Basic Material Properties

Questions

Settings

Share on Facebook Share on Twitter Share on Whatsapp Share on Pinterest Share on Email Copy to Clipboard Embed on your website

This quiz is a quick fact check for a CAD Design student taking the Manufacturing Processes class.
It is worth 10 points and is given with or without warning.
It is also for KSP 619.

Questions and Answers

1.

On a teeter-totter, Johnny weighs 60# and is 12 feet from the center. An African elephant weighing 4000# is on the other side, it is .50 feet from the center. They are in equilibrium.
- A.
  
  True
- B.
  
  False
Correct Answer
B. False

Explanation
The elephant would be .18 feet from the center. The teeter totter would tip to the elephants side.

Rate this question:
2.

Force = 41357.422 pounds = 1.25” dia bar, 50000 psi in compression.
- A.
  
  True
- B.
  
  False
Correct Answer
B. False

Explanation
61000 + Pounds would be the answer to this question.

Rate this question:
3.

1020 steel has .20% carbon.
- A.
  
  True
- B.
  
  False
Correct Answer
A. True
4.

Strength = Resistance to deformation.
- A.
  
  True
- B.
  
  False
Correct Answer
A. True
5.

315 mm = __________ inches

Correct Answer
12.402
12.401

Explanation
315 / 25.4

Rate this question:

1
4 0
6.

270 inches = __________ mm

Correct Answer
6858

Explanation
270 * 25.4

Rate this question:

4
7.

Thermoset plastics melt upon reheating.
- A.
  
  True
- B.
  
  False
Correct Answer
B. False

Explanation
Thermoplastics Melt, thermosets burn - see bakelite

Rate this question:

1
0
8.

Color and pattern of the sparks can be used to identify steels while grinding.
- A.
  
  True
- B.
  
  False
Correct Answer
A. True
9.

The hardness tester shown in this video is the most common type of tester.
- A.
  
  True
- B.
  
  False
Correct Answer
A. True
10.

A Rockwell C 61 is __________ Brinell. (Don't forget the Units.) Use this chart: Conversion Chart.
- A.
  
  235
- B.
  
  682
- C.
  
  670
Correct Answer
C. 670

Quiz Review Timeline +

Our quizzes are rigorously reviewed, monitored and continuously updated by our expert board to maintain accuracy, relevance, and timeliness.

Current Version
Jan 23, 2013

Quiz Edited by
ProProfs Editorial Team
Mar 15, 2011

Quiz Created by
Zymij

Basic Material Properties

On a teeter-totter, Johnny weighs 60# and is 12 feet from the center. An African elephant weighing 4000# is on the other side, it is .50 feet from the center. They are in equilibrium.

Force = 41357.422 pounds = 1.25” dia bar, 50000 psi in compression.

1020 steel has .20% carbon.

Strength = Resistance to deformation.

315 mm = __________ inches

270 inches = __________ mm

Thermoset plastics melt upon reheating.

Color and pattern of the sparks can be used to identify steels while grinding.

The hardness tester shown in this video is the most common type of tester.

A Rockwell C 61 is __________ Brinell. (Don't forget the Units.) Use this chart: Conversion Chart.