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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. Describes the limitations and requirements of the project's solution
Spur gears
Specifications
The number of pulley wheels
Mechanical advantage
2. A machine in which a lever rotates around a fixed point
Worm gears
The number of pulley wheels
Wheel and axle
Brainstorming
3. 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
Pulley
Fulcrum
First- class lever
4. A force that opposes motion
Horsepower
Load
Pulley
Friction
5. An inclined plane which is wrapped around a cylinder
Lever
Screw
Block and tackle
Third- class lever
6. A lever in which the fulcrum is between the effort and the load
Decreases the effort needed to move a load - transfers speed or force - and changes the direction of the effort applied
Friction
First- class lever
Foot- pounds
7. The study of how human beings best interact with technology
Kinetic energy
Design loop
Mechanical advantage
Ergonomics
8. Seeks to explain and describe the physical world
Science
Brainstorming
Resistance
Third- class lever
9. 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
Pulley
Block and tackle
Power
Newton - meter
10. Two gear wheels that intermesh in the same plane - regulating the speed or force of motion and reversing its direction
Energy
Spur gears
Effort
Block and tackle
11. Machines are used to make work easier. How does a machine accomplish this?
Modify your design ideas and choose another alternative
Decreases the effort needed to move a load - transfers speed or force - and changes the direction of the effort applied
Fixed pulley
Foot- pounds
12. A wheel that meshes with a sliding toothed bar - converting rotary motion to reciprocating (to- and- fro)
Foot- pounds
Screw
Rack and pinion gears
Appearance model
13. Models that function and look like the finished product but are usually hand- built
Potential energy
Prototypes
Invention
Design loop
14. Force times distance
Work
Design loop
Modify your design ideas and choose another alternative
W = F x d
15. 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?
Wheel and axle
Ergonomics
Put your ideas - designs - and calculations on paper
lever
16. The weight or resistance on a lever
Load
Third- class lever
Wheel and axle
Brainstorming
17. The force (push or pull) used to do work
Effort
Load
Ergonomics
Design
18. Involves the effort you put in and the distance over which you maintain the effort
lever
Work
Effort
Decreases the effort needed to move a load - transfers speed or force - and changes the direction of the effort applied
19. Provides direction for the work of the designer
Power
Pulley
Bevel gears
Design brief
20. 550 foot- pounds per second
Horsepower
Block and tackle
Put your ideas - designs - and calculations on paper
Appearance model
21. Energy of position
W = F x d
Potential energy
Gears
Prototypes
22. 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
Potential energy
Design brief
Pulley
lever
23. The ability to do work
Energy
Modify your design ideas and choose another alternative
Bevel gears
Law of Conservation of Energy
24. The force applied to a lever
Potential energy
Gears
Innovations
Effort
25. Levers in which the fulcrum is always placed between the effort and the load are called
First- class levers
Pulley
Science
Innovation
26. Two wheels that intermest at an angle to change the direction of rotation - also altering speed and force if necessary
Bevel gears
Appearance model
Functional models
Mechanical advantage
27. A guide to help make problem solving in technology more effective
Generate many alternative solutions
Design loop
Work
Chain hoist
28. Shows what a product will look like when it is produced
Fulcrum
Movable pulley
Appearance model
Brainstorming
29. Work divided by time
Energy
Brainstorming
Friction
Power
30. 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
Friction
Pulley
Design
Put your ideas - designs - and calculations on paper
31. The planned process of change
Bevel gears
Energy
Block and tackle
Design
32. The generation of ideas for solutions
lever
First- class levers
Brainstorming
Design
33. More than one pulley working together
Technology
Design
Energy
Block and tackle
34. Energy may change form but the amount of energy remains the same
Innovation
Law of Conservation of Energy
First- class lever
Design brief
35. The improvement of things already invented
Innovation
Generate many alternative solutions
Technology
Put your ideas - designs - and calculations on paper
36. A lever in which the fulcrum is at one end - and the effort is at the other end
Second- class lever
Block and tackle
First- class lever
Innovations
37. The difficulties we must overcome
Load
Problems
Gears
Solutions
38. Changes and improvements made to products already invented are
Ergonomics
Horsepower
Appearance model
Innovations
39. Provides a framework for design and problem solving work
Design brief
Design loop
Put your ideas - designs - and calculations on paper
Design brief
40. A bar or rod that tilts on a pivot - or fulcrum
Modify your design ideas and choose another alternative
Lever
First- class lever
Pulley
41. If you generate alternative solutions and begin to build your best solution - but you have problems building your design - what should you do?
Ergonomics
Brainstorming
Design brief
Modify your design ideas and choose another alternative
42. A shaft with a screw thread that meshes with a toothed wheel to alter the direction of motion - and change the speed and force
Spur gears
Mechanical advantage
Block and tackle
Worm gears
43. A pulley that changes direction of effort but provides no mechanical advantage
Bevel gears
Fixed pulley
Functional models
W = F x d
44. Operational models used to test the mechanical or electrical systems
Gears
Functional models
Newton - meter
Friction
45. The process of how solutions to problems are developed is
Functional models
Kinetic energy
The problem solving process
All gears are shaped like wheels with straight teeth that mesh with other wheels with straight teeth
46. A lever in which the fulcrum is at one end - and the load is at the other end
Third- class lever
Innovations
Friction
Design
47. Ways of overcoming difficulties
Appearance model
Kinetic energy
Solutions
Functional models
48. The energy of motion
Ergonomics
Second- class lever
Kinetic energy
Design loop
49. The amount of effort needed to raise a load by using a pulley system is determined by
Lever
The number of pulley wheels
Fixed pulley
lever
50. Seeks to meer our needs and wants and to extend our capabilities
Effort
Technology
Load
Brainstorming