MCQOPTIONS
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MCQOPTIONS
This section includes 12 Mcqs, each offering curated multiple-choice questions to sharpen your Engineering Physics knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
Which gas serves as buffer gas in Laser ablation? |
| A. | Nitrogen |
| B. | Oxygen |
| C. | Helium |
| D. | Neon |
| Answer» D. Neon | |
| 2. |
Particles of ZrO2, Y2O2 and Nano whiskers have been produced by __________ |
| A. | Sol-gel |
| B. | CVC |
| C. | Plasma spraying |
| D. | Laser pyrolysis |
| Answer» C. Plasma spraying | |
| 3. |
The following is a bottom-up process. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 4. |
Typical precursor used in sol-gel are ____________ |
| A. | Metal oxides |
| B. | Metal dioxides |
| C. | Metal alkoxides |
| D. | Metal fluorides |
| Answer» D. Metal fluorides | |
| 5. |
Chemical solution deposition is also known as ____________ |
| A. | Sol-gel |
| B. | CVD |
| C. | Plasma spraying |
| D. | Laser pyrolysis |
| Answer» B. CVD | |
| 6. |
Photolithography is a type of patterning technique. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 7. |
CVD stands for ____________ |
| A. | Carbon vapour density |
| B. | Chemical vapour density |
| C. | Chemical vapour deposition |
| D. | Carbon vapour deposition |
| Answer» D. Carbon vapour deposition | |
| 8. |
The following flow chart is for which method? |
| A. | Milling |
| B. | Attrition |
| C. | Pattering |
| D. | Microfabrication |
| Answer» E. | |
| 9. |
What kind of metals are used for milling operations? |
| A. | Soft and brittle |
| B. | Soft and elastic |
| C. | Hard and brittle |
| D. | Hard and elastic |
| Answer» D. Hard and elastic | |
| 10. |
For milling operations, what kind of environment is preferred? |
| A. | Acidic |
| B. | Basic |
| C. | Active |
| D. | Inert |
| Answer» E. | |
| 11. |
Which of the following is an example of Bottom Up approach? |
| A. | Attrition |
| B. | Colloidal dispersion |
| C. | Milling |
| D. | Etching |
| Answer» C. Milling | |
| 12. |
What’s the procedure in Top-down fabrication method? |
| A. | Nano-particles -> Powder -> Bulk |
| B. | Powder -> Bulk – > Nano-particles |
| C. | Bulk -> Powder – > Nano-particles |
| D. | Nano-particle – > Bulk -> Powder |
| Answer» D. Nano-particle – > Bulk -> Powder | |