MCQOPTIONS
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MCQOPTIONS
This section includes 10 Mcqs, each offering curated multiple-choice questions to sharpen your Engineering Chemistry knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
On increasing the lubrication, the efficiency of the machine ____________ |
| A. | Increases |
| B. | Decreases |
| C. | Remain same |
| D. | Does not get affected |
| Answer» B. Decreases | |
| 2. |
The science of friction, lubrication and wear is called ____________ |
| A. | Endiology |
| B. | Geology |
| C. | Tribology |
| D. | Morphology |
| Answer» D. Morphology | |
| 3. |
The viscosity of petroleum oil for hydraulic lifts is ____________ |
| A. | High |
| B. | Low |
| C. | Moderate |
| D. | Very high |
| Answer» C. Moderate | |
| 4. |
Lubrication is necessary to protect wear and tear caused due to _______________ |
| A. | Electrostatic force |
| B. | Gravitational force |
| C. | Frictional force |
| D. | Magnetic force |
| Answer» D. Magnetic force | |
| 5. |
The stearate ion has a ________ carbons long hydrocarbon chain. |
| A. | 17 |
| B. | 19 |
| C. | 21 |
| D. | 23 |
| Answer» B. 19 | |
| 6. |
On increasing the lubrication, the efficiency of the machine |
| A. | Increases |
| B. | Decreases |
| C. | Remain same |
| D. | Does not get affected |
| Answer» B. Decreases | |
| 7. |
The science of friction, lubrication and wear is called |
| A. | Endiology |
| B. | Geology |
| C. | Tribology |
| D. | Morphology |
| Answer» D. Morphology | |
| 8. |
The viscosity of petroleum oil for hydraulic lifts is |
| A. | High |
| B. | Low |
| C. | Moderate |
| D. | Very high |
| Answer» C. Moderate | |
| 9. |
Lubricant act as a coolant to carry away heat. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 10. |
Lubrication is necessary to protect wear and tear caused due to |
| A. | Electrostatic force |
| B. | Gravitational force |
| C. | Frictional force |
| D. | Magnetic force |
| Answer» D. Magnetic force | |