How does the design of the Crystal Springs Dam contribute to its ability to withstand earthquakes?
Protecting the Water Supply

Quiz
•
Engineering
•
10th Grade
•
Hard
Jason Rauch
FREE Resource
15 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
It is made entirely of steel, which is flexible during seismic events.
It consists of interlocking concrete blocks that allow for flexibility.
It is built with a solid concrete wall that resists seismic forces.
It uses a series of arches to distribute seismic energy.
Answer explanation
The correct choice highlights that the dam's design with interlocking concrete blocks allows for flexibility, enabling it to absorb and dissipate seismic energy effectively during earthquakes.
2.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Evaluate the effectiveness of San Francisco's emergency water supply system in mitigating fire risks after an earthquake. What are the key components that make it successful?
The system relies solely on natural water sources.
It uses a network of high-pressure pipes and a dedicated reservoir.
It depends on external water supplies from neighboring cities.
It is based on traditional firefighting methods without modern technology.
Answer explanation
The effectiveness of San Francisco's emergency water supply system lies in its network of high-pressure pipes and a dedicated reservoir, ensuring a reliable and robust water supply for firefighting after an earthquake.
3.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Analyze the potential challenges firefighters might face if the water distribution network fails during an earthquake. What strategies could be implemented to address these challenges?
Rely on rainwater collection systems.
Use portable water tanks and trucks as a backup.
Wait for external aid from other cities.
Depend on seawater for firefighting.
Answer explanation
If the water distribution network fails during an earthquake, firefighters face severe water shortages. Using portable water tanks and trucks as a backup ensures they have immediate access to water for firefighting, addressing this critical challenge.
4.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
What reasoning did engineers use to construct the Crystal Springs Dam directly into the fault line, and how does this decision impact its functionality during an earthquake?
To ensure the dam is hidden from view.
To utilize the natural landscape for additional support.
To create a reservoir that can absorb seismic energy.
To make the dam more aesthetically pleasing.
Answer explanation
Engineers constructed the Crystal Springs Dam on the fault line to create a reservoir that can absorb seismic energy, enhancing its functionality during an earthquake by mitigating potential damage.
5.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Consider the strategic importance of the Twin Peaks reservoir in San Francisco's emergency water supply system. How does its location and design contribute to its effectiveness?
It is located at a low point in the city for easy access.
It is situated at a high point, allowing gravity-fed distribution.
It is designed to blend in with the natural environment.
It is built underground to protect it from earthquakes.
Answer explanation
The Twin Peaks reservoir's high elevation allows for gravity-fed water distribution, which is crucial for efficient emergency supply. This strategic location enhances the reliability and effectiveness of San Francisco's water system.
6.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
How do advanced monitoring systems and emergency response protocols help mitigate the risks of gas fires after an earthquake?
They prevent gas leaks from occurring.
They quickly identify and isolate gas leaks.
They eliminate the need for firefighters.
They provide real-time weather updates.
Answer explanation
Advanced monitoring systems and emergency response protocols are crucial as they quickly identify and isolate gas leaks after an earthquake, reducing the risk of gas fires and enhancing safety.
7.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Evaluate the role of engineers in enhancing San Francisco's preparedness for earthquakes. What innovative solutions have they implemented to address water supply challenges?
They have built more fire stations.
They have constructed a dam and a dedicated reservoir.
They have increased the number of firefighters.
They have developed new firefighting techniques.
Answer explanation
Engineers have enhanced San Francisco's earthquake preparedness by constructing a dam and a dedicated reservoir, ensuring a reliable water supply during emergencies, which is crucial for firefighting and public safety.
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