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