McqMate
Chapters
| 1. |
Which of the following is not a type of protective coating? |
| A. | Metallic |
| B. | Non-metallic |
| C. | Organic |
| D. | Inorganic |
| Answer» B. Non-metallic | |
| 2. |
An example of an anodic coating is _____ |
| A. | Zinc |
| B. | Copper |
| C. | Nickel |
| D. | Chromium |
| Answer» A. Zinc | |
| 3. |
Which common application do anodizing and galvanizing serve? |
| A. | Corrosion resistance |
| B. | Improved surface |
| C. | Zinc coating |
| D. | Increased strength |
| Answer» A. Corrosion resistance | |
| 4. |
Which of the following is/are surface preparation methods? |
| A. | sand blasting |
| B. | ball blasting |
| C. | both |
| D. | none |
| Answer» C. both | |
| 5. |
Which of the following is/are surface finishing methods? |
| A. | grinding |
| B. | brushing |
| C. | both |
| D. | none |
| Answer» C. both | |
| 6. |
When the surface has complex shapes, the abrasive cleaning can be done or not? |
| A. | yes |
| B. | No |
| C. | all |
| D. | none |
| Answer» B. No | |
| 7. |
Method include in the surface finishing is |
| A. | Cleaning |
| B. | Grinding |
| C. | Machining |
| D. | All of them |
| Answer» B. Grinding | |
| 8. |
Which of the method is not a surface cleaning method |
| A. | Mechanical cleaning method |
| B. | Electrical cleaning method |
| C. | Abrasive cleaning method |
| D. | Thermal cleaning method |
| Answer» B. Electrical cleaning method | |
| 9. |
During thermal cleaning method which flame will be used to clean parts |
| A. | Hydrogen flame |
| B. | Oxy-acetylene flame |
| C. | A & B both |
| D. | None of them |
| Answer» B. Oxy-acetylene flame | |
| 10. |
In surface coating which method is of spray panting |
| A. | Air spray |
| B. | Airless spray |
| C. | Electrostatic spray |
| D. | All of them |
| Answer» D. All of them | |
| 11. |
Compressed air passed through the atomizer nozzle in |
| A. | Air spray gun |
| B. | Airless spray gun |
| C. | Electrostatic spray gun |
| D. | All of them |
| Answer» A. Air spray gun | |
| 12. |
Degree of atomization is better in |
| A. | Air spray painting |
| B. | Airless spray painting |
| C. | all |
| D. | none |
| Answer» B. Airless spray painting | |
| 13. |
During the blasting method pressure range used for ferrous metals is |
| A. | 0.4 KPa to 0.7 MPa |
| B. | 0.4 MPa to 0.7 MPa |
| C. | 70 KPa to 0.4 MPa |
| D. | 0.4 KPa to 0.7 kPa |
| Answer» B. 0.4 MPa to 0.7 MPa | |
| 14. |
During the blasting method pressure range used for Non-ferrous metals is |
| A. | 0.4 KPa to 0.7 MPa |
| B. | 0.4 MPa to 0.7 MPa |
| C. | 70 KPa to 0.4 MPa |
| D. | 0.4 KPa to 0.7 kPa |
| Answer» C. 70 KPa to 0.4 MPa | |
| 15. |
With the help of brushing ____ weld surface can be finished |
| A. | Internal only |
| B. | External only |
| C. | A & B both |
| D. | none |
| Answer» C. A & B both | |
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