ExxonMobil Test ExxonMobil Operations Knowledge 2

Question 1

In upstream oil and gas operations, what does 'completion' refer to?

Accepted Answer

The process of making a drilled well ready for production

Answer

The final processing of crude oil at a refinery

Answer

Shutting down a well at the end of its life

Answer

Finishing the pipeline connection to a wellhead

Question 2

What is the purpose of gas flaring at ExxonMobil facilities?

Accepted Answer

To safely combust excess or waste gas that cannot be captured

Answer

To generate electricity from waste gas

Answer

To signal the location of the facility to aircraft

Answer

To test the quality of natural gas produced

Question 3

In natural gas processing, what is a 'sweetening' unit designed to remove?

Accepted Answer

Hydrogen sulfide (H2S) and CO2

Answer

Water vapor

Answer

Heavy hydrocarbons

Answer

Nitrogen and oxygen

Question 4

What does 'barrel of oil equivalent' (BOE) measure?

Accepted Answer

A unit standardizing different energy sources to the energy content of one barrel of crude oil

Answer

The volume of a standard oil barrel

Answer

The cost of processing one barrel of crude oil

Answer

The emissions generated from burning one barrel of oil

Question 5

What is the primary function of a flue gas desulfurization (FGD) unit at an ExxonMobil refinery?

Accepted Answer

To remove sulfur dioxide (SO2) from stack emissions

Answer

To recover sulfur for sale as a byproduct

Answer

To process sour crude with high sulfur content

Answer

To generate sulfuric acid for industrial use

Question 6

In a distributed control system (DCS) at a refinery, what is the primary role of the operator?

Accepted Answer

To monitor process parameters and make control adjustments from a central console

Answer

To manually operate all valves and pumps on the plant floor

Answer

To calibrate all instruments and sensors in the plant

Answer

To generate daily production and maintenance reports