Lead Acid Battery Multiple Choice Questions and Answers

11.  Active materials of a lead acid cell are

   A. Spongy lead

   B. Lead peroxide

   C. Dilute H₂SO₄

   D. All of the above

12.  Sulphation in a lead acid battery occurs due to

   A. Heavy charging

   B. Fast charging

   C. Trickle charging

   D. Incomplete charging

13.  During the charging of a lead acid cell

   A. It's voltage increases

   B. It gives out energy

   C. It's cathode becomes dark chocolate brown in colour

   D. Specific gravity of H₂ SO₄ decreases

14.  During charging the specific gravity of the electrolyte of a lead acid battery

   A. Increases

   B. Decreases

   C. Remains the same

   D. Becomes zero

15.  When a lead acid battery is in fully charged condition the colour of its positive plate is

   A. Dark green

   B. Brown

   C. Dark brown

   D. None of the above

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