MCQOPTIONS
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MCQOPTIONS
This section includes 13 Mcqs, each offering curated multiple-choice questions to sharpen your Ic Engine knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
Which of the following are the types of synthetic lubricants? |
| A. | dibasic acid esters |
| B. | organo-phosphate esters |
| C. | silicate esters |
| D. | all of the mentioned |
| Answer» E. | |
| 2. |
Caster oil is usually compounded with heavy mineral oils for making extreme pressure lubricants. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 3. |
Parafins crudes generally give a lower yield of lubricating oils than naphthenic crudes. |
| A. | True |
| B. | False |
| Answer» C. | |
| 4. |
THE_TYPES_OF_SYNTHETIC_LUBRICANTS_ARE?$ |
| A. | dibasic acid esters |
| B. | organo-phosphate esters |
| C. | silicate esters |
| D. | all of the mentioned |
| Answer» E. | |
| 5. |
The types of synthetic lubricants are$ |
| A. | silicin polymers |
| B. | polyglycolethers and related compounds |
| C. | fluorinated and chlorinated hydrocarbon compounds |
| D. | all of the mentioned |
| Answer» E. | |
| 6. |
Caster oil is usually compounded with heavy mineral oils for making extreme pressure lubricants? |
| A. | True |
| B. | False |
| Answer» B. False | |
| 7. |
Rapeseed oil is used for producing lubricants for internal combustion engines. |
| A. | True |
| B. | False |
| Answer» C. | |
| 8. |
Lard oil is used for making lubricants for railway engines. |
| A. | True |
| B. | False |
| Answer» C. | |
| 9. |
Olive oil is employed for lubricating textile machinery. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 10. |
Fatty oils from animal and vegetable origin are sometimes used alone but are frequently mixed with mineral oils. |
| A. | True |
| B. | False |
| Answer» C. | |
| 11. |
In mineral lubricating oils, bubble towers are used for fractionalisation of oil into two or three fractions of different viscosities. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 12. |
Parafins crudes generally give a lower yield of lubricating oils than napthenic crudes. |
| A. | True |
| B. | False |
| Answer» C. | |
| 13. |
The ____________ are obtained from the residual mass left during crude petroleum distillation. |
| A. | fatty oils |
| B. | synthetic lubricants |
| C. | mineral lubricating oils |
| D. | none of the mentioned |
| Answer» D. none of the mentioned | |