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