KONE Data Scientist Intern Interview Questions and Answers for Freshers

Quantitative Aptitude, Numerical Ability, Synonym etc

Q1. Introduce yourself Where you did Training? What was your academic project? Guide? What do you like? Tractor or Implement? What is your aim?
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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
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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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The GD was good they give you current topic and questions related to that

Q1. Tell me about yourself
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Q2. What is role and responsibilities of leader
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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
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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...read more
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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
Ans. 
I am a passionate individual eager to contribute to your innovative team and grow professionally in a dynamic environment.
• I admire the company's commitment to innovation, as seen in your recent project on sustainable technology.

• Your focus on employee development aligns with my goal of continuous learning and skill enhancement.

• I am excited about the collaborative culture here, which I believe fosters creativity and team...read more
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