Podcast
Play an AI-generated podcast conversation about this lesson
Questions and Answers
What method is used to determine hardness in hardness testing?
What method is used to determine hardness in hardness testing?
- Impact testing
- Fatigue strength testing
- Tensile strength testing
- Resistance to penetration (correct)
Which tester uses a hardened spherical ball for testing?
Which tester uses a hardened spherical ball for testing?
- Brinell tester (correct)
- Impact testing
- Rockwell tester
- Tensile strength testing
What is the diameter of the ball used in the Brinell hardness tester?
What is the diameter of the ball used in the Brinell hardness tester?
- 5 millimeters
- 8 millimeters
- 15 millimeters
- 10 millimeters (correct)
Which material uses a pressure of 3000 kilograms for the Brinell test?
Which material uses a pressure of 3000 kilograms for the Brinell test?
Signup and view all the answers
What is used to measure the diameter of the impression after a Brinell test?
What is used to measure the diameter of the impression after a Brinell test?
Signup and view all the answers
What does the Rockwell tester directly measure on its dial?
What does the Rockwell tester directly measure on its dial?
Signup and view all the answers
What do Rockwell hardness numbers indicate about a material?
What do Rockwell hardness numbers indicate about a material?
Signup and view all the answers
'What does a greater difference between major and minor loads in Rockwell testing indicate?
'What does a greater difference between major and minor loads in Rockwell testing indicate?
Signup and view all the answers
