Petronas Interview Questions and Answers

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 knowledge to operate the platform efficiently.

• Continuous ...read more

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.

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 downward.

• Exhaust stroke: The exhaust valve opens and the pi...read more

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 high-pressure gas, increasing its temperature.

• The hot, high...read more

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 ASA, Palo Alto Networks, and pfSense

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

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

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