MCQOPTIONS
Saved Bookmarks
MCQOPTIONS
This section includes 6 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. |
In textile industries _________ are added to the lubricants. |
| A. | catalyst |
| B. | inhibitors |
| C. | oxygen |
| D. | carbon |
| Answer» C. oxygen | |
| 2. |
What are the lubricants used for railway tracks? |
| A. | graphite |
| B. | grease |
| C. | coconut oil |
| D. | vegetable oil |
| Answer» B. grease | |
| 3. |
For, delicate instruments the suitable lubricants are _________ |
| A. | light cutting oil |
| B. | sunflower oil |
| C. | heavy cutting oil |
| D. | thin vegetable oil |
| Answer» E. | |
| 4. |
The lubricants for gears must possess _________ |
| A. | less oiliness |
| B. | effected by centrifugal force |
| C. | resistance to oxygen |
| D. | low load carrying capacity |
| Answer» D. low load carrying capacity | |
| 5. |
The friction is needed to be reduced because _________ |
| A. | will increase the load |
| B. | will increase the consumption electricity |
| C. | it will be reducing the excess heat generation |
| D. | will increase the excess the heat generation |
| Answer» D. will increase the excess the heat generation | |
| 6. |
The reduction in friction is only when _________ of the oil film is __________ than that of the metal. |
| A. | shear strength, more |
| B. | shear strain, less |
| C. | shear strain, more |
| D. | shear strength, less |
| Answer» E. | |