MCQOPTIONS
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MCQOPTIONS
This section includes 10 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. |
____________ is the lowest temperature at which the lubricating oil will pour. |
| A. | Viscosity |
| B. | Pour point |
| C. | Fire point |
| D. | None of the mentioned |
| Answer» C. Fire point | |
| 2. |
____________ is the lowest temperature at which the oil burns continuously. |
| A. | Viscosity |
| B. | Flash point |
| C. | Fire point |
| D. | None of the mentioned |
| Answer» D. None of the mentioned | |
| 3. |
The flash point of the oil should be sufficiently high so as to avoid flashing of oil vapours at the temperatures occurring in common use. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 4. |
Pour point is the lowest temperature at which the lubricating oil will flash when a small flame is passed across its surface. |
| A. | True |
| B. | False |
| Answer» C. | |
| 5. |
A high viscosity index indicates relatively ____________ changes in viscosity of the oil with the temperature. |
| A. | larger |
| B. | smaller |
| C. | constant |
| D. | none of the mentioned |
| Answer» C. constant | |
| 6. |
The viscosity is measured by ____________ |
| A. | barometer |
| B. | thermometer |
| C. | viscosimeter |
| D. | none of the mentioned |
| Answer» D. none of the mentioned | |
| 7. |
Viscosity varies with the temperature and hence if a surface to be lubricated is normally at high temperature it should be supplied with oil of higher viscosity. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 8. |
A more viscous oil can carry a greater load, but it will offer great friction to sliding movement of the one bearing surface over the other. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 9. |
____________ is the ability of the oil to resist internal deformation due to mechanical stresses. |
| A. | Viscosity |
| B. | Flash point |
| C. | Fire point |
| D. | None of the mentioned |
| Answer» B. Flash point | |
| 10. |
Which of the following are the properties of lubricants? |
| A. | viscosity |
| B. | flash point |
| C. | fire point |
| D. | all of the mentioned |
| Answer» C. fire point | |