JKM Ferrotech Interview Questions and Answers

Aptitude round consists of aptitudes and some pseudocode snippets to solve and it also had one medium level coding question and one hard level coding question.

Q1. Write a pattern pyramid number in Java
Ans. 
Pattern pyramid number in Java
• Use nested loops to print the pyramid pattern

• Increment the number in each row

• Handle spaces for proper alignment
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Q2. Write a C program to find Factorial of a number
Ans. 
A C program to find the factorial of a number using recursion
• Use a recursive function to calculate the factorial

• Handle the base case when the number is 0 or 1

• Multiply the number with the factorial of (number-1) in each recursive call
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Q3. What is Little endian and Big endian in C
Ans. 
Little endian and Big endian are byte ordering formats in which multi-byte data is stored in memory.
• Little endian: Least significant byte is stored at the lowest memory address.

• Big endian: Most significant byte is stored at the lowest memory address.

• Example: In Little endian, the number 0x12345678 is stored as 78 56 34 12 in memory.

• Example: In Big endian, the same number is stored as 12 34 56 78 in memory.
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Q4. Why do you use Docker and Git
Ans. 
I use Docker for containerization to easily manage and deploy applications, and Git for version control to collaborate and track changes.
• Docker allows for consistent development environments across different machines

• Git helps track changes, collaborate with team members, and revert to previous versions if needed

• Both tools improve efficiency and productivity in software development
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Q5. Draw architecture diagram for your Machine Learning Project
Ans. 
The architecture diagram for a Machine Learning project typically includes data preprocessing, model training, evaluation, and deployment stages.
• Data preprocessing stage involves cleaning, transforming, and preparing the data for model training.

• Model training stage includes selecting the appropriate algorithm, training the model on the data, and tuning hyperparameters.

• Evaluation stage involves assessing the model's per...read more
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Q1. Tell me about your family
Ans. 
I come from a close-knit family of four, including my parents and younger sister.
• My parents have always been supportive of my career choices and encouraged me to pursue my passion for software engineering.

• My younger sister is currently studying computer science and we often collaborate on coding projects together.

• Family gatherings are important to us and we enjoy spending quality time together, whether it's celebrating
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Q2. Which is your favorite subject and why
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Q3. What will you do if you get rejected in this round
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It been from your studies and some from general knowledge and few are technical

GD is about the new technology in automotive industry

Q1. It's about me and my family
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Q2. Technical questions from polymer materials
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Q3. My experience in industry
Ans. 
I have 5 years of experience working in the automotive industry as a mechanical engineer.
• Designed and implemented new components for vehicles

• Performed testing and analysis on vehicle systems

• Collaborated with cross-functional teams to solve engineering challenges
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Q1. Explanation about my projects
Ans. 
I have worked on various projects including designing a new software system for a manufacturing company and implementing a renewable energy solution for a community.
• Designed and implemented a new software system for a manufacturing company to streamline production processes

• Developed a renewable energy solution for a community by installing solar panels and wind turbines

• Collaborated with a team of engineers to optimize ...read more
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Q2. How is injection molding machine working and new technology development in machine's
Ans. 
Injection molding machine works by melting plastic pellets and injecting the molten material into a mold to create a solid object.
• Plastic pellets are fed into a heated barrel where they are melted

• The molten plastic is then injected into a mold cavity under high pressure

• The plastic cools and solidifies in the mold, taking its shape

• New technology developments include faster cycle times, improved energy efficiency, and en...read more
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Q1. What is your introduction
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Q2. What do you work privious company
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Q1. What is your qualification
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Q2. What is your favourite subject
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Q1. Dear sir production department operator
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Q2. Diploma mechanical engineering production
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Q3. Make a Tread and sidewall
Ans. 
A tread and sidewall are key components of a tire, providing traction and protection.
• The tread is the part of the tire that makes contact with the road surface, designed to provide grip and traction.

• The sidewall is the vertical section of the tire that connects the tread to the bead of the tire, providing structural support and protection.

• Tread patterns can vary based on the intended use of the tire, such as all-season...read more
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Q4. Tread jde++ Juh5 (bho) Jdexf Jdcxd 295 jdcxd Sidewall - 344 Sidewall -535
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Q1. Self introduction
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Q2. Technical questions
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Q1. Self introduction
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Q2. Technical questions
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Q1. About current role and experience
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Q1. What is a bs6 Vehicle
Ans. 
BS6 stands for Bharat Stage 6, which is the emission standard set by the Indian government for vehicles.
• BS6 is the latest emission standard in India, aimed at reducing harmful pollutants from vehicle exhaust.

• BS6 vehicles have stricter emission norms compared to BS4 vehicles.

• BS6 compliant vehicles use cleaner fuel and advanced emission control technologies.

• Examples of BS6 vehicles include cars, motorcycles, and commerci...read more
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Q2. Why bs4 engine change from the bs6 engine
Ans. 
The change from BS4 to BS6 engines was necessary to comply with stricter emission norms set by the government.
• BS6 engines have lower emissions of harmful pollutants compared to BS4 engines.

• BS6 engines use advanced technology like Selective Catalytic Reduction (SCR) and Diesel Particulate Filter (DPF) to reduce emissions.

• The government mandated the switch to BS6 engines to improve air quality and reduce pollution levels
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Q3. What is FE trail
Ans. 
FE trail stands for Front End trail, which refers to the path followed by a user through a website or application's front end interface.
• FE trail helps in understanding user behavior and preferences on the front end of a website or application.

• It includes the pages visited, actions taken, and interactions with different elements on the front end.

• Analyzing FE trail can help in improving user experience and optimizing the...read more
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Q4. What is that ma trail
Ans. 
The question seems to be asking about 'ma trail', which could refer to a specific term or concept in a technical field.
• Ma trail could potentially refer to a specific feature or function in a software or hardware system.

• It could also be a typo or mispronunciation of a different term or phrase.

• Without more context, it is difficult to provide a specific answer to this question.
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Q5. What is the cooling trail
Ans. 
The cooling trail is the path of air flow created by a cooling system to dissipate heat from a device or equipment.
• Cooling trail is essential for preventing overheating in electronic devices.

• It is created by fans or other cooling mechanisms to circulate air and remove heat.

• Examples include the cooling trail in a computer system or a refrigerator.
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Q1. What is mass transfer
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Q2. What is heat transfer
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Q1. What is your name
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Q2. Family background
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