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