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Test your basic knowledge |
Introduction To Engineering - 7
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. The study of how human beings best interact with technology
Fixed pulley
Kinetic energy
Design loop
Ergonomics
2. A wheel that meshes with a sliding toothed bar - converting rotary motion to reciprocating (to- and- fro)
Bevel gears
Rack and pinion gears
Resistance
Design loop
3. When designing a solution to a problem - a problem solver should always
Gears
Generate many alternative solutions
Solutions
Design
4. A shaft with a screw thread that meshes with a toothed wheel to alter the direction of motion - and change the speed and force
Invention
Worm gears
Pulley
Gears
5. Involves the effort you put in and the distance over which you maintain the effort
Horsepower
Design
Bevel gears
Work
6. The weight of the obect being moved
Resistance
Design loop
First- class levers
Kinetic energy
7. Shows what a product will look like when it is produced
Appearance model
Technology
Work
Bevel gears
8. A bar or rod that tilts on a pivot - or fulcrum
Kinetic energy
Specifications
Invention
Lever
9. The process of how solutions to problems are developed is
Bevel gears
Pulley
The problem solving process
lever
10. Describes the limitations and requirements of the project's solution
Specifications
Friction
Science
W = F x d
11. A pulley that changes direction of effort but provides no mechanical advantage
Design loop
Mechanical advantage
Wheel and axle
Fixed pulley
12. Seeks to explain and describe the physical world
Ergonomics
Pulley
Science
Design loop
13. When generating ideas for a solution to a problem - it is important to do which of the following in order to effectively and visually communicate these ideas for use in construction drawings?
Invention
Design brief
Block and tackle
Put your ideas - designs - and calculations on paper
14. 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
Appearance model
Effort
Work
15. A guide to help make problem solving in technology more effective
Resistance
Design loop
Ergonomics
Movable pulley
16. Seeks to meer our needs and wants and to extend our capabilities
Technology
Solutions
First- class lever
Lever
17. Provides problem clarification and specification
The number of pulley wheels
Put your ideas - designs - and calculations on paper
W = F x d
Design brief
18. Energy of position
Second- class lever
Potential energy
First- class lever
Load
19. Models that function and look like the finished product but are usually hand- built
Decreases the effort needed to move a load - transfers speed or force - and changes the direction of the effort applied
Prototypes
W = F x d
Friction
20. Force times distance
Work
Energy
Innovation
Third- class lever
21. Work divided by time
The problem solving process
Design
Power
Modify your design ideas and choose another alternative
22. If you generate alternative solutions and begin to build your best solution - but you have problems building your design - what should you do?
Fixed pulley
Horsepower
Third- class lever
Modify your design ideas and choose another alternative
23. An inclined plane which is wrapped around a cylinder
Problems
Screw
W = F x d
The problem solving process
24. Ways of overcoming difficulties
Newton - meter
Solutions
Technology
Work
25. Two gear wheels that intermesh in the same plane - regulating the speed or force of motion and reversing its direction
Spur gears
Horsepower
Problems
Block and tackle
26. The force applied to a lever
Horsepower
Block and tackle
Effort
Design brief
27. Levers in which the fulcrum is always placed between the effort and the load are called
Functional models
Pulley
First- class levers
Movable pulley
28. The metric unit for measuring work
Put your ideas - designs - and calculations on paper
Lever
Newton - meter
Potential energy
29. Which is not a true statement about gears?
Resistance
Design brief
Kinetic energy
All gears are shaped like wheels with straight teeth that mesh with other wheels with straight teeth
30. A lever in which the fulcrum is between the effort and the load
Technology
First- class lever
Innovation
Chain hoist
31. A system of pulleys that consists of one rope wound around two separate sets of pulley - each of which is free to rotate independently on the same axle
Law of Conservation of Energy
Pulley
Innovations
Block and tackle
32. The ability to do work
Specifications
Energy
Worm gears
Wheel and axle
33. The planned process of change
Invention
W = F x d
Design
Put your ideas - designs - and calculations on paper
34. The weight or resistance on a lever
Brainstorming
Load
Fulcrum
Decreases the effort needed to move a load - transfers speed or force - and changes the direction of the effort applied
35. The energy of motion
Kinetic energy
Fulcrum
First- class lever
Newton - meter
36. A force that opposes motion
Friction
Innovations
Work
Law of Conservation of Energy
37. Provides a framework for design and problem solving work
Gears
Innovation
Design loop
W = F x d
38. Provides direction for the work of the designer
Law of Conservation of Energy
Design loop
Design brief
Modify your design ideas and choose another alternative
39. A pulley that makes work easier
Movable pulley
Brainstorming
Specifications
The problem solving process
40. The difficulties we must overcome
Design loop
Friction
Problems
First- class levers
41. The generation of ideas for solutions
Brainstorming
Rack and pinion gears
Resistance
Block and tackle
42. The English unit of measuring work
Generate many alternative solutions
Problems
Foot- pounds
Movable pulley
43. A lever in which the fulcrum is at one end - and the effort is at the other end
Second- class lever
Screw
Generate many alternative solutions
Effort
44. The turning point of a lever
First- class lever
Fulcrum
Energy
Gears
45. The scientific formula for work is
W = F x d
Energy
Design brief
Mechanical advantage
46. Changes and improvements made to products already invented are
Generate many alternative solutions
Screw
Bevel gears
Innovations
47. Come in a variety of sizes with their teeth straight or curved and inclined at a variety of angles
Law of Conservation of Energy
Innovation
Block and tackle
Gears
48. A machine in which a lever rotates around a fixed point
Modify your design ideas and choose another alternative
Law of Conservation of Energy
Fixed pulley
Wheel and axle
49. The force (push or pull) used to do work
Load
Put your ideas - designs - and calculations on paper
Wheel and axle
Effort
50. 550 foot- pounds per second
Design brief
Horsepower
Second- class lever
Lever