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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. If you generate alternative solutions and begin to build your best solution - but you have problems building your design - what should you do?
Modify your design ideas and choose another alternative
Effort
Load
Put your ideas - designs - and calculations on paper
2. The force (push or pull) used to do work
Brainstorming
Technology
Fulcrum
Effort
3. Provides a structure for thinking and doing
Brainstorming
Load
Innovation
Design loop
4. Describes the limitations and requirements of the project's solution
Design brief
W = F x d
First- class lever
Specifications
5. Seeks to explain and describe the physical world
Rack and pinion gears
Science
Gears
Block and tackle
6. Provides a framework for design and problem solving work
Brainstorming
Prototypes
Design loop
lever
7. The ability to do work
Energy
Spur gears
Effort
Second- class lever
8. The turning point of a lever
Science
Third- class lever
Block and tackle
Fulcrum
9. 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
Functional models
Ergonomics
lever
Foot- pounds
10. A lever in which the fulcrum is at one end - and the effort is at the other end
Foot- pounds
Second- class lever
Bevel gears
Resistance
11. The difficulties we must overcome
Functional models
Problems
Decreases the effort needed to move a load - transfers speed or force - and changes the direction of the effort applied
Generate many alternative solutions
12. When a machine multiplies the effort being used
Design brief
Ergonomics
Power
Mechanical advantage
13. A pulley that makes work easier
Load
Movable pulley
Fulcrum
Functional models
14. The amount of effort needed to raise a load by using a pulley system is determined by
Technology
Chain hoist
Brainstorming
The number of pulley wheels
15. The generation of ideas for solutions
Brainstorming
Design loop
Third- class lever
Ergonomics
16. Operational models used to test the mechanical or electrical systems
Second- class lever
Gears
Functional models
Ergonomics
17. A lever in which the fulcrum is at one end - and the load is at the other end
Gears
Third- class lever
Horsepower
Friction
18. Seeks to meer our needs and wants and to extend our capabilities
Technology
Innovations
Fulcrum
Specifications
19. The planned process of change
Problems
Design
Screw
Block and tackle
20. When designing a solution to a problem - a problem solver should always
Second- class lever
Generate many alternative solutions
Design loop
Prototypes
21. The English unit of measuring work
Foot- pounds
Science
Design loop
Functional models
22. Models that function and look like the finished product but are usually hand- built
Prototypes
Design loop
Appearance model
Horsepower
23. The development of something completely new
Chain hoist
Generate many alternative solutions
Second- class lever
Invention
24. 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?
Design brief
Put your ideas - designs - and calculations on paper
Work
Newton - meter
25. 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
Design loop
Effort
Block and tackle
Third- class lever
26. A guide to help make problem solving in technology more effective
First- class levers
Solutions
Law of Conservation of Energy
Design loop
27. The weight of the obect being moved
Effort
Mechanical advantage
Worm gears
Resistance
28. Involves the effort you put in and the distance over which you maintain the effort
Design loop
Work
Second- class lever
Decreases the effort needed to move a load - transfers speed or force - and changes the direction of the effort applied
29. Levers in which the fulcrum is always placed between the effort and the load are called
Spur gears
First- class levers
Potential energy
Law of Conservation of Energy
30. 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
Solutions
Pulley
W = F x d
Screw
31. Come in a variety of sizes with their teeth straight or curved and inclined at a variety of angles
Newton - meter
The problem solving process
Gears
Worm gears
32. Provides problem clarification and specification
Design loop
Design brief
Solutions
Prototypes
33. More than one pulley working together
lever
Specifications
Generate many alternative solutions
Block and tackle
34. A wheel that meshes with a sliding toothed bar - converting rotary motion to reciprocating (to- and- fro)
Gears
Appearance model
lever
Rack and pinion gears
35. The force applied to a lever
Effort
Foot- pounds
Problems
Block and tackle
36. 550 foot- pounds per second
Prototypes
Design loop
Horsepower
Potential energy
37. The energy of motion
Brainstorming
Ergonomics
Work
Kinetic energy
38. A lever in which the fulcrum is between the effort and the load
Energy
First- class lever
Foot- pounds
Spur gears
39. A bar or rod that tilts on a pivot - or fulcrum
Design brief
Lever
Work
Mechanical advantage
40. 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
Design loop
Pulley
Energy
41. The metric unit for measuring work
Newton - meter
Block and tackle
First- class levers
Chain hoist
42. The generation of ideas for solutions by a group is known as
Brainstorming
Screw
First- class lever
Pulley
43. A shaft with a screw thread that meshes with a toothed wheel to alter the direction of motion - and change the speed and force
lever
Worm gears
Work
Pulley
44. Two gear wheels that intermesh in the same plane - regulating the speed or force of motion and reversing its direction
Wheel and axle
Work
Spur gears
Kinetic energy
45. Work divided by time
The number of pulley wheels
Power
Load
Effort
46. The study of how human beings best interact with technology
Law of Conservation of Energy
Innovation
Ergonomics
Third- class lever
47. An inclined plane which is wrapped around a cylinder
Effort
Chain hoist
Screw
Foot- pounds
48. Consists of an endless chain looped around three pulleys
Modify your design ideas and choose another alternative
Chain hoist
Design loop
Potential energy
49. Changes and improvements made to products already invented are
Screw
Wheel and axle
Spur gears
Innovations
50. The weight or resistance on a lever
Science
Prototypes
Rack and pinion gears
Load