12 Questions
What is a key aspect that every potential electrician must understand from the start?
Electrical theory
What is the purpose of understanding electrical theory?
To ensure proper installation of electrical equipment
What is the term used to describe the sticking together of particles of the same substance?
Cohesion
What term is used to describe holding as much water or moisture as can be absorbed?
Saturated
What can cause shearing of a building structure and concentrate stresses on weak walls or joints during an earthquake?
Inertia of the building
Which term describes an object's resistance to deformation in response to an applied force?
Stiffness
What is strain energy?
A form of potential energy stored in materials that have undergone a change in dimension
What causes tsunamis?
Earthquakes or volcanic eruptions under the sea
How do tsunami waves behave as they approach the shore?
They increase in height as the water depth decreases
What is liquefaction?
The phenomenon in which the strength and stiffness of a soil is reduced by earthquake shaking or other rapid loading
What type of soil is susceptible to liquefaction?
Cohesionless, saturated or partially saturated soils
What is a typical speed range for tsunami waves?
20-30 miles per hour
Test your knowledge on strain energy as a form of potential energy in materials under strain, and tsunamis as giant waves caused by seismic events under the sea. Explore how waves build up height as they travel inland.
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