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Materials and Fluids
Materials and Fluids
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Test your knowledge on the properties of materials and the flow of fluids
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Answers
1
"
China
is the largest consumer of electricity in the world." Make it true.
Russia is the largest comsumer of electricity in the world.
The United States is the largest consumer of electricity in the world.
2
What are the two major threats to fresh water?
human activities and dams
irrigation of crops and human activities
wasteful practice and human activities
wasteful practices and droughts
3
The US is the largest producer of nuclear energy in the world.
True
False
4
What is one of the pros of using coal for power?
it only takes a little bit of coal to produce power
it is non-renewable
it is cheap
it is 100% efficient
5
What is nuclear fission?
when uranium is burned to produce power
when two compounds hit each other producing power
when coal is burned to produce power
when two atoms hit eachother producing power
6
Hotter
water holds more dissolved oxygen than
colder
water.
Temperate water holds more dissolved oxygen than cooler water.
Colder water holds more dissolved oxygen than hotter water.
7
What is shock loading?
Large amounts of pollutants are transported to a water body very quickly
when dissolved oxygen levels suddenly drop and lead to fish kills
when hot water is quickly released from a nuclear power plant
when large amounts of water overwhelm a wastewater treatment facility
8
What is not one of the ways coal is extracted from the earth?
surface mining
fracking
underground mining
mountaintop removal
9
We have two creeks; creek A is 70° Fahrenheit and creek B is 60° Fahrenheit. Which has a higher dissolved oxygen?
Creek A
Creek B
10
Bioremediation is the process of using living things to break down pollutants.
True
False
11
What was one of the most famous examples of water resource engineering?
Panama Canal
CHickamauga Dam
Hoover Dam
Chattanooga Wastewater Treatment Plant
12
"There are
no
problems
or downsides when using nuclear energy." Make it true.
Radioactivity is a downside when using nuclear energy.
Water pollution is a downside when using nuclear energy.
13
What duties do geomatics engineers perform?
Measure and analyze information about land, oceans, and natural resources
Design and manage canals, city water systems, and stormwater drainage
Focus on the safe and efficient movement of people in transportation
Manage, coordinate, and organize materials and workers to stay on budget.
14
Describe precipitation.
water heating up and rising into the air
water cooling and coming together to form droplets
water falling down from clouds
water entering the air from plants
15
Environmental science is an interdisciplinary study. Name four subjects that are important to environmental science.
politics
economics
literature
dance
chemistry
biology
16
Describe runoff.
when your dog gets out of the fence
when water rolls over impervious surfaces and picks up pollutants
running a footrace
17
"Porosity is
the measure of the ease with which fluids can flow through materials
." Make it true.
Porosity is the measure of the space between grains
Porosity is the amount of matter in an object.
18
What are three forces that act on structures?
reverse
strengthening
expansion
shear
tension
compression
19
A bicycle is considered a structure.
True
False
20
When looking at two drinking water sources, Site A has a pH of 7 and Site B has a pH of 5. Which site has acidic water?
Just Site B
Both Site A and Site B
Neither Site A nor Site B
Just site A
21
In chemistry, what is the smallest particle of matter?
element
atom
compound
molecule
22
What is the power source in nuclear energy?
uranium
plutonium
the Flux Capacitor
kryptonium
23
Describe condensation.
water cooling and coming together to form droplets
water entering the air from plants
water heating up and rising into the air
water falling down from clouds
24
There are
no problems or downsides
with using solar power as an energy resource.
False
True
25
Hotter
water holds more dissolved oxygen than
colder
water.
False
True
26
"There are
no problems or downsides
with using solar power as an energy resource." Choose two to make it true.
The sun doesn't always shine, so it's an unreliable source of power.
Solar panels are made of rare earth metals that are hard to mine.
Solar power is too powerful
27
What is not one of the ways to reduce runoff?
green roofs
rain barrels
paved asphalt
green streets
28
What is the one thing that all vehicle transportation bridges do
NOT
have in common?
abutments
arches
a roadway
piers
29
China
is the largest consumer of electricity in the world.
True
False
30
Porosity is the measure of the ease with which fluids can flow through materials.
False
True
31
Which types of pollutant would you not expect to see in urban runoff?
oil
gas
pesticides
road salts
32
What is the difference between pervious and impervious substances? (choose 2)
impervious: water cannot pass through, like concrete
pervious: water cannot pass through, like concrete
pervious: water can pass through, like soil
impervious: water can pass through, like soil
33
What is not an example of one of the subfields of civil engineering?
Construction
Structural
Transportation
Manufacturing
34
"
The US
is the largest producer of wind energy in the world." Make it true.
England is the largest producer of wind energy in the world.
China is the largest producer of wind energy in the world.
35
What is transpiration?
water heating up and rising into the air
water entering the air from plants
water cooling and coming together to form droplets
water falling down from clouds
36
The US
is the largest producer of wind energy in the world.
True
False
37
What is evaporation?
water heating up and rising into the air
water entering the air from plants
water cooling and coming together to form droplets
water coming down from clouds
38
Which of the following is not one of the three main structural components?
Columns
Beams
Braces
Brackets
39
Most of the freshwater we have on earth is stored frozen in glaciers.
True
False
40
Name two types of structural loads. (select 2)
primary
static
torrential
dynamic
41
There are
no problems
or downsides when using nuclear energy.
False
True
42
What group of organisms do wind turbines cause the most harm to?
birds
humans
bats
mosquitos
43
What is the difference between non-point pollution sources and point source pollutant sources? (choose 2)
non-point: cannot determine pollutants' origin, like frame runoff
point: direct point where pollution is coming from, like a drain pipe
non-point: direct point where pollution is coming from, like a drain pipe
point: cannot determine pollutants' origin, like frame runoff
44
what is coal primarily made of?
nitrogen
sulfur
hydrogen
carbon
45
What is civil engineering?
The design and construction of aircraft.
The design and construction of factories.
the design and construction of automobiles.
The design and construction of public works projects.
46
What is physical science?
The sceintific study that deals with non-living matter
the study of materials, their properties, and the changes they undergo
The study of earth, its evolution, and its physical properties
The study of living organisms
