MCQ on Battery

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1. The capacity of a lead acid cell does not depend on its
(A) temperature.
(B) rate of discharge.
(C) rate of charge.
(D) all of the above.


 2. When a lead acid battery is in fully charge condition, the color of its positive plate is
(A) brown.
(B) dark grey.
(C) dark brown.
(D) none of the above.


 3. The capacity of a battery is expressed in term of
(A) ampere.
(B) volt-hour.
(C) ampere-hour.
(D) volt-amp-hour.


 4. When the lead acid battery is fully charged condition, the appearance of its electrolyte is
(A) bright.
(B) dull.
(C) milky.
(D) brown.


 5. During charging the specific gravity of the electrolyte of a lead acid battery
(A) decreases.
(B) increases.
(C) remain same.
(D) none of the above.


 6. Due to sulphation effect in lead acid battery, its terminal resistance
(A) increases.
(B) decreases.
(C) remain same.
(D) none of the above.


  7. During discharging the specific gravity of the electrolytes of a lead acid battery
(A) decreases.
(B) increases.
(C) remain same.
(D) none of the above.


 8. Which of the following cell has the highest voltage?
(A) Mercury.
(B) Lithium.
(C) Carbon-Zinc.
(D) Manganese-Alkaline.


 9. Which of the following cells has the lowest voltage?
(A) Carbon-Zink.
(B) Lithium.
(C) Manganese-Alkaline.
(D) Mercury.


 10. Sulphation in a lead acid battery occurs due to
(A) trickle charging.
(B) heavy charging.
(C) overcharging.
(D) incomplete charging.


 11. Which of the following battery is generally used in electric power station?
(A) Zinc carbon battery.
(B) Nickel cadmium battery.
(C) Lead acid battery.
(D) Lithium battery.


 12. In order to Increase voltage, number of cells are connected in
(A) series.
(B) parallel.
(C) opposite direction.
(D) none of the above.


 13. In order to increase capacity of the battery, number of cells are connected in
(A) series.
(B) parallel.
(C) both above.
(D) none of the above.


 14. Which of the following instrument is used to measure the specific gravity of electrolyte?
(A) Barometer.
(B) Hygroscope.
(C) Hydroscope.
(D) Lactometer.


 15. In Edison cell, the negative plate is made of
(A) zinc.
(B) copper.
(C) iron.
(D) lead.


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