Electrolysis and Storage Batteries The watt-hour efficiency of a lead-acid cell varies between 90 to 95% 40 to 60% 25 to 35% 70 to 80% 90 to 95% 40 to 60% 25 to 35% 70 to 80% ANSWER DOWNLOAD EXAMIANS APP
Electrolysis and Storage Batteries During the charging and discharging of a nickel-iron cell nickel hydroxide remains unsplit water is neither formed nor absorbed corrosive fumes are produced its e.m.f. remains constant nickel hydroxide remains unsplit water is neither formed nor absorbed corrosive fumes are produced its e.m.f. remains constant ANSWER DOWNLOAD EXAMIANS APP
Electrolysis and Storage Batteries A dead storage battery can be revived by a dose of H₂SO₄ adding so-called battery restorer none of the listed here adding distilled water a dose of H₂SO₄ adding so-called battery restorer none of the listed here adding distilled water ANSWER DOWNLOAD EXAMIANS APP
Electrolysis and Storage Batteries Life of the Edison cell is at least five years ten years eight years seven years five years ten years eight years seven years ANSWER DOWNLOAD EXAMIANS APP
Electrolysis and Storage Batteries As compared to constant-current system, the constant-voltage system of charging a lead acid cell has the advantage of reducing time of charging avoiding excessive gassing increasing cell capacity Both of the listed here reducing time of charging avoiding excessive gassing increasing cell capacity Both of the listed here ANSWER DOWNLOAD EXAMIANS APP
Electrolysis and Storage Batteries Hydrogen evolved during charging produces explosive mixture when it is more than 8 % 5 % 10 % 6 % 8 % 5 % 10 % 6 % ANSWER DOWNLOAD EXAMIANS APP
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