SUBJECTS
|
BROWSE
|
CAREER CENTER
|
POPULAR
|
JOIN
|
LOGIN
Business Skills
|
Soft Skills
|
Basic Literacy
|
Certifications
About
|
Help
|
Privacy
|
Terms
|
Email
Search
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 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
Law of Conservation of Energy
Specifications
The problem solving process
2. A bar or rod that tilts on a pivot - or fulcrum
Functional models
Pulley
The number of pulley wheels
Lever
3. Energy may change form but the amount of energy remains the same
Law of Conservation of Energy
Effort
Design brief
Spur gears
4. Which is not a true statement about gears?
Newton - meter
All gears are shaped like wheels with straight teeth that mesh with other wheels with straight teeth
Effort
Technology
5. Operational models used to test the mechanical or electrical systems
Design loop
Put your ideas - designs - and calculations on paper
Gears
Functional models
6. Machines are used to make work easier. How does a machine accomplish this?
Pulley
Brainstorming
Movable pulley
Decreases the effort needed to move a load - transfers speed or force - and changes the direction of the effort applied
7. Provides a structure for thinking and doing
Fulcrum
Design loop
Pulley
Work
8. The improvement of things already invented
Appearance model
Mechanical advantage
Work
Innovation
9. Provides direction for the work of the designer
First- class levers
Work
Design brief
Decreases the effort needed to move a load - transfers speed or force - and changes the direction of the effort applied
10. Seeks to explain and describe the physical world
Science
Gears
W = F x d
lever
11. Two gear wheels that intermesh in the same plane - regulating the speed or force of motion and reversing its direction
Kinetic energy
Screw
Second- class lever
Spur gears
12. The English unit of measuring work
Problems
Foot- pounds
Wheel and axle
Power
13. The weight of the obect being moved
Brainstorming
Ergonomics
Resistance
Decreases the effort needed to move a load - transfers speed or force - and changes the direction of the effort applied
14. 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?
Put your ideas - designs - and calculations on paper
Design loop
Brainstorming
Resistance
15. Consists of an endless chain looped around three pulleys
Put your ideas - designs - and calculations on paper
Foot- pounds
Chain hoist
Pulley
16. The process of how solutions to problems are developed is
The problem solving process
Prototypes
Worm gears
Chain hoist
17. Seeks to meer our needs and wants and to extend our capabilities
Chain hoist
Technology
All gears are shaped like wheels with straight teeth that mesh with other wheels with straight teeth
Potential energy
18. A pulley that changes direction of effort but provides no mechanical advantage
W = F x d
Pulley
Fixed pulley
Technology
19. A shaft with a screw thread that meshes with a toothed wheel to alter the direction of motion - and change the speed and force
Modify your design ideas and choose another alternative
Worm gears
Energy
Third- class lever
20. A wheel that meshes with a sliding toothed bar - converting rotary motion to reciprocating (to- and- fro)
Functional models
Modify your design ideas and choose another alternative
Rack and pinion gears
Bevel gears
21. The amount of effort needed to raise a load by using a pulley system is determined by
The number of pulley wheels
Gears
All gears are shaped like wheels with straight teeth that mesh with other wheels with straight teeth
Spur gears
22. The generation of ideas for solutions
Second- class lever
Foot- pounds
W = F x d
Brainstorming
23. 550 foot- pounds per second
Horsepower
Kinetic energy
Effort
lever
24. A pulley that makes work easier
Movable pulley
Gears
Worm gears
Work
25. Provides problem clarification and specification
Effort
Fixed pulley
Wheel and axle
Design brief
26. Toothed wheels that intermesh with other toothed wheels to transmit motion and force are
Gears
Modify your design ideas and choose another alternative
lever
Mechanical advantage
27. Changes and improvements made to products already invented are
Fulcrum
Innovations
The problem solving process
Design
28. The force applied to a lever
Resistance
Innovation
Effort
Functional models
29. Describes the limitations and requirements of the project's solution
Resistance
Specifications
Second- class lever
Invention
30. A lever in which the fulcrum is at one end - and the effort is at the other end
Work
Second- class lever
Solutions
Friction
31. A lever in which the fulcrum is between the effort and the load
First- class lever
Design loop
Science
Kinetic energy
32. Models that function and look like the finished product but are usually hand- built
Third- class lever
Problems
Foot- pounds
Prototypes
33. The ability to do work
Movable pulley
Third- class lever
Innovation
Energy
34. If you generate alternative solutions and begin to build your best solution - but you have problems building your design - what should you do?
Design loop
Rack and pinion gears
W = F x d
Modify your design ideas and choose another alternative
35. An inclined plane which is wrapped around a cylinder
Block and tackle
Gears
Load
Screw
36. When designing a solution to a problem - a problem solver should always
Problems
Mechanical advantage
The problem solving process
Generate many alternative solutions
37. Force times distance
Newton - meter
Pulley
Work
Energy
38. Involves the effort you put in and the distance over which you maintain the effort
Work
Mechanical advantage
Solutions
Problems
39. The development of something completely new
Power
Invention
Functional models
Work
40. The energy of motion
Kinetic energy
lever
Generate many alternative solutions
Work
41. 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
Design brief
Bevel gears
The problem solving process
42. Shows what a product will look like when it is produced
Gears
Spur gears
Appearance model
Science
43. Levers in which the fulcrum is always placed between the effort and the load are called
Horsepower
Brainstorming
First- class levers
Science
44. 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
Invention
Law of Conservation of Energy
Specifications
lever
45. More than one pulley working together
The problem solving process
Block and tackle
Work
Decreases the effort needed to move a load - transfers speed or force - and changes the direction of the effort applied
46. The planned process of change
First- class levers
Horsepower
Modify your design ideas and choose another alternative
Design
47. The study of how human beings best interact with technology
Bevel gears
Innovations
Solutions
Ergonomics
48. The difficulties we must overcome
Decreases the effort needed to move a load - transfers speed or force - and changes the direction of the effort applied
Load
Problems
Mechanical advantage
49. Two wheels that intermest at an angle to change the direction of rotation - also altering speed and force if necessary
Newton - meter
Spur gears
Bevel gears
Put your ideas - designs - and calculations on paper
50. The turning point of a lever
The number of pulley wheels
Decreases the effort needed to move a load - transfers speed or force - and changes the direction of the effort applied
Fulcrum
Problems