70+ TotalEnergies Interview Questions and Answers

Code to find distance between two points without using data structures

• Use the distance formula: d = sqrt((x2-x1)^2 + (y2-y1)^2)

• Take input from user for the coordinates of the two points

• Use basic arithmetic operations to calculate the distance

• Print the distance as output

I would consult with a colleague or mentor who has expertise in rigorous mathematics.

• Seek guidance from a colleague or mentor with expertise in rigorous mathematics

• Research and study the necessary mathematical concepts

• Practice and apply the concepts to the operation

• Collaborate with a team to ensure accuracy and efficiency

I will focus on building strong relationships with retailers and implementing effective inventory management strategies.

• Establish open communication channels with retailers to understand their needs and concerns

• Offer incentives such as discounts or promotions to encourage retailers to stock our material

• Implement a just-in-time inventory system to minimize excess inventory and reduce costs

• Monitor sales data and adjust supply chain accordingly

• Explore alternative distribution ch...read more

Different sections of written exam validate a student's knowledge and skills in various areas and are required in life for diverse career paths.

• Analytical section tests critical thinking and problem-solving abilities.

• C&DS section evaluates programming and data structure knowledge.

• Electronics section assesses understanding of electronic devices and circuits.

• These skills are essential for careers in engineering, computer science, data analysis, and many other fields.

• A well-roun...read more

Functions can lead to code complexity and reduce readability.

• Functions can make code harder to follow and debug.

• Functions can create dependencies and make code less modular.

• Functions can lead to performance issues if overused or poorly designed.

• Functions can make it harder to maintain code over time.

• Functions can make it harder to understand the flow of a program.

I will listen to the complaints carefully and empathetically, offer solutions and follow up to ensure satisfaction.

• Listen to the customer's complaint without interrupting

• Empathize with the customer and acknowledge their frustration

• Offer a solution that addresses the customer's concern

• Follow up with the customer to ensure their satisfaction

• Maintain a positive attitude and professional demeanor throughout the process

Accruals are expenses incurred but not yet paid, prepaid are payments made in advance, and other accounting terms include depreciation, amortization, and journal entries.

• Accruals are expenses that have been incurred but not yet paid for, such as salaries or rent.

• Prepaid expenses are payments made in advance for goods or services, such as insurance premiums or rent.

• Depreciation is the gradual decrease in value of an asset over time.

• Amortization is the process of spreading out ...read more

To build customer-centric products, I prioritize customer feedback, conduct market research, and involve customers in the development process.

• Prioritize customer feedback to understand their needs and preferences

• Conduct market research to identify market trends and competitors' offerings

• Involve customers in the development process through user testing and feedback sessions

Philips Healthcare is a global leader in medical technology, providing innovative solutions for diagnosis, treatment, and monitoring of patients.

• Philips Healthcare offers a wide range of products and services, including imaging systems, patient monitoring equipment, and healthcare informatics

• The company is focused on improving patient outcomes and reducing healthcare costs through innovation and collaboration with healthcare providers

• Philips Healthcare has a strong presence i...read more

Generate string permutations with first letter as vowel and atleast 3 letters

• Create a list of vowels and a list of consonants

• Generate all possible permutations of length 3 or more using itertools.permutations

• Filter out permutations that do not start with a vowel

• Join the remaining permutations into strings

There are typically two types of sales required in this profile: new business sales and account management sales.

• New business sales involve acquiring new customers and clients.

• Account management sales involve maintaining and growing relationships with existing customers.

• Both types of sales require strong communication and negotiation skills.

• New business sales may involve cold calling, networking, and lead generation.

• Account management sales may involve upselling, cross-sellin...read more

Depreciation entry is a journal entry made to record the decrease in value of an asset over time.

• Depreciation entry is recorded in the general ledger to reflect the reduction in the value of an asset.

• It involves debiting the depreciation expense account and crediting the accumulated depreciation account.

• Depreciation entry is typically made at the end of an accounting period.

• The amount of depreciation is calculated based on the asset's useful life and salvage value.

• Example: If...read more

Questions on OOPS, design patterns, and TPL with a parking lot design problem.

• To communicate between two threads, we can use synchronization primitives like locks, semaphores, or monitors.

• For designing a parking lot, we need to consider factors like the number of parking spots, types of vehicles, and payment methods.

• Design patterns are reusable solutions to common software design problems, like the Singleton pattern or the Observer pattern.

• TPL (Task Parallel Library) is a .NE...read more

Transducers are devices that convert one form of energy into another. There are various types of transducers.

• Active transducers

• Passive transducers

• Analog transducers

• Digital transducers

• Electrical transducers

• Mechanical transducers

• Thermal transducers

• Optical transducers

• Chemical transducers

Structure padding is adding empty bytes to align data in memory. Packing a structure removes padding to save memory.

• Structure padding ensures that data members are aligned to memory boundaries for efficient access

• Padding bytes are added between data members to ensure alignment

• Packing a structure removes padding to save memory but may impact performance

• Example: struct example { char a; int b; } - sizeof(struct example) may be larger due to padding

To verify if a record is deleted from a page with 10 records, we can check if the record is no longer displayed.

• Locate the record on the page

• Verify that the record is no longer visible

• Confirm that the total number of records displayed is now 9

Analytical skills are crucial for problem-solving, decision-making, and strategic planning.

• Helps in identifying patterns and trends

• Allows for data-driven decision making

• Enables effective problem-solving

• Facilitates strategic planning

• Improves communication and presentation skills

• Increases efficiency and productivity

• Examples: financial analysis, market research, risk assessment

I will ensure data secrecy by implementing access controls and confidentiality agreements.

• Implement access controls to restrict access to sensitive data

• Require team members to sign confidentiality agreements

• Regularly review access logs to monitor for any unauthorized access

• Encrypt sensitive data to prevent unauthorized access

• Train team members on the importance of data confidentiality

• Limit the number of team members who have access to sensitive data

Design a lift system for an office building with multiple lifts and floors.

• Determine the number of lifts required based on the building size and occupancy.

• Consider the traffic flow and peak hours to determine the lift capacity.

• Install a control system to manage the lift operation and reduce waiting time.

• Ensure safety features such as emergency brakes, backup power supply, and fire alarms.

• Provide clear signage and instructions for users to navigate the lift system.

• Regular main...read more

Abstract class can have both abstract and non-abstract methods, while Interface can only have abstract methods.

• Abstract class can have constructors, fields, and methods, while Interface cannot have any implementation.

• A class can extend only one Abstract class but can implement multiple Interfaces.

• Abstract classes are used to define a common behavior for subclasses, while Interfaces are used to define a contract for classes to implement.

• Abstract classes can have access modifie...read more

My weak point is time management and prioritization of tasks.

• I tend to take on too many tasks at once, leading to inefficiency.

• I struggle with setting realistic deadlines for projects.

• I sometimes get overwhelmed by the volume of work and lose focus.

Identified and mitigated complex risk of data security breach during transition.

• During a transition project, we identified the risk of a data security breach due to the transfer of sensitive information between systems.

• To mitigate this risk, we implemented strict access controls and encryption protocols for all data transfers.

• We also conducted thorough testing and validation of the security measures before and after the transition.

• As a result, we were able to successfully com...read more

Effective communication is the most critical skill for a Product Owner.

• Ability to clearly articulate product vision and priorities to the team

• Active listening to understand stakeholder needs and feedback

• Collaboration with cross-functional teams to ensure alignment and progress

• Negotiation skills to manage conflicting priorities and trade-offs

Yes, I have experience in process transition.

• Led a team through a software system upgrade

• Managed the transition of a project from development to production

• Implemented new processes for a more efficient workflow

Philips HIC is a research and development center focused on developing innovative healthcare solutions.

• Philips HIC stands for Philips Health Innovation Campus

• It is located in Bangalore, India

• The center focuses on developing healthcare solutions using AI, machine learning, and data analytics

• Philips HIC works on projects related to telehealth, radiology, and cardiology

• The center collaborates with hospitals, universities, and research institutions to develop new technologies

Finding a better channel partner involves thorough research, clear communication, and mutual understanding of goals.

• Identify your target market and ideal customer profile to determine the type of channel partner needed.

• Research potential partners' track record, reputation, and alignment with your brand values.

• Communicate clearly about expectations, goals, and support needed from the channel partner.

• Establish a mutually beneficial partnership agreement outlining roles, respons...read more

I thrive under pressure and perform at my best when faced with challenging situations.

• I have experience working in fast-paced environments where quick decision-making and problem-solving skills are essential.

• I am able to prioritize tasks effectively and remain calm under stressful situations.

• I have successfully met tight deadlines and exceeded sales targets even under high-pressure situations.

Design a URL shortener system to generate short URLs for long URLs.

• Use a unique identifier for each long URL to generate a short URL.

• Implement a mapping system to map short URLs to long URLs.

• Consider using a hashing algorithm to generate short URLs.

• Include a database to store mappings of short URLs to long URLs.

• Implement a redirect system to redirect short URLs to their corresponding long URLs.

Task priority can be set using priority levels or scheduling algorithms in firmware development.

• Use priority levels to assign importance to tasks

• Higher priority tasks are executed before lower priority tasks

• Implement scheduling algorithms like preemptive scheduling or round-robin scheduling to manage task priorities

I have used tools such as DMAIC, SIPOC, Fishbone Diagram, Control Charts, and Process Mapping in Six Sigma projects.

• DMAIC (Define, Measure, Analyze, Improve, Control) methodology for process improvement

• SIPOC (Supplier, Input, Process, Output, Customer) diagram for process mapping

• Fishbone Diagram (Ishikawa diagram) for root cause analysis

• Control Charts for monitoring process performance

• Process Mapping for visualizing and analyzing processes

Regression is a statistical method used to analyze the relationship between variables and predict outcomes.

• Regression models the relationship between a dependent variable and one or more independent variables.

• It works by finding the best-fit line that minimizes the sum of squared differences between the actual and predicted values.

• Examples include linear regression, polynomial regression, and logistic regression.

The main components of a transformer include the core, windings, and insulation.

• Core: Provides a path for the magnetic flux and is usually made of laminated steel.

• Windings: Consist of primary and secondary coils of wire wrapped around the core.

• Insulation: Prevents short circuits between the windings and ensures electrical safety.

• Examples: Core - laminated steel, Windings - copper wire, Insulation - varnish or paper

Binary tree is a tree data structure where each node has at most two children, heap is a specialized tree-based data structure, doubly linked list is a linked list where each node points to both the next and previous nodes.

• Binary tree: each node has at most two children, left child and right child. Example: binary search tree.

• Heap: a complete binary tree where the value of each node is greater than or equal to the values of its children (max heap) or less than or equal to the...read more

Managing multiple stakeholders involves effective communication, prioritization, and relationship-building.

• Establish clear communication channels with each stakeholder

• Understand the needs and expectations of each stakeholder

• Prioritize stakeholders based on their impact on the project

• Build strong relationships with stakeholders through regular updates and feedback

• Resolve conflicts and address concerns promptly

I have experience with technologies such as Java, Python, SQL, HTML, CSS, JavaScript, and Git.

• Java

• Python

• SQL

• HTML

• CSS

• JavaScript

• Git

Find all permutation pairs of given numbers.

• Use recursion to generate all possible permutations of the numbers.

• For each permutation, create a pair of strings with the two numbers swapped.

• Store the pairs in an array of strings.

Collaboration between sales and operations to balance demand and supply

• Collaboration between sales and operations

• Balancing demand and supply

• Regular review and adjustment of plans

• Effective communication and information sharing

• Alignment with overall business strategy

• Use of technology and data analysis

• Flexibility to adapt to changing market conditions

Root Cause Analysis is a methodical process used to identify the underlying cause of a problem or issue.

• Identify the problem or issue that needs to be analyzed

• Gather relevant data and information related to the problem

• Use tools like Fishbone Diagram, 5 Whys, or Fault Tree Analysis to identify possible causes

• Analyze the data to determine the root cause

• Develop and implement solutions to address the root cause

• Monitor and evaluate the effectiveness of the solutions

Random forest is an ensemble learning method for classification, regression and other tasks.

• Random forest builds multiple decision trees and combines their outputs to improve accuracy.

• It is a popular machine learning algorithm due to its high accuracy and ability to handle large datasets.

• Random forest can be used for both classification and regression tasks.

• It is resistant to overfitting and can handle missing data.

• Example: predicting whether a customer will buy a product bas...read more

Braking system design must consider weight and speed to ensure safe and efficient stopping.

• Consider the weight of the vehicle to determine the required braking force.

• Factor in the speed of the vehicle to calculate the stopping distance.

• Choose appropriate brake components such as pads, rotors, and calipers based on the weight and speed requirements.

• Ensure proper maintenance and testing of the braking system to guarantee optimal performance.

• Examples: Heavy trucks require strong...read more

Regularization in machine learning is a technique used to prevent overfitting by adding a penalty term to the model's loss function.

• Regularization helps in reducing the complexity of the model by penalizing large coefficients.

• Common types of regularization include L1 (Lasso) and L2 (Ridge) regularization.

• L1 regularization adds the absolute value of the coefficients to the loss function, promoting sparsity.

• L2 regularization adds the squared value of the coefficients to the los...read more

Cooling of transformers is essential to maintain optimal operating temperature and prevent overheating.

• Cooling methods include natural convection, forced air, oil-immersed cooling, and water-cooled systems

• Cooling fins or radiators are often used to increase surface area for heat dissipation

• Monitoring temperature and using cooling fans or pumps can help regulate transformer temperature

• Proper maintenance and regular inspection are crucial to ensure efficient cooling and prevent...read more

Critical problems can be solved by identifying the root cause, brainstorming solutions, and implementing the best one.

• Identify the root cause of the problem

• Brainstorm potential solutions with a team

• Evaluate each solution and choose the best one

• Implement the chosen solution and monitor its effectiveness

• Make adjustments as necessary

To prepare PMS plans, follow these steps: define objectives, identify target population, select data collection methods, determine data analysis techniques, establish timelines and milestones.

• Define the objectives of the post-market surveillance (PMS) plan.

• Identify the target population or patient group that will be monitored.

• Select appropriate data collection methods, such as surveys, interviews, or data analysis of existing databases.

• Determine the data analysis techniques t...read more

To check for stack overflow, monitor stack usage and set a limit to trigger an alert if exceeded.

• Monitor stack usage by tracking the stack pointer and comparing it to the stack size.

• Set a limit for stack usage and trigger an alert if the limit is exceeded.

• Use tools like stack analyzers or profilers to detect stack overflow.

• Implement stack canaries or guard zones to detect stack corruption.

Join is used to combine rows from two or more tables based on a related column between them. SQL queries are used to retrieve data from a database.

• Join is used to retrieve data from multiple tables based on a related column

• Types of joins include inner join, outer join, left join, and right join

• SQL queries are used to manipulate and retrieve data from a database

• Example: SELECT * FROM table1 INNER JOIN table2 ON table1.column = table2.column

malloc and free are functions used in C programming to dynamically allocate and deallocate memory.

• malloc is used to allocate a block of memory of a specified size.

• free is used to deallocate the memory previously allocated by malloc.

• malloc returns a pointer to the allocated memory, while free releases the memory back to the system.

• It is important to free the memory after it is no longer needed to avoid memory leaks.

Budgeting involves planning and managing financial resources to achieve organizational goals.

• Identify financial goals and objectives

• Estimate income and expenses

• Allocate funds to different departments or projects

• Monitor and track spending

• Adjust budget as needed based on actual financial performance

Neural network is a type of machine learning algorithm inspired by the structure and function of the human brain.

• Consists of layers of interconnected nodes that process information

• Used for tasks such as image recognition, natural language processing, and prediction

• Can be trained using supervised, unsupervised, or reinforcement learning

• Examples include convolutional neural networks, recurrent neural networks, and deep neural networks

To find the overlapping area between two rectangles, we need to determine the intersection of the two rectangles.

• Calculate the x and y coordinates of the overlapping region by finding the maximum of the left edges and the minimum of the right edges.

• Calculate the width and height of the overlapping region by subtracting the x and y coordinates.

• The area of overlap is the product of the width and height of the overlapping region.

Structure is a collection of different data types under one name, while union is a single memory location that can hold different data types at different times.

• Structure allows each member to have its own memory location, while union shares a single memory location for all members.

• In a structure, all members can be accessed simultaneously, while in a union, only one member can be accessed at a time.

• Example: struct Person { int age; char name[20]; }; union Data { int num; char...read more

A semaphore is a signaling mechanism while a mutex is a locking mechanism used to control access to shared resources in multithreaded environments.

• Semaphore is used to control access to a pool of resources, while mutex is used to control access to a single resource.

• Semaphores can be used to allow multiple threads to access a shared resource simultaneously, while mutex allows only one thread to access the resource at a time.

• Mutexes are typically faster than semaphores because ...read more

SOLID principles are a set of five design principles that help developers create more maintainable and scalable software.

• 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 of its subclasses without affecting the functionality.

• Interface Segrega...read more

Java and C++ are both object-oriented programming languages, but Java is platform-independent while C++ is platform-dependent.

• Java is platform-independent, meaning it can run on any platform with the help of JVM (Java Virtual Machine)

• C++ is platform-dependent, as it needs to be compiled separately for each platform

• Java has automatic garbage collection, while in C++ memory management is manual

• Java does not support pointers, while C++ does

• Java has a simpler syntax compared to C...read more

I'm sorry, but the question is incomplete. Could you please provide more information?

• Ask for clarification

• Request more details

• Express confusion

Quality can be measured through various metrics such as defect rates, customer satisfaction, and adherence to standards.

• Defect rates: Monitoring the number of defects found in products can indicate the level of quality control.

• Customer satisfaction: Surveys and feedback from customers can provide insights into the quality of products and services.

• Adherence to standards: Ensuring that products meet industry standards and regulations is a key measure of quality.

• Testing processe...read more

Key performance indicators (KPIs) used to measure the performance of hardware management.

• Inventory turnover rate

• Equipment downtime

• Maintenance costs

• Asset utilization

• Customer satisfaction

Sigma levels are used to measure the performance of a process and identify areas for improvement.

• Sigma levels range from 1 to 6, with higher levels indicating better performance and fewer defects.

• Each sigma level corresponds to a defect rate per million opportunities (DPMO).

• Organizations aim to achieve higher sigma levels to improve quality and reduce costs.

• Examples of sigma levels include Six Sigma, which aims for 3.4 defects per million opportunities, and Three Sigma, which...read more

Oops pillars refer to the principles of Object-Oriented Programming - Inheritance, Encapsulation, and Polymorphism.

• Inheritance: Allows a class to inherit properties and behavior from another class.

• Encapsulation: Bundling data and methods that operate on the data into a single unit.

• Polymorphism: Ability for objects to be treated as instances of their parent class.

A decision tree is a flowchart-like model that shows the possible outcomes of a decision based on certain conditions.

• It is a tree-like structure with nodes representing decisions and branches representing outcomes

• Each node has a condition that determines which branch to follow

• It is commonly used in machine learning for classification and regression tasks

• Example: A decision tree for predicting whether a customer will buy a product based on their age, income, and gender

OOPs stands for Object-Oriented Programming and has 4 main parts: Inheritance, Encapsulation, Polymorphism, and Abstraction.

• Inheritance: Allows a class to inherit properties and behavior from another class.

• Encapsulation: Bundles data and methods that operate on the data into a single unit.

• Polymorphism: Allows objects to be treated as instances of their parent class.

• Abstraction: Hides complex implementation details and only shows the necessary features.

Budget vs. Forecast involves comparing planned vs. predicted financial outcomes.

• Budget is a financial plan for a specific period, while forecast is a prediction of future financial outcomes.

• Budget is typically set at the beginning of a period, while forecasts are updated regularly based on new information.

• Budgets are usually more rigid and set in stone, while forecasts are more flexible and subject to change.

• Discrepancies between budget and forecast can help identify areas fo...read more

Functional requirements specify what the system should do, while nonfunctional requirements specify how the system should perform.

• Functional requirements describe the specific behavior or functions of the system.

• Nonfunctional requirements describe the quality attributes of the system such as performance, security, and usability.

• Functional requirements are typically easier to measure and test compared to nonfunctional requirements.

• Examples of functional requirements include us...read more

SQL is a relational database management system, while NoSQL is a non-relational database management system.

• SQL databases are table-based and have a predefined schema, while NoSQL databases are document-based, key-value pairs, graph databases, or wide-column stores.

• SQL databases are good for complex queries and transactions, while NoSQL databases are better for hierarchical data storage and real-time web applications.

• Examples of SQL databases include MySQL, Oracle, and Postgre...read more

List is mutable, tuple is immutable in Python.

• List can be modified after creation, tuple cannot.

• List uses square brackets [], tuple uses parentheses ().

• List is used for collections of items that may change, tuple for fixed collections.

Seeking new challenges and opportunities for growth in a different environment.

• Desire for career advancement

• Opportunity to learn new skills

• Seeking a more challenging role

• Company restructuring or downsizing

• Relocation to a new area

Teamwork is essential for success in any organization. Collaborating with team members to achieve common goals is key.

• Effective communication is crucial for successful teamwork

• Assigning roles and responsibilities based on team members' strengths

• Encouraging open dialogue and feedback among team members

• Recognizing and celebrating team achievements

• Resolving conflicts and addressing issues promptly

The project life cycle includes initiation, planning, execution, monitoring and controlling, and closure.

• Initiation: Define project scope, objectives, and stakeholders.

• Planning: Develop project plan, schedule, and budget.

• Execution: Implement project plan and deliverables.

• Monitoring and Controlling: Track progress, manage changes, and ensure quality.

• Closure: Finalize project, hand over deliverables, and evaluate success.

Custom smart pointer implementation in C++

• Use templates to create a generic smart pointer class

• Implement overloaded operators like * and -> for pointer-like behavior

• Manage memory allocation and deallocation using reference counting

• Example: CustomSmartPointer ptr(new int(5));

Design a library system for managing books and patrons

• Create a database to store information about books, patrons, and transactions

• Implement a user-friendly interface for patrons to search and borrow books

• Include features like book reservations, late fees, and book recommendations

• Utilize RFID technology for efficient book tracking and inventory management

I have 5 years of experience as a Maintenance Fitter in a manufacturing plant.

• Performed routine maintenance on machinery and equipment

• Diagnosed and repaired mechanical issues

• Implemented preventative maintenance schedules

• Collaborated with other team members to troubleshoot complex problems