ExxonMobil Test ExxonMobil Operations Knowledge 3

Question 1

What is the primary difference between 'upstream' and 'downstream' operations at ExxonMobil?

Accepted Answer

Upstream involves exploration and production; downstream involves refining and marketing

Answer

Upstream refers to exploration and production of oil and gas; downstream covers refining, distribution, and marketing of finished products.

Question 2

In petroleum processing, what is 'coking'?

Accepted Answer

Thermal cracking of residual oil to produce lighter products and petroleum coke

Answer

Coking thermally cracks the heaviest residual oils to produce lighter products (gas, naphtha, diesel) and a solid petroleum coke byproduct.

Question 3

What does 'throughput' measure in refinery operations?

Accepted Answer

The volume of crude oil or feedstock processed in a given time period

Answer

Throughput is the volume of crude oil or feedstock that a refinery processes over a specific time period, typically measured in barrels per day.

Question 4

In ExxonMobil's chemical segment, what are 'olefins' primarily used for?

Accepted Answer

As building blocks for plastics, synthetic fibers, and other petrochemicals

Answer

Olefins like ethylene and propylene are key feedstocks for manufacturing plastics, synthetic fibers, detergents, and many other petrochemicals.

Question 5

What is the purpose of a custody transfer meter in oil and gas operations?

Accepted Answer

To accurately measure the quantity of oil or gas transferred between ownership parties

Answer

Custody transfer meters provide the legally recognized, high-accuracy measurements of oil or gas volumes when ownership changes between parties.

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