Chemistry ยท General Awareness
Carbon and Fossil Fuels
1,898 Questions
Review fundamental concepts regarding carbon compounds, coal distillation, and fossil fuel formation. This segment covers the chemical properties and industrial applications of natural gas and crude oil. Practicing these questions will strengthen your chemistry foundation for general science sections.
Coal distillationPetroleum formationProperties of crude oilNatural gas applications
Carbon and Fossil Fuels Questions
Which of the following is NOT a common type of lubricant used in metallurgical plants?
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Oil
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Grease
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Solid lubricants
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Water
D
Correct answer
Explanation
Water is not a common type of lubricant used in metallurgical plants because it does not provide sufficient lubrication and can cause corrosion.
Which of the following is an example of ignitable hazardous waste?
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Gasoline
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Diesel fuel
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Paint thinner
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Acetone
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All of the above
E
Correct answer
Explanation
Ignitable hazardous waste is waste that has a flash point of less than 140 degrees Fahrenheit.
Which of the following is NOT a type of fire suppression tactic used in forest firefighting?
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Direct attack
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Indirect attack
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Containment
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Mop-up
D
Correct answer
Explanation
Mop-up is not a fire suppression tactic, but rather the process of extinguishing remaining embers and hotspots after a fire has been contained.
Which of the following is a common method for stimulating production from a hydrocarbon reservoir?
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Hydraulic fracturing
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Acidizing
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Gas lift
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All of the above
D
Correct answer
Explanation
Hydraulic fracturing, acidizing, and gas lift are all common methods for stimulating production from a hydrocarbon reservoir.
Which of the following is a common method for storing oil and gas?
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Above-ground storage tanks
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Underground storage caverns
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Floating storage and regasification units
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All of the above
D
Correct answer
Explanation
Above-ground storage tanks, underground storage caverns, and floating storage and regasification units are all common methods for storing oil and gas.
Which of the following is a common type of fire in manufacturing environments?
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Electrical fires
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Flammable liquid fires
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Combustible solid fires
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All of the above
D
Correct answer
Explanation
Electrical fires, flammable liquid fires, and combustible solid fires are all common types of fires in manufacturing environments.
Which of the following technologies is commonly used for carbon capture?
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Post-combustion capture
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Pre-combustion capture
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Oxyfuel combustion
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All of the above
D
Correct answer
Explanation
Carbon capture technologies include post-combustion capture, which involves capturing CO2 from flue gases after combustion; pre-combustion capture, which captures CO2 from fuel before combustion; and oxyfuel combustion, which uses pure oxygen instead of air for combustion, resulting in a concentrated stream of CO2.
Which technology involves injecting CO2 into underground geological formations for enhanced oil recovery?
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Carbon capture and storage
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Carbon capture and utilization
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Enhanced oil recovery
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Direct air capture
C
Correct answer
Explanation
Enhanced oil recovery is a technique that involves injecting CO2 into underground oil reservoirs to increase oil production. This process also contributes to carbon storage by keeping CO2 underground.
Which of the following is a common method for capturing CO2 from industrial sources?
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Post-combustion capture
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Pre-combustion capture
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Oxyfuel combustion
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Chemical looping combustion
A
Correct answer
Explanation
Post-combustion capture involves capturing CO2 from the flue gas of industrial plants after the fuel has been burned. This method is widely used due to its compatibility with existing infrastructure and relatively low cost.
Which of the following is a potential application of carbon capture and utilization (CCU) technologies?
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Production of synthetic fuels
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Enhanced oil recovery (EOR)
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Manufacturing of building materials
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Production of chemicals and plastics
A
Correct answer
Explanation
CCU technologies aim to utilize captured CO2 as a feedstock for various industrial processes. One potential application is the production of synthetic fuels, such as methanol or gasoline, which can be used as transportation fuels.
Which of the following is NOT a common method for capturing carbon dioxide from industrial emissions?
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Post-combustion capture
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Pre-combustion capture
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Direct air capture
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Oxyfuel combustion
C
Correct answer
Explanation
Direct air capture involves capturing carbon dioxide directly from the ambient air, while the other options are methods for capturing carbon dioxide from industrial emissions.
What is the legal framework governing the exploration and production of oil and gas?
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The Petroleum Act
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The Oil and Gas Act
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The Hydrocarbons Act
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The Energy Act
A
Correct answer
Explanation
The Petroleum Act is the primary legislation governing the exploration and production of oil and gas in many countries.
What is the primary fuel used in a tandoor oven?
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Wood
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Charcoal
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Gas
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Electricity
B
Correct answer
Explanation
Charcoal is the preferred fuel for tandoor ovens, as it provides consistent heat and a smoky flavor to the food.
What is the primary fuel used in cement production?
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Coal
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Natural gas
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Petroleum
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Biomass
A
Correct answer
Explanation
Coal is the primary fuel used in cement production, accounting for around 70% of total fuel consumption.
Which industrial process is most likely to benefit from fuel switching?
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Natural gas production and distribution
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Coal mining
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Landfills
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Wastewater treatment
A
Correct answer
Explanation
Natural gas production and distribution is the largest source of methane (CH4) emissions in industrial processes, and therefore has the greatest potential for emissions reductions through fuel switching.