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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. Provides a structure for thinking and doing
Brainstorming
Design loop
Third- class lever
Design brief
2. Consists of an endless chain looped around three pulleys
Rack and pinion gears
Decreases the effort needed to move a load - transfers speed or force - and changes the direction of the effort applied
Fulcrum
Chain hoist
3. The energy of motion
Brainstorming
Kinetic energy
Mechanical advantage
Innovations
4. The force (push or pull) used to do work
Horsepower
Resistance
Design brief
Effort
5. A lever in which the fulcrum is at one end - and the load is at the other end
Third- class lever
Problems
Effort
Design loop
6. Energy of position
Work
Potential energy
Block and tackle
Modify your design ideas and choose another alternative
7. Changes and improvements made to products already invented are
Innovation
Energy
Gears
Innovations
8. Come in a variety of sizes with their teeth straight or curved and inclined at a variety of angles
Mechanical advantage
Invention
Design brief
Gears
9. A pulley that makes work easier
Generate many alternative solutions
Movable pulley
Load
Invention
10. 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
Worm gears
Pulley
Invention
Design loop
11. Which is not a true statement about gears?
All gears are shaped like wheels with straight teeth that mesh with other wheels with straight teeth
Horsepower
Solutions
Spur gears
12. The amount of effort needed to raise a load by using a pulley system is determined by
Potential energy
Design
The number of pulley wheels
Movable pulley
13. A force that opposes motion
Foot- pounds
Movable pulley
Friction
Screw
14. More than one pulley working together
Design loop
Law of Conservation of Energy
Block and tackle
Gears
15. 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?
Put your ideas - designs - and calculations on paper
Science
Rack and pinion gears
Decreases the effort needed to move a load - transfers speed or force - and changes the direction of the effort applied
16. Work divided by time
Lever
W = F x d
Movable pulley
Power
17. A bar or rod that tilts on a pivot - or fulcrum
First- class lever
Design brief
Fixed pulley
Lever
18. The process of how solutions to problems are developed is
Second- class lever
Horsepower
Movable pulley
The problem solving process
19. 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
Horsepower
Newton - meter
Innovations
20. The difficulties we must overcome
Gears
Work
Problems
Energy
21. A lever in which the fulcrum is between the effort and the load
Work
First- class lever
Spur gears
Ergonomics
22. 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
lever
Potential energy
Bevel gears
First- class levers
23. The turning point of a lever
Modify your design ideas and choose another alternative
Second- class lever
Fulcrum
Block and tackle
24. The weight of the obect being moved
Kinetic energy
Ergonomics
Resistance
The number of pulley wheels
25. The metric unit for measuring work
Resistance
Worm gears
Put your ideas - designs - and calculations on paper
Newton - meter
26. The planned process of change
Design
Fulcrum
Bevel gears
Technology
27. If you generate alternative solutions and begin to build your best solution - but you have problems building your design - what should you do?
Friction
Brainstorming
Rack and pinion gears
Modify your design ideas and choose another alternative
28. Two gear wheels that intermesh in the same plane - regulating the speed or force of motion and reversing its direction
Spur gears
Brainstorming
Law of Conservation of Energy
Gears
29. Shows what a product will look like when it is produced
Appearance model
Pulley
Block and tackle
Resistance
30. The development of something completely new
Load
Invention
Horsepower
Innovations
31. A guide to help make problem solving in technology more effective
Brainstorming
Design loop
Block and tackle
The number of pulley wheels
32. When designing a solution to a problem - a problem solver should always
Design loop
Energy
Generate many alternative solutions
Bevel gears
33. Ways of overcoming difficulties
Pulley
Design loop
Worm gears
Solutions
34. The generation of ideas for solutions by a group is known as
First- class lever
Ergonomics
Brainstorming
Design brief
35. The study of how human beings best interact with technology
Work
Work
Ergonomics
Brainstorming
36. A machine in which a lever rotates around a fixed point
Power
Wheel and axle
Gears
The problem solving process
37. Two wheels that intermest at an angle to change the direction of rotation - also altering speed and force if necessary
Potential energy
Bevel gears
Friction
Mechanical advantage
38. 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
Pulley
The number of pulley wheels
lever
Fixed pulley
39. Seeks to explain and describe the physical world
lever
Science
Newton - meter
Rack and pinion gears
40. Models that function and look like the finished product but are usually hand- built
The number of pulley wheels
Rack and pinion gears
Prototypes
Design loop
41. When a machine multiplies the effort being used
Effort
Pulley
First- class levers
Mechanical advantage
42. 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
Invention
Block and tackle
Science
Potential energy
43. The scientific formula for work is
Solutions
First- class lever
W = F x d
Specifications
44. Machines are used to make work easier. How does a machine accomplish this?
Decreases the effort needed to move a load - transfers speed or force - and changes the direction of the effort applied
Brainstorming
Fulcrum
lever
45. Provides problem clarification and specification
Decreases the effort needed to move a load - transfers speed or force - and changes the direction of the effort applied
Innovations
Design brief
Functional models
46. 550 foot- pounds per second
Put your ideas - designs - and calculations on paper
Foot- pounds
Prototypes
Horsepower
47. A pulley that changes direction of effort but provides no mechanical advantage
Fixed pulley
Spur gears
Invention
All gears are shaped like wheels with straight teeth that mesh with other wheels with straight teeth
48. Provides a framework for design and problem solving work
The number of pulley wheels
Work
Worm gears
Design loop
49. The English unit of measuring work
Problems
Appearance model
Foot- pounds
Design loop
50. Operational models used to test the mechanical or electrical systems
Functional models
Screw
Fixed pulley
Innovations