MCQOPTIONS
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MCQOPTIONS
This section includes 12 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 component is formed on the positive plate after the discharged reaction in a lead-acid battery? |
| A. | Sulphuric acid |
| B. | Lead peroxide |
| C. | Lead sulphate |
| D. | Spongy lead |
| Answer» D. Spongy lead | |
| 2. |
Due to which of the following the separator is made porous? |
| A. | To dissipate heat |
| B. | Increases efficiency |
| C. | Allow the diffusion of acid |
| D. | Acts as a pressure relief |
| Answer» D. Acts as a pressure relief | |
| 3. |
Which among the following colour is used to indicate the positive terminal of the battery? |
| A. | Blue |
| B. | Green |
| C. | Black |
| D. | Red |
| Answer» E. | |
| 4. |
What is the amount of water and acid present in the electrolyte after the full discharge of the battery? |
| A. | 90% of water and 10% of acid |
| B. | 85% of water and 15% of acid |
| C. | 70% of water and 30% of acid |
| D. | 75% of water and 25% of acid |
| Answer» C. 70% of water and 30% of acid | |
| 5. |
Which of the following increase due to which the electrode gravity decreases? |
| A. | Enthalpy |
| B. | Entropy |
| C. | Temperature |
| D. | Pressure |
| Answer» D. Pressure | |
| 6. |
Which of the following material is used in the positive plate of a lead-acid battery? |
| A. | Sulphuric acid |
| B. | Spongy lead |
| C. | Lead peroxide |
| D. | Water |
| Answer» D. Water | |
| 7. |
What is the correct count of negative plates with respect to positive plates in a battery? |
| A. | Both positive and negative have the same number of plates |
| B. | More positive plates when compared to negative plates |
| C. | More negative plates when compared to positive plates |
| D. | Have no relation between them |
| Answer» D. Have no relation between them | |
| 8. |
Which of the following is the material used for separator? |
| A. | Nickel |
| B. | Cast iron |
| C. | Ebonite |
| D. | Bronze |
| Answer» D. Bronze | |
| 9. |
Which of the following energy is converted to electricity by the battery? |
| A. | Mechanical energy |
| B. | Chemical energy |
| C. | Thermal energy |
| D. | Electrical energy |
| Answer» C. Thermal energy | |
| 10. |
Which is the active material present on the negative plate in a lead-acid battery? |
| A. | Lead dioxide |
| B. | Lead peroxide |
| C. | Spongy lead |
| D. | Water |
| Answer» D. Water | |
| 11. |
Which of the following is the electrolyte used in a lead-acid battery? |
| A. | Nitric acid |
| B. | Sulphuric acid |
| C. | Lead-acid |
| D. | Hydrochloric acid |
| Answer» C. Lead-acid | |
| 12. |
What is the percentage of acid and water present in the electrolyte of a lead-acid battery in a fully charged condition? |
| A. | 39% acid and 61% water |
| B. | 45% acid and 65% water |
| C. | 30% acid and 70% water |
| D. | 25% acid and 75% water |
| Answer» B. 45% acid and 65% water | |