Mechanical Engineering Interview Questions: A Complete Guide

As a mechanical engineering student, graduate, or professional, it can often be a daunting task to locate the appropriate resources that will enable you to excel in Interviews or VIVAs. Having personally experienced this struggle myself, I fully comprehend the challenges that arise. Drawing from my extensive background of over 8 years in the industrial sector and having undergone numerous interviews, I have meticulously compiled a comprehensive list of more than 100 Mechanical Engineering Interview questions and answers. This compilation aims to simplify the process for you, ensuring that you have access to the necessary tools for success.

Tailored to suit the needs of final year and pre-final year students, graduates, and working professionals in the field of mechanical engineering, this guide covers a wide array of topics. From basic Mechanical Engineering (BME) to Manufacturing Science, Material Science, Strength of Material (SOM), Theory of Machine (TOM), Automobile Engineering, Fluid Mechanics (FM), Thermodynamics, Refrigeration & Air Conditioning (RAC), Heat & Mass Transfer (HMT), and more, this comprehensive resource leaves no stone unturned.

Each question in this guide is accompanied by not just one, but two answers.

The first answer, known as the explanatory answer, is crafted in a manner that is easily comprehensible, employing a practical approach to ensure clarity.

On the other hand, the second answer, known as the interview answer, adopts a more theoretical perspective, making it particularly suitable for common interview questions.

To facilitate ease of use, the questions are categorized into three levels: easy, medium, and hard. However, it is important to bear in mind that what may appear challenging to one individual could be deemed effortless by another. Nevertheless, the ultimate objective remains consistent - to acquire knowledge and enhance your understanding of mechanical engineering.

So, whether you are diligently preparing for an upcoming Interview or VIVA, or simply seeking to fortify your academic knowledge, this invaluable guide is here to provide you with the necessary support and guidance to achieve success in your endeavors.

1. Pre-Final Year mechanical engineering students
2. Final year mechanical engineering students
3. Mechanical engineering graduates and professionals
4. Anyone from mechanical stream who wants to sharpen their interview skills
5. Students preparing for their practicals (Viva) in the mechanical engineering stream.

1. Very well structured, subject by subject questionnaire ~ Khushi T
2. Not just interview questions but also a quick revision of all the concepts of various subjects ~ Elysian A
3. Overall this course is good for my purposes. I'm not a MechE, and am going to start a job more focused on mechanical engineering, so this is a good reminder / refresher of concepts ~ Asha M
4. i feel the content is amazing. Covers very important (and unheard) questions. The presentation is also good ~ Arnab G
5. In my opinion, adding more of fluid mechanics would be great. But overall everything is just top notch ~ Noor S
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7. Great course that covers different mechanical topics that are interesting to any engineer. I really like that I can study sections in order that I want. Quizzes were really fun to solve! ~ Val
8. The course is very well structured and easy to follow! Highly recommended ~ Arin T
9. Great course! So much useful information! Really happy with it! ~ Diemante S
10. I was searching for a good course which gives insights about mechanical engineering interview questions. In a whim I joined this course but I am glad that I did. Bravo on contents !! ~ Prayag S

1. Interview/Viva/Important questions with proper explanatory answers from major mechanical engineering subjects
2. Basic Mechanical Engineering (BME) - Explain the term torque, Explain different types of fits etc (10+ questions)
3. Manufacturing & Material Science - Define pitting, Why is heat treatment of steel metal crucial etc (20+ Questions)
4. Strength of Material (SOM) - Define Buckling Factor, What is Stress Concentration etc (10+ Questions)
5. Theory of Machine (TOM) - What is gear ratio, What do you mean by cotter joint etc (10+ Questions)
6. Automobile Engineering - What are the various types of brakes, What causes white smoke in two stroke locomotive engines etc (10+ Questions)
7. Fluid Mechanics (FM) - What is a Newtonian fluid, Explain the difference between Rotational and Irrotational Flow etc (15+ Questions)
8. Thermodynamics - What is the second law of thermodynamics, What is the difference between the heat engine & heat pump etc (5+ Questions)
9. RAC & HMT - Explain mechanical refrigeration, What is heat transfer co-efficient etc (15+ Questions)
10. Miscellaneous - What is the advantage of using pneumatic, Define least count etc (10+ Questions)

1. Basic Physics - Density, Viscosity, Law of conservation of energy, Moment, Buoyancy, Moment of Inertia etc.
2. Basic Mathematics - Differentiation, Integration, Partial differentiation, Logarithm etc.
3. Basic Mechanical Engineering - Welding, Crystal structure, Metal casting, Fe-C phase diagram, Stress & strain, P-V diagram etc.