MCQOPTIONS
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MCQOPTIONS
This section includes 15 Mcqs, each offering curated multiple-choice questions to sharpen your Food Packaging Technology knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
_______ is used for removing scales during the manufacture of tinplate. |
| A. | Lithium hydride |
| B. | Hydroboric acid |
| C. | Orthophosphoric acid |
| D. | Hydrochloric acid |
| Answer» E. | |
| 2. |
For reducing iron ore, oxygen furnace is used. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 3. |
The final stage of thickness reduction is carried out by ________ |
| A. | roll pressing |
| B. | screw pressing |
| C. | hot rolling |
| D. | cold rolling |
| Answer» E. | |
| 4. |
The process of scale removal in manufacture tinplate is known as ______ |
| A. | pickling |
| B. | leaching |
| C. | flaming |
| D. | charring |
| Answer» B. leaching | |
| 5. |
The thickness of iron slabs after rolling is around _______ |
| A. | 550 mm |
| B. | 150 mm |
| C. | 100 mm |
| D. | 250 mm |
| Answer» E. | |
| 6. |
Pig iron from blast furnace contains ________ sulfur. |
| A. | 0.1% |
| B. | 0.5% |
| C. | 0.08% |
| D. | 0.8% |
| Answer» D. 0.8% | |
| 7. |
Pig iron from blast furnace contains ________ phosphorous. |
| A. | 0.5% |
| B. | 1% |
| C. | 5% |
| D. | 3% |
| Answer» C. 5% | |
| 8. |
Pig iron from blast furnace contains ________ manganese. |
| A. | 5% |
| B. | 10% |
| C. | 1% |
| D. | 2.5% |
| Answer» E. | |
| 9. |
Pig iron from blast furnace contains ________ silicon. |
| A. | 2.5% 3.0% |
| B. | 0.3% 1.0% |
| C. | 1.5% 2.0% |
| D. | 0.1% 0.5% |
| Answer» C. 1.5% 2.0% | |
| 10. |
Pig iron from blast furnace contains ________ carbon. |
| A. | 1.5% 2.0% |
| B. | 2.5% 6.0% |
| C. | 6.5% 8.0% |
| D. | 3.5% 5.0% |
| Answer» E. | |
| 11. |
The melting point of metallic ores is around ______ |
| A. | 1000 C |
| B. | 1200 C |
| C. | 1800 C |
| D. | 800 C |
| Answer» C. 1800 C | |
| 12. |
In tinplate, steel serves as the base material. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 13. |
The temperature at which iron ore is heated is around ______ |
| A. | 2500 C |
| B. | 1000 C |
| C. | 1200 C |
| D. | 1800 C |
| Answer» E. | |
| 14. |
Tinplate is a combination of tin and steel. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 15. |
The thickness of a tinplate sheet is around ______ |
| A. | 0.5 1.5 mm |
| B. | 0.15 0.5 cm |
| C. | 0.5 1.5 cm |
| D. | 0.15 0.5 mm |
| Answer» E. | |