Electrolysis And Storage Of Batteries Set 4

8 ✘ 12 ✘ 16 ✘ 24 ✔

produces excessive gassing ✘ loosens the active material ✘ increases the temperature resulting in buckling of plates ✘ all above ✔

Pb ✘ Pb02 ✘ PbO ✘ PbS04 ✔

one part H2O, three parts H2SO4 ✘ two parts H2O, two parts H2SO4 ✘ three parts H2O, one part H2SO4 ✘ all H2SO4 ✔

breakdown of one or more separators ✘ excess accumulation of sediment at the bottom of the cell ✘ both (A) and (B) ✘ none of the above ✔

nickel-cadmium battery ✘ zinc-carbon battery ✘ lead-acid battery ✘ none of the above ✔

adding distilled water ✘ adding so-called battery restorer ✘ a dose of H2SO4 ✘ none of the above ✔

Equal to ✘ Less than ✘ More than ✘ Much more than ✔

five years ✘ seven years ✘ eight years ✘ ten years ✔

low sp. gravity electrolyte ✘ abnormal high temperature ✘ reduced gassing on charge ✘ all above ✔