100+ Project Associate Interview Questions and Answers

Answers to common questions related to APIs, API management, and Apigee Edge

• API stands for Application Programming Interface and is a set of protocols and tools for building software applications

• APIs are popular because they allow different software systems to communicate and share data with each other

• API management involves the process of creating, publishing, documenting, and analyzing APIs

• Apigee Edge is an API management tool that provides features such as security, analyt...read more

Formic acid is an organic compound that is called acid but does not have a COOH group.

• Formic acid (HCOOH) is the simplest carboxylic acid and is commonly known as formic acid.

• It is called an acid because it can donate a hydrogen ion (H+) in solution.

• Formic acid does not have a COOH group (carboxyl group) like other carboxylic acids.

• It is a colorless liquid with a pungent odor and is found naturally in the venom of certain ants.

• Formic acid is used in various industries, includ...read more

Interview questions for Project Associate position covering OOPS concepts, MVC, ADO.NET, and SQL.

• Four pillars of OOPS: Abstraction, Encapsulation, Inheritance, Polymorphism

• Abstract class: Cannot be instantiated, can have abstract and non-abstract methods

• Interfaces: Contract that defines a set of methods, can be implemented by classes

• Finalize method: Called by garbage collector before object is destroyed

• Dispose method: Used to release unmanaged resources, should be called expl...read more

The concentration of H2SO4 and HCl used in our laboratory varies depending on the experiment.

• Concentrations are determined based on the experiment's requirements

• We use a range of concentrations from dilute to concentrated solutions

• Examples include 0.1M HCl for titrations and 98% H2SO4 for digestion of samples

KBr is used in IR spectroscopy as a sample holder and diluent.

• KBr is transparent in the IR region

• It has low absorbance in the IR region

• It is easy to grind into a fine powder

• It is inert and does not react with most samples

• It has a low refractive index which reduces interference from the sample

• Examples of samples analyzed with KBr include polymers, oils, and organic compounds

The ionic product of water is 10^-14 because of the self-ionization of water molecules.

• Water molecules can self-ionize into H+ and OH- ions.

• The concentration of H+ and OH- ions in pure water is equal.

• The product of their concentrations is always 10^-14 at 25°C.

Debugging using gdb and writing commands

• Compile the code with -g flag to include debugging information

• Start gdb with the executable file as argument

• Set breakpoints using 'break' command

• Run the program using 'run' command

• Use 'next' or 'step' command to execute the code line by line

• Print variable values using 'print' command

• Use 'backtrace' command to see the call stack

• Exit gdb using 'quit' command

Unit testing is a software testing technique where individual units or components of a software application are tested in isolation.

• Unit testing helps to identify defects early in the development cycle

• It ensures that each unit of code is working as expected

• Unit tests are automated and can be run frequently to catch regressions

• Popular unit testing frameworks include JUnit for Java, NUnit for .NET, and pytest for Python

Bending moment is the force that causes a beam to bend. Torque is the force that causes an object to rotate. Beams can be classified into different types based on their shape and support. Angle of projection is the angle at which an object is projected. Composite materials are made up of two or more materials with different properties.

• Bending moment is the product of force and distance from the force to the point of rotation.

• Torque is the product of force and the perpendicula...read more

Explaining @Transactional, @Value, @Id, bean lifecycle and scopes

• Transactional is used to manage transactions in Spring

• Value is used to inject values from properties files or environment variables

• Id is used to mark a field as the primary key of an entity

• Bean lifecycle includes instantiation, initialization, use and destruction

• Scopes of bean include singleton, prototype, request, session, and global session

I am currently working on the Scrum process of Agile and using Jira as the tool for project management.

• I am following the Scrum framework of Agile which involves iterative and incremental development.

• I am responsible for facilitating daily stand-up meetings, sprint planning, sprint review, and retrospective meetings.

• Jira is the tool we are using for project management, which helps us to track the progress of tasks, assign them to team members, and monitor the overall project ...read more

Flash distillation is a process of separating components of a mixture by heating it quickly and then cooling it rapidly. Types of distillations used in medicinal plants include steam distillation, solvent extraction, and hydrodistillation.

• Flash distillation involves heating a mixture quickly and then cooling it rapidly to separate its components

• Steam distillation is commonly used to extract essential oils from medicinal plants

• Solvent extraction involves using a solvent to dis...read more

Node.js is a JavaScript runtime built on Chrome's V8 JavaScript engine.

• Node.js allows for server-side scripting and event-driven programming.

• It has a large and active community with a vast number of libraries and modules available.

• Node.js is known for its scalability and high performance.

• Cons include potential security vulnerabilities and difficulty in debugging asynchronous code.

• Node.js is commonly used for web applications, real-time chat applications, and IoT devices.

Match and merge rules determine how records are matched and merged in a database. Match level refers to the criteria used to identify potential matches, while search level refers to the process of finding and comparing those potential matches.

• Match rules define the criteria used to identify potential matches between records.

• Merge rules determine how those potential matches are combined into a single record.

• Match level refers to the criteria used to identify potential matches,...read more

Provisioning tool is used to automate the process of setting up and managing resources. Layout designer is a tool to design the layout of the provisioning portal. Reference entity is a data model used in provisioning.

• Provisioning tool automates the process of setting up and managing resources

• Layout designer is a tool to design the layout of the provisioning portal

• Reference entity is a data model used in provisioning

• Provisioning tools include Chef, Puppet, Ansible, etc.

• Layout ...read more

Microservices are small, independent, and loosely coupled services that work together to form a larger application.

• Microservices are independently deployable and scalable.

• Each microservice performs a specific task and communicates with other services through APIs.

• Monolithic applications are a single, tightly-coupled unit, while microservices are modular and flexible.

• Microservices allow for faster development and easier maintenance.

• Examples of microservices include Amazon, Net...read more

Single threaded operation refers to the execution of a program using only one thread of execution.

• Single threaded programs can only perform one task at a time.

• They are simpler to write and debug than multi-threaded programs.

• Examples of single threaded programs include most console applications and simple scripts.

• Single threaded programs can be less efficient than multi-threaded programs when dealing with complex tasks or large amounts of data.

Gantt chart outlines tasks for a VR driving simulator project in Navi Mumbai over 60 days for 4 units.

• Define project scope: Identify features like vehicle models, environments, and user interface.

• Break down tasks: Include design, development, testing, and deployment phases.

• Allocate resources: Assign team members to specific tasks based on expertise.

• Set milestones: Establish key dates for completion of design, prototype, and final delivery.

• Monitor progress: Regularly update th...read more

Various softwares and sources are used for prior art search, including patent databases, academic journals, and search engines.

• Patent databases such as USPTO, EPO, and WIPO

• Academic journals such as Google Scholar and PubMed

• Search engines such as Google and Bing

• Specialized search tools such as PatSnap and Innography

• Familiarity with Boolean operators and advanced search techniques is important

• Experience with patent classification systems such as CPC and IPC is helpful

Spring Boot is a framework that simplifies the development of Java applications by providing pre-configured settings and dependencies.

• Spring Boot uses the concept of 'beans' to manage application components and their dependencies.

• Beans are Java objects that are instantiated, assembled, and managed by the Spring IoC container.

• The scope of a bean determines its lifecycle and visibility within the application context.

• There are several bean scopes in Spring Boot, including single...read more

Equilibrium constant is a measure of the ratio of products to reactants at equilibrium.

• It is denoted by Kc or Keq.

• It is calculated by dividing the concentration of products by the concentration of reactants at equilibrium.

• It is a constant value for a given reaction at a given temperature.

• It helps in predicting the direction of a reaction.

• If Kc is greater than 1, the reaction favors the products. If Kc is less than 1, the reaction favors the reactants.

• If Kc is equal to 1, the ...read more

Thermodynamics is the study of energy and its transformations in systems.

• It deals with the relationship between heat, work, and energy.

• It focuses on the principles of energy conservation and entropy.

• Thermodynamics is used in various fields like engineering, physics, chemistry, and biology.

• Examples include the study of heat engines, refrigeration systems, and chemical reactions.

They would want to talk to experts in market research, local regulations, supply chain logistics, and cultural norms.

• Market research experts to understand consumer behavior and preferences in India

• Experts in local regulations to navigate legal requirements for setting up a business in India

• Supply chain logistics experts to optimize distribution and transportation in the Indian market

• Experts in cultural norms to tailor marketing strategies and product offerings to the Indian a...read more

Agile is a project management methodology that emphasizes flexibility, collaboration, and iterative development.

• Agile values individuals and interactions over processes and tools

• It emphasizes working software over comprehensive documentation

• It involves frequent communication and collaboration between team members

• It encourages adapting to change rather than following a rigid plan

• Examples of agile methodologies include Scrum, Kanban, and Extreme Programming

SwiftLint is a tool to enforce Swift style and conventions.

• SwiftLint is used to ensure consistent coding style and best practices in Swift code.

• It can be integrated into Xcode or run as a command line tool.

• SwiftLint checks for issues such as unused code, trailing whitespace, and naming conventions.

• It can be customized with rules and configurations to fit specific project needs.

Sleep and wait are methods used in Thread class in Java for pausing the execution of a thread.

• Sleep method pauses the execution of the current thread for a specified amount of time.

• Wait method pauses the execution of the current thread until another thread notifies it to resume.

• Sleep method does not release the lock on the object while wait method releases the lock on the object.

• Sleep method is used for delay whereas wait method is used for synchronization.

• Example: Thread.sle...read more

OOPs concepts include encapsulation, inheritance, polymorphism, and abstraction, essential for structured programming.

• Encapsulation: Bundling data and methods that operate on the data within one unit (class). Example: A class 'Car' with properties like 'speed' and methods like 'accelerate()'.

• Inheritance: Mechanism where one class inherits properties and methods from another. Example: 'ElectricCar' inherits from 'Car'.

• Polymorphism: Ability to present the same interface for dif...read more