Covestro Executive Production Interview Questions and Answers

Q1. Salary negotiation and willingness to work
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Q2. Are you interested to work here
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Q1. Basic questions and answers
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Q1. Related to work profile
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Q1. Basic and general information
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Round duration - 70 Minutes
Round difficulty - Medium

There were 5 people in the zoom meet, including me. Rest all 4 were interviewers, 3 from India and 1 from the United Kingdom.
They started with my introduction and then moved on to the questions from my resume, starting with my internship at Samsung Bangalore and then projects.
Then another interviewer asked about my weakness and strength. Then comes the turn of coding questions.
Starting with finding the minimum element in O(1) time, rotating the 2-D array by 90 degrees, OOPS questions were also asked like- polymorphism, abstraction, virtual class. Some OS questions were- cache, paging algorithms.
Then come my POR and other activities.

Q1. 
Kth Smallest Element Problem Statement
You are provided with an array of integers ARR of size N and an integer K. Your task is to find and return the K-th smallest value present in the array. All elements...read more
Ans. 
Find the K-th smallest element in an array of distinct integers.
• Sort the array and return the element at index K-1.

• Use a min-heap to find the K-th smallest element efficiently.

• Implement quickselect algorithm for optimal performance.
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Q2. 
Inplace Rotate Matrix 90 Degrees Anti-Clockwise
You are provided with a square matrix of non-negative integers of size 'N x N'. The task is to rotate this matrix by 90 degrees in an anti-clockwise directi...read more
Ans. 
Rotate a square matrix by 90 degrees anti-clockwise without using extra space.
• Iterate through each layer of the matrix from outer to inner layers

• Swap elements in groups of 4 to rotate the matrix in place

• Handle odd-sized matrices separately by adjusting the loop boundaries
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Q3. What are the page replacement algorithms in Operating Systems?
Ans. 
Page replacement algorithms are used in operating systems to decide which page to replace when a new page needs to be brought in.
• FIFO (First In, First Out) - replaces the oldest page in memory

• LRU (Least Recently Used) - replaces the page that has not been used for the longest time

• LFU (Least Frequently Used) - replaces the page that has been used the least number of times

• Optimal - replaces the page that will not be used
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Q1. It went well, results awaiting
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Q1. Questions will be asked on previous company roles and responsibilities.
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Q2. Depends upon previous experience.
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Q1. Basics on structure and finishings
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Q2. Questions on structure and finishings
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Q1. How do you find the code performance issue in the code deployed in production?
Ans. 
To find code performance issues in production, use monitoring tools and profiling techniques.
• Use monitoring tools like New Relic, AppDynamics, or Datadog to track performance metrics and identify bottlenecks.

• Use profiling techniques like CPU profiling, memory profiling, and network profiling to pinpoint specific areas of the code that are causing performance issues.

• Analyze logs and error messages to identify patterns a...read more
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Q2. What is asynchronous programming
Ans. 
Asynchronous programming is a programming paradigm that allows multiple tasks to run concurrently without blocking each other.
• Asynchronous programming is used to improve the performance of applications that require a lot of I/O operations.

• It involves the use of callbacks, promises, and async/await keywords in JavaScript.

• Asynchronous programming can be used in both front-end and back-end development.

• Examples of asynchro...read more
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Q3. Write a program to change background after every 0.5 sec interval to orange,white,green on button click in Angular?
Ans. 
Program to change background color on button click in Angular
• Create a button in Angular template

• Add click event listener to the button

• Use setInterval() function to change background color after every 0.5 sec

• Use ngStyle directive to change background color dynamically
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Q4. How to load a component only after 3 of my services are loaded?
Ans. 
Use Angular's 'resolve' property to load component after services are loaded.
• Create a resolver service that waits for all three services to complete before resolving.

• Add the resolver service to the 'resolve' property of the component's route.

• Access the resolved data in the component using the ActivatedRoute service.

• Example: { path: 'my-component', component: MyComponent, resolve: { data: MyResolverService } }
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Q5. What is difference between iquerable and ienumrable
Ans. 
IQueryable is for querying data from a source that implements IQueryable interface while IEnumerable is for iterating over a collection of data.
• IQueryable is used for deferred execution while IEnumerable is used for immediate execution.

• IQueryable is used for querying data from a remote data source while IEnumerable is used for querying data from an in-memory collection.

• IQueryable is more efficient for large datasets as...read more
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Q6. When you go with entity framework and ado.net
Ans. 
Entity Framework is an ORM while ADO.NET is a data access technology.
• Entity Framework is easier to use and provides more abstraction than ADO.NET.

• ADO.NET is faster and more flexible than Entity Framework.

• Use Entity Framework for simple CRUD operations and ADO.NET for complex queries and performance-critical applications.
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Q1. Your expertise in which field
Ans. 
My expertise lies in the field of mechanical engineering with a focus on structural analysis and design.
• Specialize in structural analysis and design

• Proficient in CAD software such as AutoCAD and SolidWorks

• Experience with finite element analysis (FEA)

• Knowledge of material properties and stress analysis

• Worked on projects involving designing and testing mechanical components
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Q2. What is the problem comming in the part at your working company.
Ans. 
The main problem in the part at my working company is frequent breakdowns due to poor quality materials.
• Frequent breakdowns due to poor quality materials

• Lack of proper maintenance procedures

• Inadequate training of maintenance staff

• Supplier issues with delivering substandard parts
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Q1. What is quality.
Ans. 
Quality is the measure of excellence or superiority of something.
• Quality is meeting or exceeding customer expectations.

• It involves consistency, reliability, and durability.

• Quality can be subjective and may vary depending on the context.

• Examples include high-quality products, services, processes, and experiences.
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Q2. Rubber property and it's testing
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Q3. What is your responsibility
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As a Sr. Engineer, my responsibility is to lead and manage engineering projects, provide technical expertise, and ensure the successful completion of tasks.
• Leading and managing engineering projects from conception to completion

• Providing technical expertise and guidance to team members

• Ensuring the successful execution of tasks within deadlines and budget constraints

• Collaborating with cross-functional teams to achieve pr...read more
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Q4. How to solve the problem
Ans. 
To solve the problem, first identify the root cause, brainstorm potential solutions, evaluate each solution, implement the best one, and monitor the results.
• Identify the root cause of the problem by analyzing data and gathering information.

• Brainstorm potential solutions with a team or individually.

• Evaluate each solution based on feasibility, cost, and impact.

• Implement the best solution and monitor the results to ensure...read more
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Q5. What is qa and qc
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Q6. Why do you want to change job.
Ans. 
Seeking new challenges and opportunities for growth in a different environment.
• Looking for new challenges and opportunities for professional growth

• Interested in working with new technologies or industries

• Seeking a better work-life balance or company culture

• Wanting to relocate to a different city or country for personal reasons
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Q7. What is your aspects from this company
Ans. 
I am impressed by the company's commitment to innovation, strong team culture, and focus on employee development.
• Innovative projects and technologies being developed

• Positive team culture and collaboration

• Opportunities for professional growth and development

• Company's reputation and success in the industry
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Q1. What is your current salary
Ans. 
I am currently earning a competitive salary based on my experience and qualifications.
• My current salary is in line with industry standards

• I am open to discussing compensation based on the responsibilities of the Sr. Engineer role

• I believe my salary should reflect my skills and contributions to the company
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Q2. What is the aspect
Ans. 
The aspect refers to a particular part or feature of something.
• Aspect is a specific element or characteristic of a subject or situation.

• It can also refer to a particular way in which something can be viewed or interpreted.

• For example, in engineering, the aspect of a design could refer to its functionality, aesthetics, or cost-effectiveness.
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Q1. Joining date and relieving letter
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Q2. Dd documents verification
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Q1. Resignation from working company
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Q2. Provided offer letter of the minda tg
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