My Report

Materials Science Practice Test 6


Correct Answer: 2 points | Wrong: -1 point
Grades: A* (100% score) | A (80%-99%) | B (60%-80%) | C (40%-60%) | D (0%-40%)
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1. Which of the following decreases transition temperature in steel?

2. Below which point does fatigue occur?

3. What amount of actual stress would be needed to fracture bulk glass?

4. What is the unit of impact strength?

5. Which of the following is associated with minimum plastic deformation?

6. For polymers close to glass transition temperature which of the following can be a value of G?

7. What can be height of an extrusion or an intrusion which is responsible for crack initiation in case of fatigue (in cm?

8. In which of the following stages do the deformation rate increases and causes failure?

9. Which of the theory is related to brittle fracture?

10. According to Griffith if f is stress at fracture and a is flaw length then which of the following is true?


 

Manish Bhojasia - Founder & CTO at Sanfoundry
Manish Bhojasia, a technology veteran with 20+ years @ Cisco & Wipro, is Founder and CTO at Sanfoundry. He lives in Bangalore, and focuses on development of Linux Kernel, SAN Technologies, Advanced C, Data Structures & Alogrithms. Stay connected with him at LinkedIn.

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