MCQOPTIONS
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MCQOPTIONS
This section includes 11 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. |
THE_NUMBER_OF_HOLES_IN_A_MULTI-HOLE_NOZZLE,_VARIES_FROM?$ |
| A. | 2 to 4 |
| B. | 4 to 18 |
| C. | 4 to 10 |
| D. | none of the mentioned |
| Answer» C. 4 to 10 | |
| 2. |
The hole angle in a multi-hole nozzle, lies between$ |
| A. | 10<sup>0</sup> to 15<sup>0</sup> |
| B. | 20<sup>0</sup> to 35<sup>0</sup> |
| C. | 20<sup>0</sup> to 45<sup>0</sup> |
| D. | none of the mentioned |
| Answer» D. none of the mentioned | |
| 3. |
The_hole_diameter_in_a_multi-hole_nozzle,_lies_between$ |
| A. | 0.25 to 0.35 mm |
| B. | 0.20 to 0.30 mm |
| C. | 0.30 to 0.40 mm |
| D. | none of the mentioned |
| Answer» B. 0.20 to 0.30 mm | |
| 4. |
In a single hole nozzle, the spray cone angle varies fro? |
| A. | 5<sup>0</sup> to 15<sup>0</sup> |
| B. | 10<sup>0</sup> to 15<sup>0</sup> |
| C. | 5<sup>0</sup> to 10<sup>0</sup> |
| D. | none of the mentioned |
| Answer» B. 10<sup>0</sup> to 15<sup>0</sup> | |
| 5. |
The size of the hole in a single hole nozzle is usually |
| A. | 0.2 mm |
| B. | < 0.2 mm |
| C. | > 0.2 mm |
| D. | none of the mentioned |
| Answer» D. none of the mentioned | |
| 6. |
___________ nozzle is used in open combustion chambers. |
| A. | Single hole |
| B. | Multi hole |
| C. | Circumferential hole |
| D. | none of the mentioned |
| Answer» D. none of the mentioned | |
| 7. |
Fuel striking the walls of combustion chamber, decomposes and produces _____________ deposits. |
| A. | iron |
| B. | ash |
| C. | carbon |
| D. | none of the mentioned |
| Answer» D. none of the mentioned | |
| 8. |
If the density of compressed air in the combustion chamber is ____________ then the resistance to the movement of the droplets is higher. |
| A. | high |
| B. | low |
| C. | same |
| D. | none of the mentioned |
| Answer» B. low | |
| 9. |
_____________ the injection pressure better the dispersion and penetration of the fuel into all the desired locations in combustion chamber. |
| A. | Higher |
| B. | Lower |
| C. | Equal |
| D. | None of the mentioned |
| Answer» B. Lower | |
| 10. |
_____________ is the first phase in obtaining proper mixing of the fuel and air in the combustion chamber. |
| A. | Vaporization |
| B. | Atomization |
| C. | carburation |
| D. | None of the mentioned |
| Answer» C. carburation | |
| 11. |
_____________ is that part of an injector through which the liquid fuel is sprayed into the combustion chamber. |
| A. | Governor |
| B. | Nozzle |
| C. | Throttle |
| D. | None of the mentioned |
| Answer» C. Throttle | |