KONE Intern Interview Questions, Process, and Tips

There were 4 sections and first one was quant, second one was logical, third was English and finally 3 coding questions in last section

4 codes and 5 technical questions

Q1. Explain multi threading
Ans. 
Multi threading is the ability of a CPU to execute multiple threads concurrently.
• Allows for parallel execution of tasks, improving performance

• Each thread has its own stack and runs independently

• Threads can communicate and synchronize using shared memory

• Examples: running multiple tasks simultaneously in a web server, processing data in parallel
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Q2. What is polymorphism
Ans. 
Polymorphism is the ability of a single function or method to operate on different types of data.
• Polymorphism allows objects of different classes to be treated as objects of a common superclass.

• It enables a single interface to be used for different data types.

• Examples include method overloading and method overriding in object-oriented programming.
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Q3. Diff b/w inner and outer joins
Ans. 
Inner join returns only the rows that have matching values in both tables, while outer join returns all rows from both tables.
• Inner join: returns rows with matching values in both tables

• Outer join: returns all rows from both tables, with NULL values where there is no match

• Example: Inner join - SELECT * FROM table1 INNER JOIN table2 ON table1.id = table2.id

• Example: Outer join - SELECT * FROM table1 LEFT OUTER JOIN table
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Good question based on LR, DI, QA

Q1. Basic HR interview based on your previous experience
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Q2. How will your expertise will help company, why you want to join AC
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Q1. Tell me about yourself
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Q2. What is mechanical design
Ans. 
Mechanical design is the process of creating physical products and systems using engineering principles and techniques.
• Involves designing components and assemblies for machines, vehicles, structures, etc.

• Requires knowledge of materials, manufacturing processes, and CAD software.

• Focuses on functionality, safety, and efficiency of the design.

• Examples include designing a car engine, a robotic arm, or a bridge structure.
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Q3. What is shear stress
Ans. 
Shear stress is a type of stress that acts parallel to a surface, causing layers of material to slide past each other.
• Shear stress is caused by forces applied parallel to a surface, leading to deformation.

• It is calculated as force divided by the area over which the force is applied.

• Shear stress is commonly seen in materials like fluids, where layers move at different speeds.

• Examples include cutting paper with scissors,...read more
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Q4. What are categories of strength in machine design
Ans. 
Categories of strength in machine design include static strength, fatigue strength, impact strength, and toughness.
• Static strength: Ability to withstand a constant load without breaking.

• Fatigue strength: Ability to withstand repeated loading over time.

• Impact strength: Ability to withstand sudden shocks or impacts.

• Toughness: Ability to absorb energy and deform without fracturing.
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Topic given you need to stand out

Case study given regarding marketing opportunity

Q1. Interview taken
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Q1. What do you know about company Technical questions and the subject you say
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Q1. Introduction to self Why do you want to join this company
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Q1. What do you think about the german electronic car industry
Ans. 
The German electronic car industry is a leading force in the global market, known for innovation and quality.
• Germany is home to major players like Volkswagen, BMW, and Mercedes-Benz who are investing heavily in electric vehicles.

• The industry is focused on sustainability and reducing carbon emissions, with a strong emphasis on research and development.

• German electric cars are known for their advanced technology, perform...read more
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Q2. What do you think about our competitors
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