Simple Machines
How many types of Simple Machines are there?
There are 6
What is a Bridge used for?
Crossing it
What are the two types of catapults?
Mangonel and Ballista
Back then how did they make tunnels?
What type of engineers deal with radio, television, and telephony?
How many classes of levers are there?
there are 3
What is the easiest bridge to build?
Beam Bridge
Which one uses counterweight? Catapults or Trebuchets
Trebuchets
What does Footings mean?
Shallow foundations; support the foundation and prevent settling
How old is Electrical Engineering
about 100 years old
What compound machine is a toothed Wheel & Axle?
Gear
What bridge moves there deck to let ships pass?
Bascule Bridge
Do catapults and trebuchets work in the same way and accomplish different goals? True or False
False
What are the three main tunnels?
Soft-Ground, Rock, and Underwater
What is a Geotechnical Engineer?
Geotechnical engineer - Designs footings to have an adequate load capacity with limited settlement
What class lever is a seesaw?
First class
Can arch bridges span over long distances?
No
Do both catapults and trebuchets use an arm that acts like a lever to throw an object?
Yes
What are the three steps to success when building a tunnel?
Excavation, Support, and Lining
What does a Structural Engineer do?
Structural engineer - Structurally designs the footing of a foundation
What are the three types of pulleys?
Single Fixed, Movable, also Block and Tackle system
What are the 8 types of bridges
Arch, Beam, Truss, Cantilever, Suspension, Cable-stayed, Bascule, Double Deck
What are the parts you need for a trebuchet?
Payload, Sling, Beam, Pivot, Counterweight, and Frame
What does Frost heave mean?
Frost heave - Occurs when water in the ground freezes to form ice lenses
What is the Engineering process?
1.Identify the problem
2.Brainstorm
3.Design
4.Build Redesign Test & Evaluate
5.Share solution