Hpcl Mumbai Refinery Interview Questions and Answers

Pre-commissioning and commissioning field operator is responsible for ensuring the smooth functioning of equipment and systems during the start-up phase of a refinery or oil and gas plant.

• Conducting pre-commissioning checks and tests on equipment and systems

• Assisting in the commissioning of equipment and systems

• Troubleshooting and resolving issues during start-up phase

• Ensuring compliance with safety regulations and pro...read more

As a Field Operator, I monitor plant process instruments for pressure, temperature, level, etc.

• Regularly check and calibrate instruments to ensure accurate readings

• Record and report any abnormalities or deviations in readings

• Take corrective actions as necessary to maintain safe and efficient operations

• Collaborate with other team members to troubleshoot and resolve issues

• Follow standard operating procedures and safety p...read more

As a Field Operator, I have experience in participating and assisting in plant start-up, shutdown, troubleshooting, and emergency situations to ensure efficient and normalized plant operations.

• I have experience in following standard operating procedures during plant start-up and shutdown.

• I am skilled in identifying and resolving issues that may arise during plant operations.

• I have experience in responding to emergency ...read more

PTW system ensures safety by controlling work activities through a permit process.

• PTW system is a formal written procedure used to control high-risk activities

• It ensures that all necessary safety precautions are taken before work begins

• PTW system involves obtaining a permit before starting any high-risk work

• The permit outlines the work to be done, the hazards involved, and the precautions to be taken

• The permit is signe...read more

Overhauling steam turbine involves disassembling, inspecting, repairing, and reassembling the turbine components.

• Disassemble the turbine and inspect all components for wear and damage

• Repair or replace damaged components

• Clean and reassemble the turbine

• Perform necessary tests to ensure proper functioning

• Document all work performed for future reference

Commissioning is the process of ensuring that a system, equipment, or facility is installed, tested, and operated according to its design and intended function.

• Commissioning involves a series of activities to verify and validate the performance of a system or equipment.

• It includes activities such as installation, inspection, testing, and functional checks.

• Commissioning ensures that all components of a system are workin...read more

Commissioning activities involve testing, inspecting, and verifying the functionality of equipment and systems before they are put into operation.

• Testing and calibrating equipment

• Inspecting and verifying system components

• Performing functional tests

• Troubleshooting and resolving issues

• Documenting and reporting findings

• Training operators on equipment operation

• Ensuring compliance with safety regulations

Pump startup involves a series of steps to ensure proper functioning and performance.

• Inspect the pump and surrounding area for any damage or leaks.

• Check the pump's power supply and ensure it is properly connected.

• Open the pump's suction and discharge valves.

• Prime the pump by filling it with the fluid it will be pumping.

• Start the pump motor and gradually increase the speed.

• Monitor the pump's performance and adjust as ne...read more

Shoot blowers are used in furnaces to remove ash and other debris from the combustion chamber.

• Shoot blowers help maintain the efficiency of the furnace by preventing the build-up of ash and other deposits.

• They improve the combustion process by ensuring proper air and fuel flow.

• Shoot blowers can also help in reducing emissions by removing particulate matter from the combustion chamber.

• Examples of shoot blowers include s...read more

An ejector works on the principle of converting pressure energy into velocity energy to create a vacuum.

• An ejector consists of a motive fluid nozzle, a suction chamber, and a diffuser.

• The motive fluid, usually a high-pressure gas or liquid, is forced through the nozzle, creating a high-velocity jet.

• This high-velocity jet entrains and mixes with the suction fluid, which could be a gas or liquid at a lower pressure.

• The m...read more

Absorption is the process by which one substance is taken in or incorporated into another.

• Absorption occurs when a substance is absorbed or soaked up by another substance.

• It is a common process in various fields such as chemistry, biology, and physics.

• In chemistry, absorption refers to the process of a substance being dissolved or taken up by another substance.

• In biology, absorption refers to the process by which nutri...read more