MCQOPTIONS
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MCQOPTIONS
This section includes 13 Mcqs, each offering curated multiple-choice questions to sharpen your Automotive Engine Auxiliary Systems knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
______ is used to find the viscosity of the lubricating oil. |
| A. | loss due to evaporation |
| B. | viscometer |
| C. | moisture test |
| D. | None |
| Answer» B. viscometer | |
| 2. |
Specific gravity is determined by ______ test. |
| A. | Archimedes principle |
| B. | acid value test |
| C. | emulsification test |
| D. | insoluble residue test |
| Answer» B. acid value test | |
| 3. |
The time required for the constituents to separate from the emulsion is known as ______ |
| A. | saponification number |
| B. | emulsion number |
| C. | Archimedes principle |
| D. | acid value test |
| Answer» C. Archimedes principle | |
| 4. |
The tendency to de-emulsify quantitatively is determined by ______test. |
| A. | hydrometer |
| B. | A.S.T.M emulsion |
| C. | centistokes |
| D. | centipoises |
| Answer» C. centistokes | |
| 5. |
Insoluble residue test is used to determine______ |
| A. | additives |
| B. | insoluble particles |
| C. | pour point |
| D. | fire point |
| Answer» C. pour point | |
| 6. |
Emulsion is a mixture of ______and ______when mixed thoroughly. |
| A. | lubricating oil and acid |
| B. | water and acid |
| C. | lubricating oil and water |
| D. | lubricating oil and base |
| Answer» D. lubricating oil and base | |
| 7. |
One liter of normal potassium hydroxide contains ______grams of potassium hydroxide. |
| A. | 65 |
| B. | 67 |
| C. | 56 |
| D. | 59 |
| Answer» D. 59 | |
| 8. |
Determination of saponification value helps in the detection of ______ |
| A. | acid |
| B. | base |
| C. | salt |
| D. | adulteration |
| Answer» E. | |
| 9. |
Saponification value of an oil is the number of milligrams of potassium hydroxide required to saponify completely ______ grams of the oil. |
| A. | 10 |
| B. | 1 |
| C. | 1000 |
| D. | 100 |
| Answer» C. 1000 | |
| 10. |
The acid value of an oil is the number of milligrams of ______ used to neutralize 1gram of oil. |
| A. | sodium hydroxide |
| B. | potassium hydroxide |
| C. | sulfur dioxide |
| D. | ester |
| Answer» C. sulfur dioxide | |
| 11. |
______ is the temperature at which lubricating oil ceases to flow when cooled at standard condition. |
| A. | flashpoint |
| B. | fire point |
| C. | moisture test |
| D. | pour point |
| Answer» E. | |
| 12. |
______ apparatus is used in the determination of loss due to Evaporation of the lubricating oil. |
| A. | able s |
| B. | engler |
| C. | arch butt |
| D. | hydrometer |
| Answer» D. hydrometer | |
| 13. |
______ apparatus is used in the determination of Flash and Fire point of a lubricating oil. |
| A. | saybolt |
| B. | engler |
| C. | able s |
| D. | redwood |
| Answer» D. redwood | |