Clear Point Instrumentation Interview Questions and Answers

Q1. Pump and it's types it's API and design
Ans. 
Pumps are devices used to move fluids through a system. There are various types of pumps such as centrifugal, positive displacement, and reciprocating pumps.
• Types of pumps include centrifugal, positive displacement, and reciprocating pumps

• API standards for pumps include API 610 for centrifugal pumps and API 674 for reciprocating pumps

• Pump design considerations include flow rate, pressure, material compatibility, and ef
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Q2. Storage tank design, API and types of ST
Ans. 
Storage tank design involves following API standards and various types of storage tanks.
• API standards such as API 650 for welded steel tanks and API 620 for large, field-erected tanks

• Types of storage tanks include atmospheric storage tanks, pressure storage tanks, and refrigerated storage tanks

• Design considerations include material selection, tank size, pressure requirements, and safety features
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Q3. Types of Stainer
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Types of strainers include Y-strainers, basket strainers, duplex strainers, and temporary cone strainers.
• Y-strainers are used for applications with low flow rates and are easy to clean.

• Basket strainers are commonly used in pipelines to remove larger particles.

• Duplex strainers have two separate strainer baskets for continuous operation.

• Temporary cone strainers are used during commissioning or maintenance to prevent debr
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Q4. CIP process
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Q5. Equipment hygiene?
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Q6. PSV and PRV design
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Q7. Use of Dimension less number
Ans. 
Dimensionless numbers are used in engineering to simplify equations and compare different systems.
• Dimensionless numbers help in scaling and comparing physical phenomena without the need for specific units.

• Examples include Reynolds number in fluid mechanics, Mach number in aerodynamics, and Peclet number in heat transfer.

• They provide insight into the dominant forces or mechanisms in a system.

• Dimensionless numbers are us...read more
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Q8. Line Sizing procedure
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Line sizing procedure involves determining the appropriate diameter of pipes for a given flow rate and pressure drop.
• Calculate the required flow rate and pressure drop for the system

• Use fluid properties and pipe material to determine the appropriate pipe size

• Consider factors such as velocity, friction loss, and future expansion

• Ensure the selected pipe size meets safety and regulatory requirements

• Common methods include ...read more
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Q9. Heat exchanger design
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Heat exchanger design involves selecting the appropriate type, size, and materials to efficiently transfer heat between two fluids.
• Consider the type of heat exchanger needed (e.g. shell and tube, plate heat exchanger)

• Calculate the required heat transfer area based on heat load and temperature difference

• Select materials compatible with the fluids and operating conditions

• Optimize flow rates to maximize heat transfer effi
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Q10. Software handling, HTRI, Aspen
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Q1. Willing to travel abroad
Ans. 
Yes, I am willing to travel abroad for work.
• I am open to new experiences and cultures

• I understand the importance of global collaboration in engineering projects

• I have previous experience traveling for work or education

• I am willing to adapt to different working environments and challenges
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Q2. Why you left your previous job
Ans. 
Seeking new challenges and opportunities for growth
• Desire for career advancement

• Looking for new challenges

• Opportunity for professional growth

• Seeking better work-life balance
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Q1. Resume and project based + basic questions
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Q1. Tech round with director of mobile engineering
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Q1. Basic questions about resume and projects
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Q1. Resume based and personality based
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Two coding questions of easy to moderate difficulty level, focusing on arrays and strings.

Q1. What is the Quick Sort algorithm?
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Q2. What is the merge sort algorithm and what is its time complexity?
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Aptitude and coding test happened and after that a gd where 4 students fom each group were seleced out of 10 then interviews f2f in college

Keep giving valid points and make sure youre being heard and it doesnt matter if you speak in favor or against

Q1. Everything in your resume was asked and basic electronic components Computer networks
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Q1. BASIC QUESTIONS about family and interest
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Q1. What care will you take for inventory?
Ans. 
I will implement proper inventory management techniques to ensure accurate tracking and organization of products.
• Regularly conduct physical inventory counts to reconcile with system records

• Implement barcode scanning or RFID technology for efficient tracking

• Utilize inventory management software to streamline processes

• Establish reorder points and safety stock levels to prevent stockouts

• Train staff on proper handling and
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Q2. What is inventory?
Ans. 
Inventory refers to the goods and materials a business holds for the purpose of resale or use in production.
• Inventory includes raw materials, work-in-progress, and finished goods.

• It is an important asset on a company's balance sheet.

• Inventory management involves tracking, storing, and replenishing stock.

• Examples of inventory include clothing in a retail store, spare parts in an auto shop, and ingredients in a restauran
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Q1. Why you want to come to this company why not other company
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Q1. Describe designing of Conveyors
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Q2. Iso questions
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Q1. What is closure
Ans. 
A closure is a function that has access to its own scope, as well as the scope in which it was defined.
• A closure allows a function to access variables from its outer function even after the outer function has finished executing.

• Closures are commonly used in event handlers, callbacks, and asynchronous programming.

• Example: function outerFunction() { let outerVar = 'I am outer'; return function innerFunction() { console.l
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Q2. What is hoisting
Ans. 
Hoisting is a JavaScript mechanism where variable and function declarations are moved to the top of their containing scope during the compilation phase.
• Variable and function declarations are hoisted to the top of their scope.

• Only declarations are hoisted, not initializations.

• Function declarations take precedence over variable declarations.

• Example: console.log(myVar); var myVar = 10; // Output: undefined

• Example: cons...read more
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Q1. What are you current roles , responsibilities?
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Q2. Experience and projects that you did?
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Q3. What did you know about Epam Anywhere?
Ans. 
Epam Anywhere is a platform that connects remote tech professionals with global companies for project-based work.
• Epam Anywhere is a platform created by Epam Systems, a global IT services company.

• It allows remote tech professionals to work on project-based assignments for global companies.

• Professionals can choose projects based on their skills and availability.

• Companies can access a pool of talented professionals from a...read more
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Q4. Do you have any other questions?
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Q1. Difference between git merge and git rebase?
Ans. 
Git merge combines changes from different branches, while git rebase moves the current branch to the tip of another branch.
• Git merge creates a new commit with the combined changes of the branches being merged.

• Git rebase moves the current branch to the tip of another branch by replaying each commit on top of the other branch.

• Git merge preserves the commit history of both branches, while git rebase rewrites the commit hi
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Q2. How to set up version control system?
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Setting up a version control system involves choosing a system, creating a repository, adding files, committing changes, and collaborating with team members.
• Choose a version control system like Git, SVN, or Mercurial.

• Create a repository to store your project files.

• Add files to the repository using commands like 'git add' or 'svn add'.

• Commit changes to the repository with a message describing the changes using commands ...read more
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Q3. What is difference between Working tree, staging/index and HEAD?
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Working tree, staging/index, and HEAD are different states in Git representing different versions of files.
• Working tree is the current state of files in the project directory

• Staging/index is the area where changes are prepared to be committed

• HEAD points to the last commit on the current branch
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Q4. What are Authentication mechanism that you are aware of?
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Various authentication mechanisms include password-based, biometric, multi-factor, and OAuth.
• Password-based authentication

• Biometric authentication (e.g. fingerprint, facial recognition)

• Multi-factor authentication (e.g. SMS code, token generator)

• OAuth (Open Authorization) for third-party authentication
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Q5. What is BDD? what difference between BDD and cucumber? Are you aware of specflow?
Ans. 
BDD stands for Behavior Driven Development. Cucumber is a BDD tool that uses Gherkin syntax. SpecFlow is a BDD tool for .NET.
• BDD (Behavior Driven Development) is a software development approach that focuses on the behavior of the system.

• Cucumber is a BDD tool that uses Gherkin syntax to write test scenarios in a human-readable format.

• SpecFlow is a BDD tool specifically designed for .NET projects, allowing developers to...read more
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Q6. What is UpCasting? and why we can't use downCasting in OOPS?
Ans. 
Upcasting is casting a subclass object to a superclass reference. Downcasting is the opposite.
• Upcasting is safe and implicit in OOP, as it involves casting a subclass object to a superclass reference.

• Downcasting is not safe and requires explicit casting, as it involves casting a superclass reference to a subclass object.

• Example: Animal animal = new Dog(); // Upcasting

• Example: Dog dog = (Dog) animal; // Downcasting, req
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Q7. Which one is recommended between HashTable and HashMap?
Ans. 
HashMap is recommended due to better performance and allows null values, while HashTable is synchronized.
• HashMap is not synchronized, so it is faster than HashTable for single-threaded applications.

• HashMap allows null values and null keys, while HashTable does not.

• HashMap is part of the Java Collections Framework, while HashTable is a legacy class.

• Example: HashMap map = new HashMap<>();

• Example: HashTab
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Q8. Explain about your Automation project architecture?
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Q9. What are five basic items to jumpstart API Automation?
Ans. 
Five basic items to jumpstart API Automation
• Understand the API documentation

• Select a suitable automation tool (e.g. Postman, SoapUI)

• Set up a testing environment

• Write test cases for API endpoints

• Implement continuous integration for automated testing
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Q10. How to run the TCs in parallel?
Ans. 
Running test cases in parallel can be achieved by using tools like TestNG or JUnit.
• Use TestNG or JUnit to create test suites that can run test cases in parallel

• Configure the test suite to run test cases concurrently by setting the parallel attribute in the testng.xml file

• Ensure that the test cases are independent of each other to avoid any conflicts during parallel execution
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Q11. Serialization & Deserialization?
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Q12. What are log levels and what log library do you use in your project?
Ans. 
Log levels are used to categorize log messages based on their severity. Common levels include DEBUG, INFO, WARN, ERROR, and FATAL.
• Log levels help in filtering and managing log messages based on their importance and severity.

• Different log levels include DEBUG, INFO, WARN, ERROR, and FATAL, each indicating the severity of the message.

• Log libraries like Log4j, Logback, and SLF4J are commonly used in projects to handle log...read more
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Q13. What are the design patterns that you are aware of?
Ans. 
Some common design patterns include Singleton, Factory, Observer, and Strategy patterns.
• Singleton pattern ensures a class has only one instance and provides a global point of access to it.

• Factory pattern creates objects without specifying the exact class of object that will be created.

• Observer pattern defines a one-to-many dependency between objects so that when one object changes state, all its dependents are notified...read more
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Q14. Can you explain SOLID principles?
Ans. 
SOLID principles are a set of five design principles that help make software designs more understandable, flexible, and maintainable.
• Single Responsibility Principle (SRP) - A class should have only one reason to change.

• Open/Closed Principle (OCP) - Software entities should be open for extension but closed for modification.

• Liskov Substitution Principle (LSP) - Objects of a superclass should be replaceable with objects o...read more
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Q15. What are types of testing that you are aware of?
Ans. 
Types of testing include functional testing, non-functional testing, manual testing, automated testing, regression testing, and performance testing.
• Functional testing: Testing the functionality of the software against the requirements.

• Non-functional testing: Testing aspects like performance, usability, and security.

• Manual testing: Testing performed manually by testers without the use of automation tools.

• Automated testi...read more
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Q16. Use only LinQ expressions? Given List lst=new List{"adfa","agdasg"}; How do you filter names that start with "a"?
Ans. 
Filter names starting with 'a' using LinQ expressions on a List.
• Use LinQ Where method with a lambda expression to filter names starting with 'a'.

• Example: var filteredNames = lst.Where(name => name.StartsWith('a')).ToArray();
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Q17. What is jenkins? Do you have experience in setting up pipeline in jenkins? Are you aware of how to setup pipeline job in jenkins?
Ans. 
Jenkins is a popular open-source automation server used for continuous integration and continuous delivery of software projects.
• Jenkins is used to automate the non-human part of the software development process, with continuous integration and facilitating technical aspects of continuous delivery.

• It allows for easy configuration of pipelines to automate the build, test, and deployment processes.

• Setting up a pipeline in...read more
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Q1. Write piece of code? How to create interface, Abstract class? Create a new class which implements interface and Abstract class? If there is common method exist in interface & Abstract class
Ans. 
Creating interface, abstract class, and implementing them in a new class with a common method
• To create an interface in Java, use the 'interface' keyword and define the methods without implementation

• To create an abstract class in Java, use the 'abstract' keyword before the class definition and can have both abstract and concrete methods

• To implement an interface in a class, use the 'implements' keyword and provide implem...read more
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Q2. How to override any method in child class?
Ans. 
To override a method in a child class, use the 'override' keyword in the child class method definition.
• Use the 'override' keyword before the method signature in the child class.

• The method in the child class must have the same name, return type, and parameters as the method in the parent class.

• The overridden method in the child class can call the parent class method using 'base.MethodName()'.
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Q3. String str="My name is xyz and i am from abc organization"; Create a dictionary as output which stores the words as key and frequency as values?
Ans. 
Create a dictionary to store word frequency from a given string.
• Split the string into words using space as delimiter

• Iterate through the words and update the frequency in the dictionary

• Handle case sensitivity and punctuation marks appropriately
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Q4. Difference between .Select and .SelectMany
Ans. 
Select projects a sequence of values into a new form, while SelectMany projects each element of a sequence to a sequence and flattens the resulting sequences into one sequence.
• Select is used to transform each element of a sequence into a new form.

• SelectMany is used to transform each element of a sequence into a sequence of values and then flattens those sequences into one sequence.

• SelectMany is often used when working ...read more
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Q5. List lst={"name1","name2","name3"}; Use only Linq expression and create dictionary which stores element in the above list as key and length of the element as value
Ans. 
Use Linq to create a dictionary with elements from a list as keys and their lengths as values.
• Use ToDictionary method with element as key and element length as value

• Use Select method to project each element to a KeyValuePair
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Q6. Attributes used in Nunit and for Parallel execution?
Ans. 
Attributes used in Nunit for parallel execution include Parallelizable and MaxDegreeOfParallelism.
• Parallelizable attribute is used to specify that a test fixture can be run in parallel with others

• MaxDegreeOfParallelism attribute is used to specify the maximum number of threads to use for parallel execution
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Q7. How to handle stale element exception?
Ans. 
Stale element exception occurs when an element is no longer attached to the DOM.
• Refresh the page and try to locate the element again

• Use explicit wait to ensure the element is present and interactable before performing actions

• Handle the exception using try-catch block to retry the operation

• Avoid storing web elements in variables for a long time as they may become stale
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