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