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 of the following spark plug increases the resistance to increase the voltage required to jump across the spark plug gap? |
| A. | Rheostat spark plug |
| B. | Wire wound spark plug |
| C. | MOSFET spark plug |
| D. | Resistor spark plug |
| Answer» E. | |
| 2. |
Due to which of the following there are carbon deposits on the spark plug? |
| A. | Overheating of plug |
| B. | Burning of fuel on the plug |
| C. | Erosion of electrodes |
| D. | Engine speed |
| Answer» C. Erosion of electrodes | |
| 3. |
Which among the following is not a requirement of a spark plug? |
| A. | Very high resistance to current leakage |
| B. | Contacts must close without bounce |
| C. | Resistance to corrosion |
| D. | Gas tightness |
| Answer» C. Resistance to corrosion | |
| 4. |
Which of the following does not affect overheating? |
| A. | Weak mixture |
| B. | Defective cooling system |
| C. | Loose-fitting |
| D. | Engine speed |
| Answer» E. | |
| 5. |
How is the frequency of firing in a two-stroke concerning the value of four-stroke engines? |
| A. | Same as the value of four-stroke |
| B. | Twice the value of four-stroke |
| C. | Has no relationship with four-stroke |
| D. | Four times the value of four-stroke |
| Answer» C. Has no relationship with four-stroke | |
| 6. |
Which of the following material is used to fill the space between the plug electrodes in a surface discharge plug? |
| A. | Semiconductor |
| B. | Plastic |
| C. | Rubber |
| D. | Wood |
| Answer» B. Plastic | |
| 7. |
What is the correct range of gap size in the millimeter of a spark plug? |
| A. | 0.35-0.45 |
| B. | 0.6-0.1 |
| C. | 1-2 |
| D. | 2-4 |
| Answer» C. 1-2 | |
| 8. |
Which of the following is.used as a material for the ground electrode of the spark plug? |
| A. | Nickel |
| B. | Cast iron |
| C. | Brass |
| D. | Bronze |
| Answer» B. Cast iron | |
| 9. |
Which of the following is used as a material for the body shell of the spark plug? |
| A. | Low carbon steel |
| B. | Ceramic |
| C. | Paper |
| D. | Wood |
| Answer» B. Ceramic | |
| 10. |
What is the total resistance in ohms offered by primary winding in the ignition coil? |
| A. | 5 |
| B. | 7 |
| C. | 3 |
| D. | 4 |
| Answer» D. 4 | |
| 11. |
What is the function of the sealing between the insulator and the body shell? |
| A. | Prevents the hot gas from leaking |
| B. | Prevents the pressure increase |
| C. | Prevents the temperature increase |
| D. | Prevents Current leakage |
| Answer» B. Prevents the pressure increase | |
| 12. |
Which of the following is not the main part of a spark plug? |
| A. | The center electrode |
| B. | The ground electrode |
| C. | Distributor cap |
| D. | The insulator |
| Answer» E. | |
| 13. |
Which of the following is the hottest part of the spark plug? |
| A. | Terminal |
| B. | Insulator tip |
| C. | Shell |
| D. | Gasket |
| Answer» C. Shell | |