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