SUBJECTS
|
BROWSE
|
CAREER CENTER
|
POPULAR
|
JOIN
|
LOGIN
Business Skills
|
Soft Skills
|
Basic Literacy
|
Certifications
About
|
Help
|
Privacy
|
Terms
|
Email
Search
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. An inclined plane which is wrapped around a cylinder
Screw
Specifications
Work
Design
2. A machine in which a lever rotates around a fixed point
Wheel and axle
Law of Conservation of Energy
Functional models
Friction
3. Levers in which the fulcrum is always placed between the effort and the load are called
First- class levers
Second- class lever
Energy
Invention
4. Shows what a product will look like when it is produced
Worm gears
Pulley
Appearance model
Decreases the effort needed to move a load - transfers speed or force - and changes the direction of the effort applied
5. A lever in which the fulcrum is at one end - and the effort is at the other end
Effort
Second- class lever
Pulley
Science
6. 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
First- class levers
Generate many alternative solutions
Law of Conservation of Energy
7. Provides problem clarification and specification
Newton - meter
Load
Design brief
Bevel gears
8. Consists of an endless chain looped around three pulleys
Chain hoist
Lever
Newton - meter
Block and tackle
9. Involves the effort you put in and the distance over which you maintain the effort
Potential energy
Work
Problems
Put your ideas - designs - and calculations on paper
10. The generation of ideas for solutions
Effort
Brainstorming
Chain hoist
Technology
11. Two wheels that intermest at an angle to change the direction of rotation - also altering speed and force if necessary
Gears
Friction
Design loop
Bevel gears
12. Two gear wheels that intermesh in the same plane - regulating the speed or force of motion and reversing its direction
lever
Spur gears
Design loop
Modify your design ideas and choose another alternative
13. The process of how solutions to problems are developed is
Solutions
Problems
The problem solving process
Resistance
14. Force times distance
Science
Horsepower
Ergonomics
Work
15. A pulley that makes work easier
Pulley
Movable pulley
Effort
Energy
16. A bar or rod that tilts on a pivot - or fulcrum
Brainstorming
Law of Conservation of Energy
Functional models
Lever
17. Come in a variety of sizes with their teeth straight or curved and inclined at a variety of angles
Decreases the effort needed to move a load - transfers speed or force - and changes the direction of the effort applied
First- class lever
Effort
Gears
18. Ways of overcoming difficulties
Horsepower
Solutions
Design brief
Technology
19. The scientific formula for work is
W = F x d
Design
Problems
Technology
20. A wheel that meshes with a sliding toothed bar - converting rotary motion to reciprocating (to- and- fro)
Ergonomics
First- class lever
Power
Rack and pinion gears
21. Seeks to explain and describe the physical world
Science
Bevel gears
Design brief
Screw
22. Provides a framework for design and problem solving work
Second- class lever
Brainstorming
Kinetic energy
Design loop
23. The development of something completely new
Invention
Energy
First- class levers
Design
24. A shaft with a screw thread that meshes with a toothed wheel to alter the direction of motion - and change the speed and force
Design loop
Worm gears
Chain hoist
All gears are shaped like wheels with straight teeth that mesh with other wheels with straight teeth
25. The force (push or pull) used to do work
Worm gears
Wheel and axle
Potential energy
Effort
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
Decreases the effort needed to move a load - transfers speed or force - and changes the direction of the effort applied
Pulley
Block and tackle
Power
27. The metric unit for measuring work
Newton - meter
Wheel and axle
Power
Load
28. The turning point of a lever
Block and tackle
Fulcrum
Mechanical advantage
Power
29. If you generate alternative solutions and begin to build your best solution - but you have problems building your design - what should you do?
Science
Modify your design ideas and choose another alternative
Pulley
Gears
30. 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
Problems
Effort
Third- class lever
31. The energy of motion
Gears
All gears are shaped like wheels with straight teeth that mesh with other wheels with straight teeth
Second- class lever
Kinetic energy
32. When a machine multiplies the effort being used
Mechanical advantage
Bevel gears
Law of Conservation of Energy
Effort
33. The planned process of change
Potential energy
Foot- pounds
Design
Resistance
34. Describes the limitations and requirements of the project's solution
Science
Prototypes
Fulcrum
Specifications
35. Work divided by time
Power
Design brief
Lever
Effort
36. The amount of effort needed to raise a load by using a pulley system is determined by
Solutions
Design loop
The number of pulley wheels
Law of Conservation of Energy
37. Toothed wheels that intermesh with other toothed wheels to transmit motion and force are
Gears
Rack and pinion gears
Resistance
Potential energy
38. Provides direction for the work of the designer
Design brief
Load
Invention
Generate many alternative solutions
39. When designing a solution to a problem - a problem solver should always
Generate many alternative solutions
Technology
Work
lever
40. The English unit of measuring work
Bevel gears
Foot- pounds
Brainstorming
Design loop
41. Energy may change form but the amount of energy remains the same
Law of Conservation of Energy
Problems
Block and tackle
Potential energy
42. A lever in which the fulcrum is between the effort and the load
First- class lever
Effort
Innovation
Design loop
43. Changes and improvements made to products already invented are
Design loop
Innovations
Law of Conservation of Energy
Third- class lever
44. The weight or resistance on a lever
The problem solving process
lever
Load
Ergonomics
45. Energy of position
Mechanical advantage
Fixed pulley
Put your ideas - designs - and calculations on paper
Potential energy
46. A lever in which the fulcrum is at one end - and the load is at the other end
Potential energy
Effort
Third- class lever
Design brief
47. The difficulties we must overcome
Movable pulley
Ergonomics
The problem solving process
Problems
48. A guide to help make problem solving in technology more effective
Design loop
Innovation
lever
Movable pulley
49. More than one pulley working together
Foot- pounds
Block and tackle
Effort
Newton - meter
50. The weight of the obect being moved
Effort
Work
Resistance
Prototypes