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