egee 101 exam 2 questions

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Methane turns into liquid at

-164 C

which of the following is not a greenhouse gas?

helium

The formula for paraffin cyclohexane is

C6H14

All of the oil in a reservoir can be recovered.

false

what is the main use for petroleum?

transportation

The sweetening process removes H2S.

true

which size of particulates are the most harmful to human health?

.1 micron to 2.0 microns

how much did the temperature warm from 1850 to 2007?

.85 degrees Celsius

Approximately how much stronger do climate models predict extreme weather like hurricanes will become by 2100?

10% stronger

If a cycloparaffin compound has six carbon atoms, how many hydrogen atoms are present in the molecule?

12

If a paraffin compound has 8 carbon atoms, how many hydrogen atoms are present in the molecule?

18

At current reserves, how long will coal last?

283 years

How many years could Coal-to-Liquids technology extend our petroleum use?

30 years

At current reserves, how long will natural gas last?

86 years

what percentage of captured CO2 is used for enhanced oil recovery?

88%

According to the IPCC, climate scientists assign what % of certainty that burning of fossil fuels is responsible for the warming of the last century?

95% certainty

Sour natural gas contains

H2S

who was the first to use petroleum for petrol and not kerosene?

Rockefeller

what is the best way to reduce energy use in your home?

add insulation

Based on what property does the distillation column separate crude oil into different fractions?

boiling point

which of the fossil fuels are regional commodities with regional prices?

coal and natural gas

What is the process of breaking of heavy molecules into lighter hydrocarbons called?

cracking

what two methods are used to mine coal?

deep mining and mountaintop removal

API gravity is a measure of what?

density of crude oil

What is the separation of materials based on differences in the volatility called?

distillation

what is the primary use of natural gas?

electric power generation, heating and cooking in buildings, industrial use

H2S is desirable in natural gas.

false

Knocking is a desirable feature in a four stroke engine.

false

how much carbon dioxide have we emitted into the atmosphere by burning fossil fuels since the industrial revolution?

half a trillion tons

Which of the following compound has an octane rating of 0?

heptane

how do climate scientists reconstruct past temperatures?

ice cores, tree rings, ship logs, satellites

which of the following is a major home energy user?

lighting and televisions

which coal rank has the highest percentage of volatiles?

lignite

Viscosity of a lubricating oil should be

lower

Methane hydrates are crystallized mounds of

methane and water

which fossil fuel releases the lowest amount of CO2 at combustion?

natural gas

Mercaptans are added to give

natural gas an odor

is the US a net importer or exporter of natural gas?

net exporter

does fracking cause methane to leak into fresh water aquifers?

no, poorly installed casings do that

Which among the following reservoirs produce the best crude oil?

old deep

which of the following would be a light crude oil?

one with API gravity of 42

Which hydrocarbons have straight or branched chains of carbon atoms?

paraffins

which process removes carbon dioxide from the atmosphere?

absorbed by the ocean

which is the highest rank coal?

anthracite

Natural gas has high CO2 emissions compared to coal.

false

what were the main contributions to the BP oil spill in 2010?

human error and effective compression

hydrocarbons refers to which two elements?

hydrogen and carbon

What does a higher octane number signify?

lesser likelihood of knocking

oil and natural gas typically form in what environment?

marine life preserved at the bottom of deep lakes

How do you define density?

mass per unit volume

what is the main component of natural gas?

methane

which of the following best describes a potential environmental hazard from shale gas?

methane emissions into the air and contamination of drinking water with methane

which fossil fuel has the highest heating value per LB?

natural gas

Which of the following recovery methods takes advantage of significant oil pressure in the reservoir?

primary

heavy bitumen stuck to sand grains is called what?

tar sands

What recovery method uses steam, chemicals or bugs?

tertiary

What is the problem with aromatics in the petroleum industry?

they are carcinogenic

which type of coal is typically not used in power plants?

anthracite

coal is formed in what environment?

plants in a humid, swamp environment

when a large volcano erupts, what is the short term (1-3) year effect on earth's climate?

temperatures will decrease by .1 C

Wet natural gas contains other hydrocarbons.

true

Which of the following media is used in secondary recovery method?

water

Which hydrocarbons have benzene and rings of benzene?

aromatics

Natural gas has low combustion efficiency.

false

Natural gas has the lowest calorific value among all the fossil fuels.

false

Reservoir rock is a rock that produces crude oil.

false

The dehydrator removes H2S.

false

Transcontinental transportation is done through pipelines.

false

weather and climate are the same thing

false

Which place converts crude oil into useful products such as gasoline, fuel oil, waxes or asphalt?

refinery

Which of the following processes change the shape of a molecule?

reforming

most of the added natural gas reserves in the US in the past decade have come from

shale gas

How long has hydraulic fracturing "fracking" been being performed in the US?

since 1947

The desired hydrocarbons in a diesel fuel are

straight chain hydrocarbons

which of the following is used to extract more high value products from petroleum refining?

the cracker and the reformer

Coal bed methane occurs in coal mines.

true

Flash point is the temperature at which the oil starts to ignite

true

Natural gas is mainly transported in pipelines under high pressure.

true

One barrel of oil (42 gallons) produces more than a barrel of products.

true

Pour point is the temperature at which the oil starts to flow.

true

Smaller molecules tend to have lower viscosity

true

Viscosity, density and odor are properties that are all related to the geological history of crude oil.

true

at low concentrations, doubling the concentration of a chemical typically doubles its effect

true


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