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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
Design loop
Design brief
Work
Rack and pinion gears
2. A guide to help make problem solving in technology more effective
Resistance
Horsepower
lever
Design loop
3. The development of something completely new
Put your ideas - designs - and calculations on paper
Bevel gears
Block and tackle
Invention
4. A bar or rod that tilts on a pivot - or fulcrum
Prototypes
Technology
Power
Lever
5. Seeks to explain and describe the physical world
lever
Science
Invention
Friction
6. Describes the limitations and requirements of the project's solution
First- class lever
Resistance
Science
Specifications
7. The generation of ideas for solutions by a group is known as
Design brief
Friction
Effort
Brainstorming
8. 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
Chain hoist
Prototypes
lever
Brainstorming
9. Shows what a product will look like when it is produced
Movable pulley
Appearance model
Chain hoist
Law of Conservation of Energy
10. A pulley that changes direction of effort but provides no mechanical advantage
Screw
Design brief
Second- class lever
Fixed pulley
11. Changes and improvements made to products already invented are
Decreases the effort needed to move a load - transfers speed or force - and changes the direction of the effort applied
Pulley
Horsepower
Innovations
12. The generation of ideas for solutions
Brainstorming
Second- class lever
Effort
Science
13. Energy of position
Potential energy
Chain hoist
W = F x d
Lever
14. The amount of effort needed to raise a load by using a pulley system is determined by
Second- class lever
Design loop
Horsepower
The number of pulley wheels
15. Provides a structure for thinking and doing
Load
Wheel and axle
Design loop
Law of Conservation of Energy
16. When designing a solution to a problem - a problem solver should always
Generate many alternative solutions
Law of Conservation of Energy
Third- class lever
Rack and pinion gears
17. The energy of motion
Kinetic energy
Invention
Innovations
Second- class lever
18. 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
Functional models
Pulley
Foot- pounds
Fixed pulley
19. When a machine multiplies the effort being used
Fulcrum
Mechanical advantage
Prototypes
Gears
20. Operational models used to test the mechanical or electrical systems
Functional models
Technology
Fixed pulley
Worm gears
21. Which is not a true statement about gears?
Work
Brainstorming
All gears are shaped like wheels with straight teeth that mesh with other wheels with straight teeth
Innovations
22. A force that opposes motion
Solutions
Gears
Friction
Technology
23. 550 foot- pounds per second
Horsepower
Science
Innovations
Design
24. A lever in which the fulcrum is between the effort and the load
Design
Power
First- class lever
Solutions
25. Work divided by time
Load
Power
Invention
Modify your design ideas and choose another alternative
26. The weight or resistance on a lever
Load
Energy
Design loop
Second- class lever
27. The difficulties we must overcome
Design loop
W = F x d
Design loop
Problems
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
Design loop
Science
Pulley
Screw
29. The planned process of change
Design loop
Design
Movable pulley
Problems
30. Seeks to meer our needs and wants and to extend our capabilities
Technology
lever
All gears are shaped like wheels with straight teeth that mesh with other wheels with straight teeth
Horsepower
31. Levers in which the fulcrum is always placed between the effort and the load are called
First- class levers
Design
Design brief
Energy
32. Come in a variety of sizes with their teeth straight or curved and inclined at a variety of angles
Pulley
Brainstorming
Gears
Chain hoist
33. 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?
Newton - meter
Put your ideas - designs - and calculations on paper
Friction
lever
34. Two gear wheels that intermesh in the same plane - regulating the speed or force of motion and reversing its direction
Innovations
Spur gears
Specifications
Effort
35. The English unit of measuring work
W = F x d
Fixed pulley
Foot- pounds
Solutions
36. The metric unit for measuring work
Third- class lever
Pulley
Effort
Newton - meter
37. A wheel that meshes with a sliding toothed bar - converting rotary motion to reciprocating (to- and- fro)
Rack and pinion gears
The problem solving process
Work
Put your ideas - designs - and calculations on paper
38. The scientific formula for work is
Effort
Mechanical advantage
Potential energy
W = F x d
39. Toothed wheels that intermesh with other toothed wheels to transmit motion and force are
Gears
Work
Innovations
Brainstorming
40. The improvement of things already invented
All gears are shaped like wheels with straight teeth that mesh with other wheels with straight teeth
Design brief
Innovation
Rack and pinion gears
41. A lever in which the fulcrum is at one end - and the effort is at the other end
Second- class lever
Solutions
Energy
Brainstorming
42. If you generate alternative solutions and begin to build your best solution - but you have problems building your design - what should you do?
Effort
Second- class lever
Modify your design ideas and choose another alternative
Worm gears
43. Provides direction for the work of the designer
Potential energy
Design brief
Design loop
Fixed pulley
44. Ways of overcoming difficulties
Solutions
Fulcrum
Work
Technology
45. Provides problem clarification and specification
Design brief
Problems
All gears are shaped like wheels with straight teeth that mesh with other wheels with straight teeth
Design
46. Energy may change form but the amount of energy remains the same
Law of Conservation of Energy
Second- class lever
Resistance
Design loop
47. The force (push or pull) used to do work
Brainstorming
Science
Wheel and axle
Effort
48. 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
Screw
Worm gears
Block and tackle
Innovation
49. The weight of the obect being moved
Foot- pounds
Chain hoist
Resistance
Block and tackle
50. The force applied to a lever
Effort
Third- class lever
Second- class lever
Design loop