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Test your basic knowledge |
Introduction To Engineering
Start Test
Study First
Subject
:
engineering
Instructions:
Answer 50 questions in 15 minutes.
If you are not ready to take this test, you can
study here
.
Match each statement with the correct term.
Don't refresh. All questions and answers are randomly picked and ordered every time you load a test.
This is a study tool. The 3 wrong answers for each question are randomly chosen from answers to other questions. So, you might find at times the answers obvious, but you will see it re-enforces your understanding as you take the test each time.
1. Toothed wheels that intermesh with other toothed wheels to transmit motion and force are...
Generate many alternative solutions
The lack of pressure to continue development
Gears
Compression
2. The downward forces acting on a bridge are...
Beam
increasing the area over which the force acts
A library
Gravity - weight - load
3. What is the name of the sensor that detects light?
A rock used to test metal for quality
High technology robots
Beam - arch - and suspension
Optoelectronic sensor
4. Hard automation machinery was controlled by what?
Stress
Electrical energy - pneumatic energy - and hydraulic energy
Technology
Timers - cams - electrical stops - and mechanical stops
5. What is the name of the robot's arm?
Twisting
Manipulator
Lever
All gears are shaped like wheels with straight teeth that mesh with other wheels with straight teeth
6. Vertical supports that hold up the beam bridge
Tower
Potential energy
Piers
Nylon
7. As late as the 1880's - bridge builders were stil improving their designs based on...
Trial and error
Design brief
Size - shape - and type of material
Design
8. Which robots are capable of spray painting?
Cloud chamber
Temperature changes
High tech robots
It didn't always point at the North Star
9. A lever in which the fulcrum is between the effort and the load
First- class lever
Sliding
Kinetic energy
Silicon
10. Suspension bridges have the problem of being...
Flexible
A rock used to test metal for quality
Effort
Modify your design ideas and choose another alternative
11. The ability to do work
Optoelectronic sensor
Energy
Irrigation systems
Suspension
12. If a structure did not have rotational equilibrium - it would
Manipulator
A library
Tip over
Most of the material is located where it is needed
13. What is the difference between a tension and a compression structure?
Up
Computer language
Decreases the effort needed to move a load - transfers speed or force - and changes the direction of the effort applied
Tension structures weigh less
14. The probblem with very large compression structures is that they are...
Actuators
Heavy
Beam
Nylon
15. Provides a structure for thinking and doing
Protect other people working around them
Design loop
Ends
XYZ
16. What is a touchstone?
A rock used to test metal for quality
Design loop
Generate many alternative solutions
Irrigation
17. A cable- stayed bridge easily spans distances under...
3000 feet
Steam engines
Cable- stayed
The calendar
18. On a high- tech robot the controller is what device?
High technology robots
Microcomputer
Location of the trustline
Worm gears
19. When the limits of stress and strain are exceeded - parts of a structure will...
Laser rod
A library
Up and down
Collapse or break
20. Measured in newtons per square inch - ______ is the intensity of the forces trying to push or pull a solid material apart
To do jobs that would be boring to people
Memory addresses
Compression
Stress
21. The improvement of things already invented
Wheel and axle
A power relay in a Niagara Falls power station
Design loop
Innovation
22. A wheel fixed to a support with a rope that is run over the wheel to change the direction of a force applied to the rope
Law of Conservation of Energy
Load
Pulley
Appearance model
23. The _______ of structural components is more important than the type of material from which they are made
Shape
Modify your design ideas and choose another alternative
Appearance model
Prototypes
24. Shear is best described as...
Spur gears
Sliding
Physical characteristics and work envelope
Solve problems
25. What is the definition of stress
add a diagonal member
Design brief
the amount of force trying to push or pull a material apart
Ends
26. Two examples of me are the Brooklyn Bridge and the Golden Gate Bridge. They both have decks that hang from cables made of hundreds of steel wires - just like me
Protect other people working around them
Suspension
Second- class lever
Beam bridge
27. The three types of arches are...
Aqueducts
Monolithic - three pin - and two pin
256
To do jobs that would be boring to people
28. What was mostly responsible for the decline of the Egyptian civilization?
Location of the trustline
An increase in the summer temperature - a reduction in rainfall - food sources began to disappear
The lack of pressure to continue development
Suspension
29. The sides of a bridge where it is attached to the land that supports the arch
Abutments
Prototypes
increasing the area over which the force acts
A power relay in a Niagara Falls power station
30. Shows what a product will look like when it is produced
Nylon
A cantilever bridge
Specifications
Appearance model
31. A fixed wheel with a rope or chain that is attached to a load - used to change the direction of a force or to lift heavy objects - is a
Pulley
Design loop
The structure will be lighter
Soft clay tablets
32. Usually - the steel rod in a pre- stressed concrete beam will put the concrete in ____. The load will have to overcome this initial force.
Gravity - weight - load
Beam
Compression at the bottom
designing the structure to be stronger than the anticipated need
33. What marked the engineering efforts of the Greeks?
The intensive development of borrowed ideas
Critical load/weight of the structure
Axes
Galileo
34. What major landmark was located at Alexandria?
Fire extinguisher
Load
Bend and rotation
A library
35. What invention made possible three- dimensional pictures called holograms?
Lasers
Location of the trustline
A library
Appearance model
36. The line in a beam where there is no tension or compression is called the...
Neutral axis...
Bevel gears
designing the structure to be stronger than the anticipated need
The cable- stayed bridge
37. In what field did Denis Papin and Thomas Newcomen perform early research?
Tension structures weigh less
Steam engines
Irrigation
Resistive sensor
38. How can an ultrasonic sensor measure movement and distance?
Taller
Sending a sound out and monitoring the echo
Computer language
Effort
39. Torsion is best described as...
Wind tunnel testing
Design brief
Interstate highway system
Twisting
40. Levers in which the fulcrum is always placed between the effort and the load are called
First- class levers
Decreases the effort needed to move a load - transfers speed or force - and changes the direction of the effort applied
Design brief
Bend and rotation
41. Describes the limitations and requirements of the project's solution
Critical load/weight of the structure
Most of the material is located where it is needed
Specifications
Is able to learn
42. A force that opposes motion
Twisting
Friction
All gears are shaped like wheels with straight teeth that mesh with other wheels with straight teeth
Tip over
43. Machines are used to make work easier. How does a machine accomplish this?
Decreases the effort needed to move a load - transfers speed or force - and changes the direction of the effort applied
Silicon
Rack and pinion gears
Suspension
44. Which device can check to see if a surface is level?
Protect other people working around them
Instruction set
The bowstring girder
Ultrasonic sensor
45. Which of the following is NOT an example of an input/output device?
Timers - cams - electrical stops - and mechanical stops
Microprocessor
A library
Effort
46. Tension is the force acting on the cables in a _______ bridge
Gripper
The wheel and axle
Cable- stayed
The belief that nature has general laws of behavior which can be described by words
47. Suspension bridges usually have the longest single span of all bridges
True
Sending a sound out and monitoring the echo
Beam bridge
Bevel gears
48. The most important factor in determining the strength of a beam is...
Its depth
Innovations
Suspension
The problem solving process
49. The deck of a suspension bridge is ____ from the cables
W = F x d
Hung
Innovation
Sending a sound out and monitoring the echo
50. What development about 8000 years ago led to increased time to engage in activities that involved other than basic survival needs?
Irrigation systems
Electrical energy - pneumatic energy - and hydraulic energy
Cloud chamber
Battered