerical problem-solving can give you an edge in the exam.

9. Mock Tests and Simulations

Take full-length mock tests to simulate exam conditions. This not only improves your time management skills but also helps in identifying weak areas that require additional focus during the remaining days.

10. Revision of Formulas and Theorems

Devote specific time to revise important formulas, theorems, and derivations. Create flashcards or a formula sheet to quickly review essential concepts before the exam. A strong grasp of formulas is crucial for solving problems accurately.

11. Stay Updated with Current Affairs

ISRO exams often include questions related to recent developments in the field of space and technology. Stay updated with current affairs, especially those related to ISRO’s projects, missions, and technological advancements.

12. Healthy Lifestyle

Maintain a healthy lifestyle during the revision period. Ensure adequate sleep, stay hydrated, and incorporate physical activities into your routine. A healthy body and mind contribute significantly to better concentration and retention.

In short, your success in the ISRO Scientist/Engineer (Mechanical) exam depends on a well-organized and targeted revision strategy. By incorporating these 12 tips into your study plan, you can maximize your efforts over the next 12 days, reinforcing your understanding of key concepts and boosting your confidence for a successful performance on exam day.


Given above is the best 12 days for Mock Test Challenge cum preparation and revision plan to test and boost your knowledge, speed, and accuracy. Start today and experience quick improvement. Don’t get disappointed with bad results. Try to improve with every mock test. Sign up and take a Free Mock Test to experience it right now.

Frequently Asked Questions-ISRO Scientist/Engineer (Mechanical) Mock Test Challenge

Q1: Is First ISRO Scientist/Engineer 2023 mock test absolutely free?

Absolutely! Our Free ISRO Scientist/Engineer (Mechanical) Mock Test is entirely free of charge, providing you with a valuable opportunity to assess your readiness for the upcoming exam. You just need to Sign Up!

Q2: How do I access the mock test?

Accessing the mock test is simple. Visit our dedicated platform, register for free, and you’ll gain immediate access to the ISRO Scientist/Engineer (Mechanical) Mock Test.

Q3: Are the mock test questions similar to the actual exam?

Yes, the mock test questions are crafted to simulate the actual ISRO Scientist/Engineer (Mechanical) exam. This ensures that you experience a realistic exam environment and can effectively gauge your performance.

Q4: Can I receive feedback on my performance?

Certainly! Each mock test comes with a complete analysis and feedback feature. This allows you to understand your strengths and areas for improvement, enhancing your preparation strategy.

Be positive and give your best and the success will be yours!

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