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