MCQOPTIONS
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MCQOPTIONS
This section includes 13 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. |
What is the length of the test tube in the determination of aniline number experiment? |
| A. | 120mm |
| B. | 130mm |
| C. | 140mm |
| D. | 150mm |
| Answer» E. | |
| 2. |
The test tube in the determination of aniline number is made up of __________ |
| A. | Tempered glass |
| B. | Glass |
| C. | Heat resistant glass |
| D. | Heated glass |
| Answer» D. Heated glass | |
| 3. |
Lubricating oil having low aniline point results in _________ |
| A. | Deterioration of metal |
| B. | Deterioration of rubber |
| C. | Deterioration of wall of jar |
| D. | Deterioration of iron |
| Answer» C. Deterioration of wall of jar | |
| 4. |
THE_TEST_TUBE_IN_THE_DETERMINATION_OF_ANILINE_NUMBER_IS_MADE_UP_OF___________?$ |
| A. | Tempered glass |
| B. | Glass |
| C. | Heat resistant glass |
| D. | Heated glass |
| Answer» D. Heated glass | |
| 5. |
What_is_the_length_of_the_test_tube_in_determination_of_aniline_number_experiment?$ |
| A. | 120mm |
| B. | 130mm |
| C. | 140mm |
| D. | 150mm |
| Answer» E. | |
| 6. |
Lubricating oil having low aniline point results in ________? |
| A. | Deterioration of metal |
| B. | Deterioration of rubber |
| C. | Deterioration of wall of jar |
| D. | Deterioration of iron |
| Answer» C. Deterioration of wall of jar | |
| 7. |
Aniline ________ with oil. |
| A. | Immiscible |
| B. | Forms crystals |
| C. | Forms lumps |
| D. | Miscible |
| Answer» E. | |
| 8. |
Aniline number is the minimum equilibrium solution temperature for ________ volume of aniline and lubricating oil. |
| A. | More |
| B. | Less |
| C. | Equal |
| D. | Very high |
| Answer» D. Very high | |
| 9. |
If the oxidation product is soluble then it is desirable for lubricants. |
| A. | True |
| B. | False |
| Answer» C. | |
| 10. |
Oxidation in lubricants is ________ |
| A. | Desirable |
| B. | Undesirable |
| C. | Important |
| D. | Necessary |
| Answer» C. Important | |
| 11. |
The retardation can be done by adding _________ |
| A. | Phenyl- α – napthylamine |
| B. | Phenyl -β – napthylamine |
| C. | Benzine- α – napthylamine |
| D. | Benzine – α – napthylamine |
| Answer» C. Benzine- ‚âà√≠¬¨¬± ‚Äö√Ñ√∂‚àö√ë‚àö¬® napthylamine | |
| 12. |
The moisture in the environment ________ the oxidation. |
| A. | Increases |
| B. | Decreases |
| C. | Neutralises |
| D. | Do not change |
| Answer» B. Decreases | |
| 13. |
Rate of oxidation in petroleum oil proceeds _________ at room temperature. |
| A. | Slowly |
| B. | Fast |
| C. | Moderate |
| D. | Constant |
| Answer» B. Fast | |