MCQOPTIONS
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MCQOPTIONS
This section includes 13 Mcqs, each offering curated multiple-choice questions to sharpen your Automotive Engine Auxiliary Systems knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
Which among the following is not a secondary adjustment? |
| A. | Accelerating pump |
| B. | Metering rod |
| C. | Floats |
| D. | Idle adjuster |
| Answer» E. | |
| 2. |
Which among the following is not an indication of a rich mixture? |
| A. | Loud murder explosion |
| B. | High fuel consumption |
| C. | Surging while idling |
| D. | Stalling of the engine |
| Answer» E. | |
| 3. |
What can we say about the air-fuel mixture if the engine is stalling by itself? |
| A. | The extra weak mixture is supplied |
| B. | An extra rich mixture is supplied |
| C. | Combustion in muffler |
| D. | The color of the exhaust smoke is black |
| Answer» B. An extra rich mixture is supplied | |
| 4. |
Which among the following should never be used in the cleaning of jets present in a carburetor? |
| A. | Petrol |
| B. | Blast of air |
| C. | Wire |
| D. | Carb cleaner |
| Answer» D. Carb cleaner | |
| 5. |
In which among the following does not depend on the carburetor to provide the correct mixture of air-fuel? |
| A. | Idling |
| B. | Crushing |
| C. | Accelerating |
| D. | Pressure relief |
| Answer» E. | |
| 6. |
How many numbers of jets are present in a simple carburetor? |
| A. | 1 |
| B. | 2 |
| C. | 3 |
| D. | 4 |
| Answer» C. 3 | |
| 7. |
What is the number of rotation that has to be given to the idle screw to adjust the carburetor? |
| A. | 2 |
| B. | 2.5 |
| C. | 1 |
| D. | 3 |
| Answer» C. 1 | |
| 8. |
What is the first step in removing the carburetor? |
| A. | Remove the throttle and choke linkage |
| B. | Adjustment of the carburetor screw |
| C. | Wash with petrol |
| D. | Clean with the blast of air |
| Answer» B. Adjustment of the carburetor screw | |
| 9. |
What is the main reason for throttle adjustment? |
| A. | To know the play of the acceleration pedal |
| B. | To decrease the engine speed |
| C. | To check the float |
| D. | Both decrease the engine speed andcheck the float |
| Answer» B. To decrease the engine speed | |
| 10. |
Which among the following is not an indication of the extra weak mixture? |
| A. | Loss of power |
| B. | Overheating of engine |
| C. | Stalling of the engine |
| D. | Surging while idling |
| Answer» E. | |
| 11. |
What can we recognize if the color of the exhaust smoke is black? |
| A. | Overheating of the engine |
| B. | Loss of power |
| C. | Unburnt carbon particle |
| D. | Stalling of the engine |
| Answer» C. Unburnt carbon particle | |
| 12. |
Concerning the idle port area which among the following decreases by screwing the idle screw? |
| A. | Pressure |
| B. | Clearance |
| C. | Engine speed |
| D. | Air fuel |
| Answer» D. Air fuel | |
| 13. |
Using which among the following are the jets present in a carburetor should be cleaned? |
| A. | Water and antifreeze |
| B. | Diesel and petrol |
| C. | Petrol and blast of air |
| D. | Kerosene and wire |
| Answer» D. Kerosene and wire | |