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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. 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?
Design
Put your ideas - designs - and calculations on paper
Potential energy
Brainstorming
2. The study of how human beings best interact with technology
Wheel and axle
Brainstorming
Ergonomics
Put your ideas - designs - and calculations on paper
3. Machines are used to make work easier. How does a machine accomplish this?
First- class levers
Potential energy
Decreases the effort needed to move a load - transfers speed or force - and changes the direction of the effort applied
Screw
4. The energy of motion
Pulley
Work
Mechanical advantage
Kinetic energy
5. A pulley that changes direction of effort but provides no mechanical advantage
Design
Innovations
Fixed pulley
lever
6. The English unit of measuring work
Effort
Friction
Foot- pounds
Design loop
7. The scientific formula for work is
W = F x d
Law of Conservation of Energy
Brainstorming
Gears
8. 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
First- class levers
Effort
Pulley
Brainstorming
9. Which is not a true statement about gears?
Worm gears
All gears are shaped like wheels with straight teeth that mesh with other wheels with straight teeth
Power
Solutions
10. When designing a solution to a problem - a problem solver should always
Problems
Generate many alternative solutions
Ergonomics
Horsepower
11. Changes and improvements made to products already invented are
Prototypes
Generate many alternative solutions
Appearance model
Innovations
12. 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
Chain hoist
Pulley
Potential energy
Brainstorming
13. A shaft with a screw thread that meshes with a toothed wheel to alter the direction of motion - and change the speed and force
Block and tackle
Effort
Worm gears
Third- class lever
14. The improvement of things already invented
All gears are shaped like wheels with straight teeth that mesh with other wheels with straight teeth
Innovation
Work
Spur gears
15. Provides direction for the work of the designer
Pulley
Design brief
The number of pulley wheels
The problem solving process
16. A lever in which the fulcrum is at one end - and the load is at the other end
Block and tackle
Fulcrum
Third- class lever
Power
17. A machine in which a lever rotates around a fixed point
Wheel and axle
Put your ideas - designs - and calculations on paper
Energy
Effort
18. When a machine multiplies the effort being used
Fulcrum
Block and tackle
Mechanical advantage
Foot- pounds
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
Block and tackle
Load
Design
Resistance
20. Seeks to explain and describe the physical world
Generate many alternative solutions
Science
Gears
Bevel gears
21. An inclined plane which is wrapped around a cylinder
Screw
Prototypes
Design loop
Fixed pulley
22. More than one pulley working together
Block and tackle
Problems
Design loop
Prototypes
23. The generation of ideas for solutions
Generate many alternative solutions
lever
Brainstorming
The number of pulley wheels
24. The weight or resistance on a lever
All gears are shaped like wheels with straight teeth that mesh with other wheels with straight teeth
Load
Newton - meter
Innovation
25. Provides problem clarification and specification
Bevel gears
First- class lever
Energy
Design brief
26. Involves the effort you put in and the distance over which you maintain the effort
Gears
Work
Effort
Wheel and axle
27. Provides a structure for thinking and doing
Third- class lever
Effort
Design loop
The number of pulley wheels
28. A bar or rod that tilts on a pivot - or fulcrum
Block and tackle
Lever
Friction
Technology
29. Come in a variety of sizes with their teeth straight or curved and inclined at a variety of angles
Gears
Functional models
Design
Innovations
30. Energy may change form but the amount of energy remains the same
Innovation
Law of Conservation of Energy
Third- class lever
Technology
31. The amount of effort needed to raise a load by using a pulley system is determined by
Wheel and axle
The number of pulley wheels
Science
Design brief
32. Provides a framework for design and problem solving work
Design loop
Design brief
Gears
Movable pulley
33. The difficulties we must overcome
Problems
Gears
Invention
Modify your design ideas and choose another alternative
34. A force that opposes motion
Friction
The number of pulley wheels
Potential energy
Decreases the effort needed to move a load - transfers speed or force - and changes the direction of the effort applied
35. Shows what a product will look like when it is produced
Worm gears
Law of Conservation of Energy
Third- class lever
Appearance model
36. Models that function and look like the finished product but are usually hand- built
Solutions
Prototypes
Second- class lever
Design loop
37. Two wheels that intermest at an angle to change the direction of rotation - also altering speed and force if necessary
Bevel gears
Modify your design ideas and choose another alternative
Fixed pulley
Effort
38. The process of how solutions to problems are developed is
The problem solving process
Put your ideas - designs - and calculations on paper
Block and tackle
Fulcrum
39. Two gear wheels that intermesh in the same plane - regulating the speed or force of motion and reversing its direction
Spur gears
Design brief
Rack and pinion gears
Pulley
40. A lever in which the fulcrum is at one end - and the effort is at the other end
Energy
Gears
Second- class lever
Newton - meter
41. The development of something completely new
Technology
Invention
Innovation
Brainstorming
42. The generation of ideas for solutions by a group is known as
Pulley
Brainstorming
Design brief
Solutions
43. Ways of overcoming difficulties
Problems
Science
Load
Solutions
44. Seeks to meer our needs and wants and to extend our capabilities
Put your ideas - designs - and calculations on paper
Screw
Gears
Technology
45. The ability to do work
Innovations
Energy
Pulley
Design loop
46. The metric unit for measuring work
Newton - meter
Friction
Ergonomics
Innovation
47. 550 foot- pounds per second
Newton - meter
Design loop
Horsepower
Prototypes
48. A pulley that makes work easier
Technology
Movable pulley
Specifications
Brainstorming
49. Toothed wheels that intermesh with other toothed wheels to transmit motion and force are
Gears
Law of Conservation of Energy
Spur gears
First- class levers
50. 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
Second- class lever
lever
Brainstorming
Design loop