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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. |
HDPE has a lower UTS than LDPE. |
A. | True |
B. | False |
Answer» C. | |
2. |
Above glass transition temperature, polymer is ___ |
A. | Hard |
B. | Stiff |
C. | Brittle |
D. | Ductile |
Answer» E. | |
3. |
During the stage of work hardening ___ structure develops. |
A. | Equiaxed |
B. | Microfibrillar |
C. | Neck |
D. | Fine grained |
Answer» C. Neck | |
4. |
Regime I in a tensile curve for polymer comprises of ___ portion with ___ molecules. |
A. | Linear, low |
B. | Irregular, low |
C. | Non-linear, high |
D. | Linear, high |
Answer» B. Irregular, low | |
5. |
Which polymer doesn t obey Hooke s law? |
A. | Thermoset plastic |
B. | Thermoplastic below Tg |
C. | Thermoplastic with oriented molecules |
D. | Semi crystalline thermoplastic |
Answer» E. | |
6. |
Ceramics are characterized for their ___ shear strength and ___ ductility. |
A. | High, high |
B. | High, low |
C. | Low, high |
D. | Low, low |
Answer» C. Low, high | |