ExxonMobil Test Operations Knowledge 1 — Questions and Answers
Question 1: Which ExxonMobil business segment focuses on finding and extracting crude oil and natural gas reserves?
- Upstream (Correct answer)
- Downstream
- Chemical
- Midstream
Correct answer: Upstream
ExxonMobil's Upstream segment is responsible for exploration and production of crude oil and natural gas.
Question 2: What is the primary product of the crude oil distillation unit in an ExxonMobil refinery?
- Separated petroleum fractions by boiling point (Correct answer)
- Pure methane gas
- Refined drinking water
- High-purity carbon black
Correct answer: Separated petroleum fractions by boiling point
The crude distillation unit separates crude oil into fractions — gasoline, kerosene, diesel, fuel oil — based on boiling points.
Question 3: What does the term 'API gravity' measure in crude oil classification?
- The density of crude oil relative to water (Correct answer)
- The sulfur content of crude oil
- The viscosity of crude oil
- The flash point of crude oil
Correct answer: The density of crude oil relative to water
API gravity is an inverse measure of crude oil's density relative to water; higher API = lighter crude.
Question 4: ExxonMobil's Permian Basin operations in Texas and New Mexico are classified as which type of resource?
- Tight oil (unconventional shale) (Correct answer)
- Deep-water offshore
- Oil sands
- Conventional vertical well
Correct answer: Tight oil (unconventional shale)
The Permian Basin primarily produces tight oil (light tight oil) from shale formations using hydraulic fracturing.
Question 5: What is the role of a 'flare stack' at an ExxonMobil facility?
- To safely combust excess gas or emergency pressure releases (Correct answer)
- To generate electricity from waste heat
- To signal the start of a new production cycle
- To cool down overheated equipment
Correct answer: To safely combust excess gas or emergency pressure releases
Flare stacks burn off gases that cannot be processed or stored, safely managing pressure surges and emergency releases.
Question 6: Which type of maintenance involves performing repairs based on a scheduled calendar interval regardless of equipment condition?
- Preventive maintenance (Correct answer)
- Predictive maintenance
- Corrective maintenance
- Condition-based maintenance
Correct answer: Preventive maintenance
Preventive maintenance is scheduled at fixed time intervals to prevent failures, regardless of current equipment status.
Which ExxonMobil business segment focuses on finding and extracting crude oil and natural gas reserves?