MCQOPTIONS
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MCQOPTIONS
This section includes 8 Mcqs, each offering curated multiple-choice questions to sharpen your Mechanical Engineering knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
Cetane number is the measure of |
| A. | Viscosity of fuel |
| B. | Ignition quality |
| C. | Calorific value of fuel |
| D. | None of the above |
| Answer» C. Calorific value of fuel | |
| 2. |
How does cetane number vary with octane number in fuels in IC engines? |
| A. | No relation |
| B. | Directly proportional |
| C. | Inversely proportional |
| D. | Both are equal |
| Answer» D. Both are equal | |
| 3. |
By higher octane rating of SI fuels, it is meant that the fuel has |
| A. | Higher heating value |
| B. | Higher flash point |
| C. | Lower volatility |
| D. | Longer ignition delay |
| Answer» E. | |
| 4. |
Octane number of gasoline is a measure of its: |
| A. | Knocking tendency |
| B. | Ignition delay |
| C. | Ignition temperature |
| D. | Smoke point |
| Answer» B. Ignition delay | |
| 5. |
Iso octane is |
| A. | C8H18 |
| B. | C10H22 |
| C. | C12H26 |
| D. | C15H32 |
| Answer» B. C10H22 | |
| 6. |
______ is the presentation of the anti-knock value of diesel fuel. |
| A. | Cetane number |
| B. | Diesel constant |
| C. | Octane number |
| D. | Fuel number |
| Answer» B. Diesel constant | |
| 7. |
Octane number of Indian lead-free petrol is : |
| A. | less than octane number of leaded petrol |
| B. | equal to octane number of leaded petrol |
| C. | greater than octane number of leaded petrol |
| D. | not specified |
| Answer» B. equal to octane number of leaded petrol | |
| 8. |
A normal diesel engine will need minimum changes if made to run on |
| A. | Petrol |
| B. | Kerosene |
| C. | Alcohol |
| D. | Ammonia |
| Answer» C. Alcohol | |