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