MCQOPTIONS
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MCQOPTIONS
This section includes 6 Mcqs, each offering curated multiple-choice questions to sharpen your Mechanical Behaviour knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
In intergranular fracture, crack travels along grain boundaries. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 2. |
The crack may be __________ and ____________ depending on strength of grain boundaries. |
| A. | Brittle, ductile |
| B. | Trans granular, intergranular |
| C. | Shear, cleavage |
| D. | Fibrous, granular |
| Answer» C. Shear, cleavage | |
| 3. |
Which of the followings is not a type of fracture in brittle materials? |
| A. | Bright granular |
| B. | Flat type |
| C. | Neck |
| D. | Chevron patterns |
| Answer» D. Chevron patterns | |
| 4. |
Brittle fracture is a break in a brittle piece of metal that failed because stress exceeds _____ |
| A. | Cohesion |
| B. | Adhesion |
| C. | Yield stress |
| D. | Tensile stress |
| Answer» B. Adhesion | |
| 5. |
In ____ fracture, crack is unstable and propagates rapidly. |
| A. | Ductile |
| B. | Brittle |
| C. | Shear |
| D. | Tensile |
| Answer» C. Shear | |
| 6. |
Which of the following materials don t give brittle fracture? |
| A. | White cast iron |
| B. | Grey cast iron |
| C. | Aluminum |
| D. | Ceramics |
| Answer» D. Ceramics | |