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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 metric unit for measuring work
Newton - meter
Prototypes
Functional models
Pulley
2. The amount of effort needed to raise a load by using a pulley system is determined by
Design brief
Technology
The number of pulley wheels
Spur gears
3. 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
Work
Functional models
Modify your design ideas and choose another alternative
4. Ways of overcoming difficulties
All gears are shaped like wheels with straight teeth that mesh with other wheels with straight teeth
lever
Solutions
Newton - meter
5. The ability to do work
Worm gears
Energy
The problem solving process
Resistance
6. When a machine multiplies the effort being used
Design loop
Mechanical advantage
Lever
Design
7. Provides problem clarification and specification
Screw
Newton - meter
Design brief
Brainstorming
8. 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
Second- class lever
Friction
Design
9. Shows what a product will look like when it is produced
Decreases the effort needed to move a load - transfers speed or force - and changes the direction of the effort applied
Appearance model
Third- class lever
Problems
10. Operational models used to test the mechanical or electrical systems
Modify your design ideas and choose another alternative
Functional models
Brainstorming
Invention
11. Work divided by time
Design loop
Power
First- class lever
The problem solving process
12. Two gear wheels that intermesh in the same plane - regulating the speed or force of motion and reversing its direction
Law of Conservation of Energy
Spur gears
Design brief
Horsepower
13. Provides a structure for thinking and doing
Mechanical advantage
Design loop
Movable pulley
First- class levers
14. A machine in which a lever rotates around a fixed point
Specifications
Functional models
The number of pulley wheels
Wheel and axle
15. A pulley that makes work easier
Work
Block and tackle
Law of Conservation of Energy
Movable pulley
16. Two wheels that intermest at an angle to change the direction of rotation - also altering speed and force if necessary
Potential energy
Bevel gears
Work
Design brief
17. 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?
Appearance model
Problems
Put your ideas - designs - and calculations on paper
Fixed pulley
18. The weight of the obect being moved
Resistance
All gears are shaped like wheels with straight teeth that mesh with other wheels with straight teeth
Spur gears
Functional models
19. Toothed wheels that intermesh with other toothed wheels to transmit motion and force are
Pulley
Friction
Gears
Brainstorming
20. Energy may change form but the amount of energy remains the same
Law of Conservation of Energy
First- class lever
Horsepower
Spur gears
21. A guide to help make problem solving in technology more effective
Wheel and axle
Specifications
Horsepower
Design loop
22. Involves the effort you put in and the distance over which you maintain the effort
Design loop
Effort
First- class levers
Work
23. The process of how solutions to problems are developed is
The problem solving process
Decreases the effort needed to move a load - transfers speed or force - and changes the direction of the effort applied
Innovation
Gears
24. 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
Law of Conservation of Energy
Block and tackle
Work
Modify your design ideas and choose another alternative
25. 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
Power
Mechanical advantage
lever
Fixed pulley
26. The development of something completely new
Bevel gears
Invention
Design
Effort
27. Models that function and look like the finished product but are usually hand- built
Prototypes
Power
Design brief
Brainstorming
28. The study of how human beings best interact with technology
Invention
Science
Specifications
Ergonomics
29. Machines are used to make work easier. How does a machine accomplish this?
Invention
Technology
Kinetic energy
Decreases the effort needed to move a load - transfers speed or force - and changes the direction of the effort applied
30. The generation of ideas for solutions by a group is known as
Invention
Brainstorming
Wheel and axle
Modify your design ideas and choose another alternative
31. The generation of ideas for solutions
Brainstorming
Kinetic energy
W = F x d
First- class levers
32. Seeks to meer our needs and wants and to extend our capabilities
Technology
Brainstorming
Science
Invention
33. A shaft with a screw thread that meshes with a toothed wheel to alter the direction of motion - and change the speed and force
Problems
Worm gears
Functional models
Law of Conservation of Energy
34. Energy of position
Pulley
Potential energy
Bevel gears
Gears
35. When designing a solution to a problem - a problem solver should always
W = F x d
Put your ideas - designs - and calculations on paper
Generate many alternative solutions
Design brief
36. 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
Gears
Pulley
Newton - meter
Brainstorming
37. Seeks to explain and describe the physical world
Innovation
The number of pulley wheels
Fixed pulley
Science
38. A bar or rod that tilts on a pivot - or fulcrum
Kinetic energy
Lever
Design
Chain hoist
39. Come in a variety of sizes with their teeth straight or curved and inclined at a variety of angles
The problem solving process
Put your ideas - designs - and calculations on paper
Gears
Law of Conservation of Energy
40. 550 foot- pounds per second
Invention
Friction
Horsepower
Fixed pulley
41. An inclined plane which is wrapped around a cylinder
Foot- pounds
Horsepower
Rack and pinion gears
Screw
42. Force times distance
Second- class lever
Invention
Work
Ergonomics
43. The force (push or pull) used to do work
Potential energy
Effort
Gears
Block and tackle
44. The scientific formula for work is
W = F x d
Power
Newton - meter
All gears are shaped like wheels with straight teeth that mesh with other wheels with straight teeth
45. Provides direction for the work of the designer
Design loop
Design brief
Problems
First- class levers
46. A lever in which the fulcrum is between the effort and the load
Design loop
First- class lever
Specifications
lever
47. A force that opposes motion
Ergonomics
Energy
Friction
lever
48. Changes and improvements made to products already invented are
Gears
Law of Conservation of Energy
Innovations
Put your ideas - designs - and calculations on paper
49. The force applied to a lever
Second- class lever
Effort
Rack and pinion gears
Specifications
50. More than one pulley working together
Invention
Block and tackle
Movable pulley
All gears are shaped like wheels with straight teeth that mesh with other wheels with straight teeth