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Petronas Interview Questions, Process, and Tips

Updated 16 Nov 2024

Top Petronas Interview Questions and Answers

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6 interviews found

Data Engineer Interview Questions & Answers

user image Anonymous

posted on 16 Nov 2024

Interview experience
5
Excellent
Difficulty level
-
Process Duration
-
Result
-
Round 1 - One-on-one 

(2 Questions)

  • Q1. Questions about AWS services
  • Q2. Data manipulation using Python
  • Ans. 

    Python is commonly used for data manipulation tasks due to its powerful libraries like Pandas and NumPy.

    • Use Pandas library for data manipulation tasks in Python

    • Pandas provides data structures like DataFrame for easy manipulation

    • Use NumPy for numerical operations on data arrays

    • Example: df['new_column'] = df['column1'] + df['column2']

  • Answered by AI

Skills evaluated in this interview

Data Engineer Interview Questions asked at other Companies

Q1. Optimal Strategy for a Coin Game You are playing a coin game with your friend Ninjax. There are N coins placed in a straight line. Here are the rules of the game: 1. Each coin has a value associated with it. 2. The game involves two players... read more
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Lead Data Scientist Interview Questions & Answers

user image Shreyas Donki

posted on 12 Mar 2024

Interview experience
3
Average
Difficulty level
-
Process Duration
-
Result
-
Round 1 - Aptitude Test 

Interview questions for legal executive position at a Real Estate firm in Bangalore karnataka

Round 2 - Coding Test 

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Round 3 - Case Study 

Cccc dsdxv ddsss dddddd ewjjvv seyjn

Interview Preparation Tips

Interview preparation tips for other job seekers - 1. Can you demonstrate a deep understanding of Karnataka's specific real estate laws and regulations, and how they may impact the firm's operations?

2. How do you navigate and address the unique challenges posed by local land acquisition laws and processes in Bangalore?

3. Given the cultural and linguistic diversity in Karnataka, how do you adapt your communication and legal strategies to ensure effective collaboration with various stakeholders?

4. Can you provide examples of your experience in handling property title searches and due diligence specifically within the legal framework of Karnataka?

5. Describe your approach to resolving disputes related to real estate transactions in Bangalore, considering local legal nuances and alternative dispute resolution mechanisms.

6. How do you stay informed about local government policies and initiatives that may impact real estate development in Bangalore, and how do you integrate this knowledge into your legal advice?

7. In the context of real estate contracts, what measures do you take to ensure they align with Karnataka's legal requirements and safeguard the firm's interests?

8. Discuss your familiarity with Bangalore's zoning and land use regulations, and how you incorporate this knowledge into legal counsel for real estate development projects.

9. Can you share insights into your experience with Karnataka's stamp duty and registration processes, and how you optimize these aspects for the firm?

10. Given the rapid growth in the tech industry in Bangalore, how do you address legal considerations related to real estate transactions involving technology companies and innovation hubs in the region?

Lead Data Scientist Interview Questions asked at other Companies

Q1. 1) How many weeks should be considered for testing any new change to a billing system in stores? Methodology to arrive at the weeks? 2) Explain ability of a model - Shapio package? 3) Intermediate SQL - moving 3 months average? Can be solve... read more
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Petronas Interview Questions and Answers for Freshers
illustration image
Interview experience
3
Average
Difficulty level
Hard
Process Duration
Less than 2 weeks
Result
No response

I applied via Walk-in and was interviewed in Oct 2023. There was 1 interview round.

Round 1 - Technical 

(3 Questions)

  • Q1. Explain OS layer
  • Ans. 

    The OS layer is the software layer that manages hardware resources and provides a platform for running applications.

    • Manages hardware resources such as CPU, memory, and storage

    • Provides a platform for running applications and managing processes

    • Handles input/output operations and communication between hardware and software

    • Examples include Windows, macOS, Linux, iOS, Android

  • Answered by AI
  • Q2. How does Firewall work
  • Ans. 

    A firewall is a network security system that monitors and controls incoming and outgoing network traffic based on predetermined security rules.

    • Acts as a barrier between a trusted internal network and untrusted external network

    • Filters traffic based on rules set by network administrators

    • Can be hardware-based or software-based

    • Can block or allow traffic based on IP addresses, ports, protocols, etc.

    • Examples include Cisco AS

  • Answered by AI
  • Q3. Explain TCP three-way handshake method
  • Ans. 

    TCP three-way handshake is a method used to establish a connection between a client and a server in a TCP/IP network.

    • Client sends a SYN packet to the server to initiate the connection

    • Server responds with a SYN-ACK packet to acknowledge the request

    • Client sends an ACK packet back to the server to confirm the connection

    • Connection is now established and data transfer can begin

  • Answered by AI

Interview Preparation Tips

Interview preparation tips for other job seekers - Refresh Technical question

Skills evaluated in this interview

Security Engineer Interview Questions asked at other Companies

Q1. 1. What is Cryptography? Cryptography is the practice and study of techniques for securing information and communication mainly to protect the data from third parties that the data is not intended for. 2. What is the difference between Symm... read more
View answer (25)
Interview experience
4
Good
Difficulty level
Moderate
Process Duration
2-4 weeks
Result
Selected Selected

I was interviewed before Nov 2023.

Round 1 - HR 

(2 Questions)

  • Q1. Tell me about yourself?
  • Q2. One of the biggest Achivement?
  • Ans. 

    One of my biggest achievements was successfully leading a team to complete a complex project ahead of schedule and under budget.

    • Led a team to complete a complex project ahead of schedule

    • Managed resources effectively to stay under budget

    • Received recognition for successful project completion

  • Answered by AI
Round 2 - Technical 

(3 Questions)

  • Q1. Tell me about refrigeration cycle
  • Ans. 

    Refrigeration cycle is a process in which a refrigerant absorbs heat from a low-temperature space and rejects it in a high-temperature space.

    • The refrigeration cycle consists of four main components: compressor, condenser, expansion valve, and evaporator.

    • The refrigerant starts as a low-pressure gas in the evaporator where it absorbs heat from the space being cooled.

    • The compressor then compresses the refrigerant into a h...

  • Answered by AI
  • Q2. How work of four stroke cycle engine?
  • Ans. 

    Four stroke cycle engine works by completing four distinct processes - intake, compression, power, and exhaust strokes.

    • Intake stroke: Air-fuel mixture is drawn into the cylinder as the piston moves downward.

    • Compression stroke: The intake valve closes and the piston compresses the mixture, preparing it for ignition.

    • Power stroke: The spark plug ignites the compressed mixture, causing an explosion that drives the piston d...

  • Answered by AI
  • Q3. How you handle when you set back?

Interview Preparation Tips

Interview preparation tips for other job seekers - Be confident yourself

Mechanical Technician Interview Questions asked at other Companies

Q1. 1. During confined space job , what is the role of safety watch ? 2. Alignment method of pump and motor. 3. Different type of Gasket , valves using in plant. 4. Compressor type and trouble shooting of reciprocating compressor.
View answer (2)

Petronas interview questions for popular designations

 DCS Panel Operator

 (1)

 Security Engineer

 (1)

 Mechanical Technician

 (1)

 SAP BI Consultant

 (1)

 Data Engineer

 (1)

 Lead Data Scientist

 (1)

I applied via Company Website and was interviewed before Dec 2020. There was 1 interview round.

Interview Questionnaire 

1 Question

  • Q1. How to maintain smooth platform operation ?
  • Ans. 

    To maintain smooth platform operation, it is important to focus on regular maintenance, effective communication, proper training, and continuous monitoring.

    • Regular maintenance of equipment and systems to prevent breakdowns and ensure optimal performance.

    • Effective communication among team members to coordinate tasks and address any issues promptly.

    • Proper training of operators to ensure they have the necessary skills and...

  • Answered by AI

Interview Preparation Tips

Interview preparation tips for other job seekers - Just be you durung interiview

DCS Panel Operator Interview Questions asked at other Companies

Q1. How to maintain smooth platform operation ?
View answer (2)

Interview Questionnaire 

2 Questions

  • Q1. What is your view of Data ? Why data is important ?
  • Ans. 

    Data is the foundation of decision-making and problem-solving.

    • Data provides insights into trends and patterns.

    • Data helps in identifying opportunities and risks.

    • Data enables informed decision-making and problem-solving.

    • Data is essential for measuring performance and progress.

    • Data is critical for compliance and regulatory requirements.

  • Answered by AI
  • Q2. Data has same value as money when it's used and maintained with Quality. Helps improve business and guide to growth.

SAP BI Consultant Interview Questions asked at other Companies

Q1. what is your view of Data ? Why data is important ?
View answer (1)

Interview questions from similar companies

I applied via Company Website and was interviewed before Dec 2020. There were 4 interview rounds.

Interview Questionnaire 

1 Question

  • Q1. Questions on Java,SQL,some trending technologies(IOT,Big data),pattern questions, programming questions with different approaches.

Interview Preparation Tips

Interview preparation tips for other job seekers - Prepare basics of DSA, have knowledge about the databases, some common dml ,ddl statements, programming knowledge of a particular language like C,Java, python,etc...have good command on oops concepts... little bit of frameworks knowledge will also help

I applied via Referral and was interviewed before Jan 2021. There was 1 interview round.

Interview Questionnaire 

1 Question

  • Q1. Java questions

Interview Preparation Tips

Interview preparation tips for other job seekers - Prepare basic questions

I applied via Campus Placement and was interviewed before Feb 2021. There were 3 interview rounds.

Round 1 - Aptitude Test 

Aptitude round consists Logical reasoning, General Aptitude, Grammar related questions etc. All are moderate level questions.

Round 2 - Technical 

(3 Questions)

  • Q1. Explain OOPs w.r.t Java
  • Ans. 

    OOPs is a programming paradigm that uses objects to represent real-world entities. Java is an OOPs language.

    • OOPs stands for Object-Oriented Programming System

    • Java is a class-based OOPs language

    • Encapsulation, Inheritance, Polymorphism, and Abstraction are the four pillars of OOPs

    • Objects have state and behavior

    • Java supports interfaces, which allow for multiple inheritance

    • Example: A car can be represented as an object wit...

  • Answered by AI
  • Q2. Explain about the projects that you have worked on
  • Q3. Explain how Java solves machine dependency of code execution
  • Ans. 

    Java solves machine dependency by using bytecode and virtual machine.

    • Java code is compiled into bytecode which is platform-independent

    • The bytecode is executed by the Java Virtual Machine (JVM) which is platform-specific

    • JVM translates bytecode into machine code for the specific platform

    • This allows Java code to run on any platform with a JVM installed

    • Example: A Java program compiled on Windows can run on Linux or Mac as

  • Answered by AI
Round 3 - HR 

(2 Questions)

  • Q1. Why should we hire you?
  • Q2. Tell me about yourself.

Interview Preparation Tips

Topics to prepare for Infosys System Engineer interview:
  • Java
Interview preparation tips for other job seekers - Keep it simple, Prepare basics of 1st preferred Programming Language.

Skills evaluated in this interview

I applied via Campus Placement and was interviewed before May 2021. There were 2 interview rounds.

Round 1 - Aptitude Test 

Numerical ability and logical reasoning followed by some coding mcqs

Round 2 - Technical 

(1 Question)

  • Q1. Print 1 to 100 without for loop
  • Ans. 

    Printing 1 to 100 without for loop

    • Use recursion to print numbers from 1 to 99

    • Print 100 outside the recursion

    • Use a base case to stop recursion at 100

  • Answered by AI

Interview Preparation Tips

Interview preparation tips for other job seekers - Prepare from interview bit and practice mcqs
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Petronas Interview FAQs

How many rounds are there in Petronas interview?
Petronas interview process usually has 1-2 rounds. The most common rounds in the Petronas interview process are Technical, Aptitude Test and Coding Test.
What are the top questions asked in Petronas interview?

Some of the top questions asked at the Petronas interview -

  1. How to maintain smooth platform operatio...read more
  2. what is your view of Data ? Why data is importan...read more
  3. How work of four stroke cycle engi...read more

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Petronas Interview Process

based on 5 interviews

Interview experience

4
  
Good
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based on 66 reviews

4.3/5

Rating in categories

4.1

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3.8

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3.9

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3.8

Company culture

3.7

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3.9

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