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