BME 350 - EXAM 4, BME 350 QUIZ 4 UPDATED ACTUAL
QUESTIONS AND CORRECT ANSWERS
Question:
1. What is failure analysis?
Answer:
The systematic study of various modes of material failure
Question:
2. What does nondestructive testing offer?
Answer:
A means to identify material flaws before failure occurs
Question:
3. What is failure prevention?
Answer:
The application of the knowledge gained by prior noted studies
Question:
4. Who is present at all major public transit accidents?
Answer:
NTSB
Question:
5. Some mechanisms other than single load-to-failure tests
include?
Answer:
Impact, fatigue, and material flaws
Question:
6. What is the name of the impact test for metals?
Answer:
Charpy impact test
Question:
7. What is the name of the impact test for polymers?
Answer:
Izod impact test
, Question:
8. What does the Charpy Impact test quantify?
Answer:
impact energy needed to fracture "standard test specimen" under standardized
impact load
Question:
9. For an Charpy impact test, impact energy is __________ to
material toughness using the standard test method
Answer:
proportional
3 multiple choice options
Question:
10. A Charpy Impact test is actually a modified?
Answer:
Tensile test
Question:
11. What is the difference between quasi-static tensile testing
and Charpy testing?
Answer:
Rate of loading the material during test and defect in material structure
Question:
12. The impact energy of the Charpy test correlates to what
on the stress-strain curve?
Answer:
The area under the stress-strain curve
Question:
13. The Caveat to the Charpy impact tests is that.....
Answer:
The specimens must be precisely machined
Question:
14. How does a Charpy test work
Answer:
hammer strikes machined specimen, record the energy level required to fracture
specimen.
QUESTIONS AND CORRECT ANSWERS
Question:
1. What is failure analysis?
Answer:
The systematic study of various modes of material failure
Question:
2. What does nondestructive testing offer?
Answer:
A means to identify material flaws before failure occurs
Question:
3. What is failure prevention?
Answer:
The application of the knowledge gained by prior noted studies
Question:
4. Who is present at all major public transit accidents?
Answer:
NTSB
Question:
5. Some mechanisms other than single load-to-failure tests
include?
Answer:
Impact, fatigue, and material flaws
Question:
6. What is the name of the impact test for metals?
Answer:
Charpy impact test
Question:
7. What is the name of the impact test for polymers?
Answer:
Izod impact test
, Question:
8. What does the Charpy Impact test quantify?
Answer:
impact energy needed to fracture "standard test specimen" under standardized
impact load
Question:
9. For an Charpy impact test, impact energy is __________ to
material toughness using the standard test method
Answer:
proportional
3 multiple choice options
Question:
10. A Charpy Impact test is actually a modified?
Answer:
Tensile test
Question:
11. What is the difference between quasi-static tensile testing
and Charpy testing?
Answer:
Rate of loading the material during test and defect in material structure
Question:
12. The impact energy of the Charpy test correlates to what
on the stress-strain curve?
Answer:
The area under the stress-strain curve
Question:
13. The Caveat to the Charpy impact tests is that.....
Answer:
The specimens must be precisely machined
Question:
14. How does a Charpy test work
Answer:
hammer strikes machined specimen, record the energy level required to fracture
specimen.
