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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
Horsepower
Third- class lever
Problems
Design
2. The improvement of things already invented
Pulley
Bevel gears
The number of pulley wheels
Innovation
3. Seeks to explain and describe the physical world
Appearance model
Ergonomics
Science
Work
4. Consists of an endless chain looped around three pulleys
Chain hoist
Pulley
Modify your design ideas and choose another alternative
All gears are shaped like wheels with straight teeth that mesh with other wheels with straight teeth
5. The process of how solutions to problems are developed is
Rack and pinion gears
The problem solving process
Design loop
Kinetic energy
6. The force (push or pull) used to do work
Spur gears
Technology
Design loop
Effort
7. A lever in which the fulcrum is between the effort and the load
The problem solving process
First- class lever
Horsepower
Work
8. Machines are used to make work easier. How does a machine accomplish this?
Movable pulley
First- class levers
Technology
Decreases the effort needed to move a load - transfers speed or force - and changes the direction of the effort applied
9. Toothed wheels that intermesh with other toothed wheels to transmit motion and force are
W = F x d
Gears
Work
Block and tackle
10. The energy of motion
Functional models
All gears are shaped like wheels with straight teeth that mesh with other wheels with straight teeth
Kinetic energy
Innovations
11. Operational models used to test the mechanical or electrical systems
Functional models
Power
Block and tackle
The problem solving process
12. Energy of position
Prototypes
Gears
Potential energy
Ergonomics
13. The force applied to a lever
Decreases the effort needed to move a load - transfers speed or force - and changes the direction of the effort applied
lever
Effort
Functional models
14. The turning point of a lever
First- class levers
Block and tackle
Modify your design ideas and choose another alternative
Fulcrum
15. A force that opposes motion
Design brief
Design loop
Generate many alternative solutions
Friction
16. The English unit of measuring work
Modify your design ideas and choose another alternative
All gears are shaped like wheels with straight teeth that mesh with other wheels with straight teeth
Foot- pounds
The problem solving process
17. Force times distance
Load
Third- class lever
Work
Design loop
18. The scientific formula for work is
W = F x d
Bevel gears
Pulley
All gears are shaped like wheels with straight teeth that mesh with other wheels with straight teeth
19. A lever in which the fulcrum is at one end - and the effort is at the other end
Fulcrum
Second- class lever
Load
Work
20. The generation of ideas for solutions
Screw
Spur gears
Resistance
Brainstorming
21. Models that function and look like the finished product but are usually hand- built
Appearance model
Work
Newton - meter
Prototypes
22. Two wheels that intermest at an angle to change the direction of rotation - also altering speed and force if necessary
Third- class lever
Brainstorming
Innovation
Bevel gears
23. 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
Science
Effort
Potential energy
Block and tackle
24. The study of how human beings best interact with technology
Pulley
Lever
The problem solving process
Ergonomics
25. A lever in which the fulcrum is at one end - and the load is at the other end
W = F x d
Third- class lever
Design brief
Spur gears
26. Provides a framework for design and problem solving work
Design loop
Second- class lever
Design
Energy
27. The generation of ideas for solutions by a group is known as
Brainstorming
Second- class lever
Invention
Bevel gears
28. Provides a structure for thinking and doing
Kinetic energy
Effort
Design loop
Potential energy
29. Energy may change form but the amount of energy remains the same
Work
Appearance model
Law of Conservation of Energy
First- class lever
30. Seeks to meer our needs and wants and to extend our capabilities
Technology
Fulcrum
Chain hoist
Design loop
31. Which is not a true statement about gears?
Design loop
Lever
Kinetic energy
All gears are shaped like wheels with straight teeth that mesh with other wheels with straight teeth
32. Involves the effort you put in and the distance over which you maintain the effort
Work
Horsepower
Chain hoist
Prototypes
33. Come in a variety of sizes with their teeth straight or curved and inclined at a variety of angles
Design loop
Worm gears
Foot- pounds
Gears
34. Changes and improvements made to products already invented are
Innovations
Science
Brainstorming
Design loop
35. Describes the limitations and requirements of the project's solution
Power
Work
Innovation
Specifications
36. When designing a solution to a problem - a problem solver should always
Decreases the effort needed to move a load - transfers speed or force - and changes the direction of the effort applied
lever
Friction
Generate many alternative solutions
37. Levers in which the fulcrum is always placed between the effort and the load are called
First- class levers
Lever
Design brief
Worm gears
38. A bar or rod that tilts on a pivot - or fulcrum
Lever
Gears
Movable pulley
Resistance
39. 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
lever
Mechanical advantage
Chain hoist
Prototypes
40. An inclined plane which is wrapped around a cylinder
Screw
Problems
Prototypes
Effort
41. The development of something completely new
Design loop
Put your ideas - designs - and calculations on paper
Invention
Foot- pounds
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
Pulley
Power
Work
Fulcrum
43. A shaft with a screw thread that meshes with a toothed wheel to alter the direction of motion - and change the speed and force
Design loop
Load
Put your ideas - designs - and calculations on paper
Worm gears
44. The ability to do work
Energy
Foot- pounds
Design loop
Law of Conservation of Energy
45. 550 foot- pounds per second
lever
Problems
Horsepower
First- class levers
46. Shows what a product will look like when it is produced
Innovations
Fulcrum
Wheel and axle
Appearance model
47. When a machine multiplies the effort being used
Brainstorming
Mechanical advantage
Energy
Design brief
48. The planned process of change
Prototypes
W = F x d
Design
Fixed pulley
49. 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
Spur gears
Potential energy
Design brief
50. 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
Design loop
Pulley
Put your ideas - designs - and calculations on paper
The number of pulley wheels