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POE Midterm

Total questions: 58

Worksheet time: 11hrs 22mins

Name
Class
Date
1.

which one is a first class lever

a)
b)
c)
2.

which one is a second class lever

a)
b)
c)
3.

which one is a third class lever

a)
b)
c)
4.

Which lever has a MA that's equal to 1

a)

first class

b)

second class

c)

third class

5.

Which lever has a MA that's greater than 1

a)

first class

b)

second class

c)

third class

6.

Which lever has a MA that's less than 1

a)

first class

b)

second class

c)

third class

7.

True or false:

Wheel ø > Axle ø

a)

True

b)

False

8.

Which one is a fixed pulley?

a)
b)
c)
9.

Which one is a moveable pulley?

a)
b)
c)
10.

Which one is a block and tackle pulley?

a)
b)
c)
11.

Which pulley always has an IMA of 1

a)

fixed pulley

b)

moveable pulley

c)

block and tackle pulley

12.

Which pulley always has an IMA of 2

a)

fixed pulley

b)

moveable pulley

c)

block and tackle pulley

13.

Which pulley's IMA is equal to the number of support strings

a)

fixed pulley

b)

moveable pulley

c)

block and tackle pulley

14.

Which value represents the effort distance in the picture

a)

15.0 ft

b)

4.0 ft

c)

15.52 ft

15.

Which value represents the resistance distance in the picture

a)

15.0 ft

b)

4.0 ft

c)

15.52 ft

16.

Which value represents the effort force

a)

50 lbs

b)

20 lbs

c)

15 ft

d)

4 ft

17.

Which value represents the resistance force

a)

50 lbs

b)

20 lbs

c)

15 ft

d)

4 ft

18.

which one's the De

a)

H

b)

L

c)

fr

19.

which one's the Dr

a)

H

b)

L

c)

fr

20.

what's the value of the de

a)

4.0

b)

10.0

c)

2.0

d)

9.8

21.

what's the value of the dr

a)

4.0

b)

10.0

c)

2.0

d)

9.8

22.

Number 1 is

a)

Generate Concepts

b)

Define a problem

c)

Present Solution

d)

Evaluate Solution

23.

Number 2 is

a)

Generate Concepts

b)

Define a problem

c)

Develop a Solution

d)

Evaluate Solution

24.

Number 3 is

a)

Construct & Test Prototype

b)

Present Solution

c)

Develop a Solution

d)

Evaluate Solution

25.

Number 4 is

a)

Scientific Research Needed

b)

Construct & Test Prototype

c)

Develop a Solution

d)

Evaluate Solution

26.

Number 5 is

a)

Generate Concepts

b)

Product Innovation

c)

Develop Solution

d)

Evaluate Solution

27.

Number 6 is

a)

Construct & Test Prototypes

b)

Present Solution

c)

Develop Solution

d)

Evaluate Solution

28.

Number 7 is

a)

Is Prototype Valid?

b)

Needed Technology Exists?

c)

Scientific Research Needed

d)

Problem Valid and Justifiable?

29.

Number 8 is

a)

Solution Solves Problems?

b)

Needed Technology Exists?

c)

Develop a Solution

d)

Is Prototype Valid?

30.

Number 9 is

a)

Is Solution Valid?

b)

Solution Solves Problem?

c)

Problem Valid and Justifiable

d)

Evaluate Solution

31.

Number 10 is

a)

scientific research needed

b)

Is solution valid?

c)

Is Prototype Valid?

d)

solution solves problem?

32.

Number 11 is

a)

present solution

b)

solution solves problem?

c)

is solution valid?

d)

is prototype valid?

33.

Number 12 is

a)

product innovation

b)

scientific research needed

c)

present solution

d)

generate solution

34.

Number 13 is

a)

define solution

b)

scientific research needed

c)

develop a Solution

d)

product innovation

35.

Which of the following are scalar quantities?

a)

Mass

b)

Area

c)

Position

d)

Time

e)

Force

36.

if the mechanical advantage is greater than 1...

a)

apply less force over a greater distance

b)

apply greater force over a greater distance

c)

apply less force over a less distance

d)

apply greater force over a less distance

37.

if the mechanical advantage is less than 1...

a)

apply less force over a greater distance

b)

apply greater force over a greater distance

c)

apply less force over a less distance

d)

apply greater force over a less distance

38.

What is the red one called?

a)

The driver

b)

The idler

c)

The driven

39.

What is the blue one called?

a)

The driver

b)

The idler

c)

The driven

40.

What is the green one called?

a)

The driver

b)

The idler

c)

The driven

41.

RPMb _ RPMa

a)

>

b)

=

c)

<

42.

RPMb _ RPMc

a)

>

b)

=

c)

<

43.

RPMa _ RPMc

a)

>

b)

=

c)

<

44.

Geometric Structural Member Properties

a)

Measure of strength based on shape and orientation

b)

Measure of strength based on material

45.

Chemical Structural Member Properties

a)

Measure of strength based on shape and orientation

b)

Measure of strength based on material

46.

While using joist, the height is __ than the width

a)

greater

b)

less

47.

While using joist, the height is __ than the width

a)

greater

b)

less

48.

Which symbol indicates that the product is made from recycled material?

a)

b)

c)

d)

49.

Which symbol indicates the percentage of product made from recycled material?

a)
b)
c)
d)
50.

Which symbol represents the steps of recycling?

a)
b)
c)
d)
51.

Which symbol identifies resin content?

a)
b)
c)
d)
52.

What are some applications of PET/PETE

a)

Milk jugs

b)

Trash cans

c)

Carpet

d)

Medical Tubing

e)

Playground equipment

53.

What are some applications of HDPE

a)

Milk jugs

b)

Trash cans

c)

Carpet

d)

Cleaner bottles

e)

Playground equipment

54.

What are some applications of PVC

a)

Milk jugs

b)

Medical tubing

c)

Carpet

d)

Cleaner bottles

e)

Playground equipment

55.

What are some applications of LDPE

a)

Milk jugs

b)

Trash cans

c)

Bread Bags

d)

Medical Tubing

e)

Playground equipment

56.

What are some applications of PP

a)

Straws

b)

Signal Lights

c)

Bread Bags

d)

Ketchup Bottles

e)

Playground equipment

57.

What are some applications of PS

a)

Squeezable bottles

b)

Signal Lights

c)

Egg cartons

d)

Ketchup Bottles

e)

Playground equipment

58.

What are examples of physical properties?

a)

Boiling point

b)

Flammability

c)

Electrical Conductivity

d)

Freezing Point

e)

Texture

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