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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 improvement of things already invented
Problems
Block and tackle
Pulley
Innovation
2. Levers in which the fulcrum is always placed between the effort and the load are called
Brainstorming
First- class levers
Rack and pinion gears
Spur gears
3. The weight or resistance on a lever
Load
Problems
Innovations
Power
4. The process of how solutions to problems are developed is
Generate many alternative solutions
Modify your design ideas and choose another alternative
Pulley
The problem solving process
5. The metric unit for measuring work
Prototypes
Worm gears
Newton - meter
Design brief
6. A guide to help make problem solving in technology more effective
Brainstorming
Design loop
Prototypes
Innovations
7. The English unit of measuring work
Generate many alternative solutions
Foot- pounds
Technology
Decreases the effort needed to move a load - transfers speed or force - and changes the direction of the effort applied
8. The planned process of change
All gears are shaped like wheels with straight teeth that mesh with other wheels with straight teeth
Design
Law of Conservation of Energy
First- class levers
9. A lever in which the fulcrum is at one end - and the load is at the other end
First- class lever
Effort
Third- class lever
The number of pulley wheels
10. The turning point of a lever
Fulcrum
Load
Pulley
Third- class lever
11. The generation of ideas for solutions by a group is known as
Brainstorming
Movable pulley
Friction
lever
12. 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
Put your ideas - designs - and calculations on paper
Modify your design ideas and choose another alternative
Resistance
13. A bar or rod that tilts on a pivot - or fulcrum - used to overcome a resistance or to raise a weight when force is applied is a
lever
Ergonomics
Screw
Innovation
14. The generation of ideas for solutions
The problem solving process
Brainstorming
Second- class lever
Gears
15. Provides a structure for thinking and doing
Prototypes
Worm gears
Power
Design loop
16. Describes the limitations and requirements of the project's solution
Load
Work
Fulcrum
Specifications
17. Provides direction for the work of the designer
Gears
Work
Design brief
Power
18. A lever in which the fulcrum is at one end - and the effort is at the other end
Effort
Second- class lever
Gears
Problems
19. The force (push or pull) used to do work
Effort
Kinetic energy
Gears
Foot- pounds
20. A pulley that makes work easier
Generate many alternative solutions
Specifications
Movable pulley
The number of pulley wheels
21. Come in a variety of sizes with their teeth straight or curved and inclined at a variety of angles
Worm gears
Screw
Third- class lever
Gears
22. Energy of position
Innovations
Potential energy
First- class levers
Third- class lever
23. The study of how human beings best interact with technology
Design
Load
Solutions
Ergonomics
24. Involves the effort you put in and the distance over which you maintain the effort
All gears are shaped like wheels with straight teeth that mesh with other wheels with straight teeth
Invention
Work
Appearance model
25. Which is not a true statement about gears?
Worm gears
All gears are shaped like wheels with straight teeth that mesh with other wheels with straight teeth
Friction
lever
26. 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
Problems
Potential energy
Pulley
Kinetic energy
27. The energy of motion
Pulley
Kinetic energy
Design brief
Pulley
28. 550 foot- pounds per second
Horsepower
Screw
Second- class lever
Effort
29. More than one pulley working together
Specifications
Work
Screw
Block and tackle
30. The development of something completely new
Horsepower
Law of Conservation of Energy
Invention
W = F x d
31. 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?
Appearance model
Spur gears
Load
Put your ideas - designs - and calculations on paper
32. An inclined plane which is wrapped around a cylinder
Wheel and axle
Put your ideas - designs - and calculations on paper
Screw
Design loop
33. A bar or rod that tilts on a pivot - or fulcrum
Solutions
Problems
Lever
Energy
34. The force applied to a lever
Effort
Science
Design loop
Lever
35. Work divided by time
Design loop
Power
Design loop
Screw
36. Changes and improvements made to products already invented are
Innovations
Specifications
Wheel and axle
Fixed pulley
37. Seeks to explain and describe the physical world
Newton - meter
The problem solving process
Science
Brainstorming
38. Toothed wheels that intermesh with other toothed wheels to transmit motion and force are
Fulcrum
Gears
Invention
The number of pulley wheels
39. The ability to do work
Work
Work
Power
Energy
40. When designing a solution to a problem - a problem solver should always
Technology
Bevel gears
Generate many alternative solutions
Design loop
41. Provides problem clarification and specification
Design brief
Innovation
Fixed pulley
Block and tackle
42. A wheel that meshes with a sliding toothed bar - converting rotary motion to reciprocating (to- and- fro)
Chain hoist
Brainstorming
Rack and pinion gears
Ergonomics
43. Provides a framework for design and problem solving work
Energy
Science
W = F x d
Design loop
44. Operational models used to test the mechanical or electrical systems
Functional models
Rack and pinion gears
Block and tackle
Kinetic energy
45. The weight of the obect being moved
Power
Resistance
Fulcrum
The number of pulley wheels
46. A lever in which the fulcrum is between the effort and the load
Science
Third- class lever
First- class lever
Prototypes
47. Seeks to meer our needs and wants and to extend our capabilities
Block and tackle
Second- class lever
Technology
Design
48. Models that function and look like the finished product but are usually hand- built
Prototypes
Fulcrum
W = F x d
First- class levers
49. 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
Pulley
Modify your design ideas and choose another alternative
W = F x d
Energy
50. The amount of effort needed to raise a load by using a pulley system is determined by
Lever
The number of pulley wheels
Second- class lever
Design brief