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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 development of something completely new
Invention
Ergonomics
Generate many alternative solutions
Design loop
2. 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
Innovations
Pulley
Science
Work
3. 550 foot- pounds per second
Law of Conservation of Energy
Chain hoist
Design loop
Horsepower
4. Toothed wheels that intermesh with other toothed wheels to transmit motion and force are
Problems
Functional models
Gears
Law of Conservation of Energy
5. The metric unit for measuring work
Chain hoist
Newton - meter
Design loop
Worm gears
6. Two gear wheels that intermesh in the same plane - regulating the speed or force of motion and reversing its direction
Spur gears
Design
Ergonomics
Innovations
7. Provides a framework for design and problem solving work
Design loop
Gears
Pulley
Specifications
8. Force times distance
Work
Functional models
Design brief
Power
9. Seeks to explain and describe the physical world
Innovation
Science
Design brief
Load
10. Involves the effort you put in and the distance over which you maintain the effort
Pulley
Work
Mechanical advantage
W = F x d
11. The scientific formula for work is
W = F x d
Design loop
The problem solving process
lever
12. Ways of overcoming difficulties
Science
Prototypes
Solutions
Friction
13. A pulley that changes direction of effort but provides no mechanical advantage
Invention
Fixed pulley
Fulcrum
Block and tackle
14. A lever in which the fulcrum is at one end - and the effort is at the other end
Second- class lever
Modify your design ideas and choose another alternative
Friction
Solutions
15. Machines are used to make work easier. How does a machine accomplish this?
Decreases the effort needed to move a load - transfers speed or force - and changes the direction of the effort applied
Gears
Problems
All gears are shaped like wheels with straight teeth that mesh with other wheels with straight teeth
16. An inclined plane which is wrapped around a cylinder
Pulley
Screw
First- class levers
Chain hoist
17. A pulley that makes work easier
Movable pulley
First- class levers
lever
Work
18. Operational models used to test the mechanical or electrical systems
Effort
Functional models
lever
Science
19. The force applied to a lever
Gears
Effort
Gears
Innovation
20. A machine in which a lever rotates around a fixed point
Wheel and axle
Design loop
Movable pulley
Science
21. Energy may change form but the amount of energy remains the same
Law of Conservation of Energy
Load
Science
Horsepower
22. Provides a structure for thinking and doing
Decreases the effort needed to move a load - transfers speed or force - and changes the direction of the effort applied
Load
Newton - meter
Design loop
23. A lever in which the fulcrum is between the effort and the load
lever
Fixed pulley
Pulley
First- class lever
24. Provides problem clarification and specification
Design brief
Potential energy
First- class levers
Innovation
25. When a machine multiplies the effort being used
Brainstorming
Mechanical advantage
Put your ideas - designs - and calculations on paper
Technology
26. The English unit of measuring work
Third- class lever
Design loop
Foot- pounds
Decreases the effort needed to move a load - transfers speed or force - and changes the direction of the effort applied
27. The planned process of change
W = F x d
Work
Design
Specifications
28. 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
Put your ideas - designs - and calculations on paper
lever
The problem solving process
Chain hoist
29. A shaft with a screw thread that meshes with a toothed wheel to alter the direction of motion - and change the speed and force
Energy
Design loop
Worm gears
The number of pulley wheels
30. When designing a solution to a problem - a problem solver should always
Problems
Foot- pounds
Generate many alternative solutions
Kinetic energy
31. Which is not a true statement about gears?
Law of Conservation of Energy
Work
Innovations
All gears are shaped like wheels with straight teeth that mesh with other wheels with straight teeth
32. The generation of ideas for solutions by a group is known as
Resistance
Kinetic energy
Brainstorming
Modify your design ideas and choose another alternative
33. A guide to help make problem solving in technology more effective
Design loop
Design brief
Bevel gears
Potential energy
34. A bar or rod that tilts on a pivot - or fulcrum
Decreases the effort needed to move a load - transfers speed or force - and changes the direction of the effort applied
Lever
First- class lever
Design loop
35. Two wheels that intermest at an angle to change the direction of rotation - also altering speed and force if necessary
Modify your design ideas and choose another alternative
Lever
Pulley
Bevel gears
36. Consists of an endless chain looped around three pulleys
Lever
Worm gears
Chain hoist
First- class levers
37. Provides direction for the work of the designer
Design loop
Design loop
The number of pulley wheels
Design brief
38. A force that opposes motion
The number of pulley wheels
Friction
Mechanical advantage
Kinetic energy
39. The improvement of things already invented
First- class lever
Gears
Effort
Innovation
40. 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
Fulcrum
Screw
The problem solving process
41. Models that function and look like the finished product but are usually hand- built
Design loop
Bevel gears
Power
Prototypes
42. The turning point of a lever
Movable pulley
Fulcrum
Potential energy
Pulley
43. Come in a variety of sizes with their teeth straight or curved and inclined at a variety of angles
Friction
Design loop
Law of Conservation of Energy
Gears
44. Work divided by time
Functional models
Modify your design ideas and choose another alternative
Power
Energy
45. Energy of position
Pulley
Potential energy
Movable pulley
The number of pulley wheels
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?
Energy
The problem solving process
Worm gears
Put your ideas - designs - and calculations on paper
47. Describes the limitations and requirements of the project's solution
Potential energy
Specifications
Third- class lever
Spur gears
48. The generation of ideas for solutions
Specifications
Screw
Brainstorming
Design brief
49. The force (push or pull) used to do work
Effort
First- class levers
Chain hoist
Specifications
50. If you generate alternative solutions and begin to build your best solution - but you have problems building your design - what should you do?
Load
Modify your design ideas and choose another alternative
Put your ideas - designs - and calculations on paper
Ergonomics