MCQOPTIONS
Saved Bookmarks
This section includes 10 Mcqs, each offering curated multiple-choice questions to sharpen your Machine Kinematics knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
When the lubricants are smeared on two different surfaces, it is found that the force of friction with one lubricant is different than that of the other. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 2. |
The lubricant which gives ______________ force of friction is said to have greater oiliness. |
| A. | greater |
| B. | lesser |
| C. | similar |
| D. | none of the mentioned |
| Answer» C. similar | |
| 3. |
_____________ is the friction, experienced between the rubbing surfaces, when the surfaces have a thick layer of the lubricant. |
| A. | Fluid friction |
| B. | Solid friction |
| C. | Boundary friction |
| D. | None of the mentioned |
| Answer» B. Solid friction | |
| 4. |
When the lubricants are smeared on two different surfaces, it is found that the force of friction with one lubricant is different than that of the other? |
| A. | True |
| B. | False |
| Answer» B. False | |
| 5. |
The lubricant which gives ______________ force of friction is said to have greater oiliness. |
| A. | greater |
| B. | lesser |
| C. | similar |
| D. | none of the mentioned |
| Answer» C. similar | |
| 6. |
The absolute viscosity of a lubricant may be defined as the force required to cause a plate of unit area to slide with unit velocity relative to a parallel plate. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 7. |
_____________ is a measure of the resistance offered to the sliding one layer of the lubricant over an adjacent layer. |
| A. | Viscocity |
| B. | Density |
| C. | Oiliness |
| D. | None of the mentioned |
| Answer» B. Density | |
| 8. |
______________ is the friction, experienced between the rubbing surfaces, when the surfaces have a very thin layer of lubricant. |
| A. | Pivot friction |
| B. | Solid friction |
| C. | Boundary friction |
| D. | None of the mentioned |
| Answer» D. None of the mentioned | |
| 9. |
______________ is the friction experienced between two dry and unlubricated surfaces in contact. |
| A. | Pivot friction |
| B. | Solid friction |
| C. | Boundary friction |
| D. | None of the mentioned |
| Answer» C. Boundary friction | |
| 10. |
_____________ is the friction, experienced by a body, due to the motion of rotation as in case of foot step bearings. |
| A. | Pivot friction |
| B. | Solid friction |
| C. | Dry friction |
| D. | None of the mentioned |
| Answer» B. Solid friction | |