MCQOPTIONS
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MCQOPTIONS
This section includes 15 Mcqs, each offering curated multiple-choice questions to sharpen your Applied Chemistry knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
The cloudiness of the lubricant is observed for every ___________ |
| A. | 1oC |
| B. | 2oC |
| C. | 3oC |
| D. | 4oC |
| Answer» B. 2oC | |
| 2. |
The jacket is provided with a gasket that prevents the test jar from __________ |
| A. | Cooling |
| B. | Heating |
| C. | Breakage |
| D. | Touching the jacket |
| Answer» E. | |
| 3. |
Cooling bath contains suitable ________ |
| A. | Ice |
| B. | Water |
| C. | Cooling mixture |
| D. | Cool water |
| Answer» D. Cool water | |
| 4. |
The lowest temperature expressed in multiple of 2oC at which the oil is observed to flow after cooled at prescribed conditions is called pour point. |
| A. | True |
| B. | False |
| Answer» C. | |
| 5. |
The temperature expressed in multiples of 1oC at which the haze of the wax crystal appears when the oil is cooled under prescribed conditions is called ________ |
| A. | Pour point |
| B. | Cloud point |
| C. | Oxidation stability |
| D. | Acid number |
| Answer» C. Oxidation stability | |
| 6. |
THE_JACKET_IS_PROVIDED_WITH_A_GASKET_THAT_PREVENTS_THE_TEST_JAR_FROM_______?$ |
| A. | Cooling |
| B. | Heating |
| C. | Breakage |
| D. | Touching the jacket |
| Answer» E. | |
| 7. |
The_cloudiness_of_the_lubricant_is_observed_for_every_____$ |
| A. | 1<sup>o</sup>C |
| B. | 2<sup>o</sup>C |
| C. | 3<sup>o</sup>C |
| D. | 4<sup>o</sup>C |
| Answer» B. 2<sup>o</sup>C | |
| 8. |
Cooling bath contains suitable _______? |
| A. | Ice |
| B. | Water |
| C. | Cooling mixture |
| D. | Cool water |
| Answer» D. Cool water | |
| 9. |
In pour point experiment, the diameter of the cylindrical tube is of the diameter ____________ |
| A. | 3-3.35mm |
| B. | 3-3.35cm |
| C. | 3-3.35km |
| D. | 3-35nm |
| Answer» C. 3-3.35km | |
| 10. |
Pour point indicates the _______ of lubricating oil. |
| A. | Dissolved wax concentration |
| B. | Total wax concentration |
| C. | Initial wax concentration |
| D. | Weight of the wax |
| Answer» B. Total wax concentration | |
| 11. |
The lowest temperature expressed in multiple of 2oC at which the oil is observed to flow after cooled at prescribed conditions is called pour point. |
| A. | True |
| B. | False |
| Answer» C. | |
| 12. |
Olive oil starts to solidify at __________ |
| A. | 1<sup>o</sup>C |
| B. | 2<sup>o</sup>C |
| C. | 3<sup>o</sup>C |
| D. | 4<sup>o</sup>C |
| Answer» E. | |
| 13. |
The cloud point is used as ______ control parameter. |
| A. | Quantity |
| B. | Temperature |
| C. | Speed |
| D. | Quality |
| Answer» E. | |
| 14. |
The cloud point is the index of the ___________ temperature. |
| A. | Lowest |
| B. | Highest |
| C. | Reference |
| D. | Infinity |
| Answer» B. Highest | |
| 15. |
The temperature expressed in multiples of 1oC at which the haze of the wax crystal appears when the oil is cooled under prescribed conditions is called ________ |
| A. | Pour point |
| B. | Cloud point |
| C. | Oxidation stability |
| D. | Acid number |
| Answer» C. Oxidation stability | |