Objective Questions on Nickel Iron Batteries or Edison Batteries

  1. In an Edison cell, the electrolyte used is

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  2. Active materials of a nickel-iron cell are

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  3. In nickel-iron cell the electrolyte is

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  4. The life of a Edison cell is expected to be

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  5. As compared to a lead acid cell, the efficiency of a nickel iron cell is less due to its

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  6. On the average the ampere-hour efficiency of an Edison cell is about

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  7. Negative plate of an Edison cell is made of

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  8. The body of Edison cell is made of

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  9. Which of the following battery is used for air craft?

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  10. Self charge of a nickel iron cell is ............... Edison cell.

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  11. Which secondary cell has the highest voltage output?

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  12. The internal resistance of lead acid cell is ............. that of Edison cell.

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  13. During the charging and discharging of a nickel iron cell

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  14. The emf of an Edison cell, when fully charged, is nearly

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  15. Electrolyte used in an Edison cell is

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  16. .......... of electrolyte indicates the state of charge of the battery .

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  17. Specific gravity of electrolyte in Edison cell is

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  18. Ampere hour capacity of an industrial battery is based on ............ hours discharge rate.

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  19. For given ampere capacity, weight of lead acid cell is ............... times that of Edison cell.

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  20. Which of the following is a dry storage cell?

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  21. In an Edison cell the concentration of electrolyte
    1. A) increases during charging
    2. B) increases during discharging
    3. C) decreases during charging
    4. D) remain unaltered.

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  22. In Edison cell the positive plates consists of
    1. A) Nickel hydroxide
    2. B) Iron
    3. C) Pure nickel
    4. D) spongy iron.

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  23. When the nickel iron battery is being discharged, the terminal voltage decreases with
    1. A) decreasing discharge rate
    2. B) decreasing state of charge
    3. C) decreasing temperature
    4. D) none of above.

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  24. Which of following is the common voltage application of automobile battery
    1. A) 2 V
    2. B) 10 V
    3. C) 12 V
    4. D) 25 V.

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  25. A floating battery is one
    1. A) in which battery voltage is equal to charger voltage
    2. B) in which the electric current in the circuit is fully supplied by the battery
    3. C) which gets charged and discharged simultaneously
    4. D) which supplies electric current intermitently and also during off cycle get charged.

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You have to attempt at least 10 questions.