| 1. | The ampere-hour (Ah.) capacity of a battery used on cars is ? | |
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5 to 10 Ah
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15 to 20 Ah
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20 to 80 Ah
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30 to 60 Ah
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Report Question| 2. | The emf of a storage battery depends upon ? | |
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nature of electrodes
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size of electrodes
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shape of the cell
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all of the above
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| 3. | ln a lead-acid cell, hydrogen is liberated at ? | |
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positive plate
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negative plate
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both positive and negative plates
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none of the plates
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| 4. | It is normally specified by the manufactures that a lead-acid battery should not remain discharged for more than ? | |
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one hour
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24 hours
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one week
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one month
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| 5. | If a battery is to be charged at a much higher Rate as compared to normal charging rate, the charging should be restricted to ? | |
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95% of the capacity of battery
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80% of the capacity of battery
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55% of the capacity of battery
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35% of the capacity of battery
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| 6. | A battery of 6 cells will show a drop of ...... volts from fully charged state to fully discharged state ? | |
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1.0
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1.5
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2.4
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2.9
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| 7. | All dry cells when new have about ..........V ? | |
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1.0
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1.2
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1.5
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2.0
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| 8. | Battery container should be acid resistance, therefore it is made up of ? | |
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glass
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plastic
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wood
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all above
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| 9. | "When the specific gravity of the electrolyte of a lead-acid cell is reduced to 1.1 to 1.15 the cell is in ? | |
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charged state
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discharged state
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both (a) and (b)
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active state
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| 10. | The lead-acid cell should never be discharged beyond ? | |
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1.8 V
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1.9 V
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2 V
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2.1 V
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