egee 101 exam 2 questions
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
