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