Electrolysis and Storage Batteries The watt-hour efficiency of a lead-acid cell varies between 90 to 95% 25 to 35% 40 to 60% 70 to 80% 90 to 95% 25 to 35% 40 to 60% 70 to 80% ANSWER DOWNLOAD EXAMIANS APP
Electrolysis and Storage Batteries Charging a sulphated battery at high rate results in damage to separators, cell caps covers and battery case due to excessive temperature boiling of electrolyte due to gassing All of the listed here warping of plates damage to separators, cell caps covers and battery case due to excessive temperature boiling of electrolyte due to gassing All of the listed here warping of plates ANSWER DOWNLOAD EXAMIANS APP
Electrolysis and Storage Batteries The lead-acid cell should never be discharged beyond 2 V 1.8 V 2.1 V 1.9 V 2 V 1.8 V 2.1 V 1.9 V ANSWER DOWNLOAD EXAMIANS APP
Electrolysis and Storage Batteries Which of the following cell has a reversible chemical reaction ? Carbon-zinc Silver-oxide Mercury oxide Lead-acid Carbon-zinc Silver-oxide Mercury oxide Lead-acid ANSWER DOWNLOAD EXAMIANS APP
Electrolysis and Storage Batteries During discharge, the active material of both the positive and negative plates is changed to PbS04 PbS02 Pb02 Pb PbS04 PbS02 Pb02 Pb ANSWER DOWNLOAD EXAMIANS APP
Electrolysis and Storage Batteries Which of the following is incorrect? A carbon-zinc cell has unlimited shelf life A lead-acid cell can be recharged A primary cell has an irreversible chemical reaction A storage cell has a reversible chemical reaction A carbon-zinc cell has unlimited shelf life A lead-acid cell can be recharged A primary cell has an irreversible chemical reaction A storage cell has a reversible chemical reaction ANSWER DOWNLOAD EXAMIANS APP
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