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