Electrolysis and Storage Batteries The watt-hour efficiency of a lead-acid cell varies between 40 to 60% 25 to 35% 70 to 80% 90 to 95% 40 to 60% 25 to 35% 70 to 80% 90 to 95% ANSWER DOWNLOAD EXAMIANS APP
Electrolysis and Storage Batteries When two batteries are connected in parallel, it should be ensured that they have identical internal resistance they have same ampere-hour capacity they have same make they have same e.m.f. they have identical internal resistance they have same ampere-hour capacity they have same make they have same e.m.f. ANSWER DOWNLOAD EXAMIANS APP
Electrolysis and Storage Batteries Specific gravity of electrolyte in Edison cell is 1.5 2.0 1.1 1.21 1.5 2.0 1.1 1.21 ANSWER DOWNLOAD EXAMIANS APP
Electrolysis and Storage Batteries It is noticed that during discharging the following does not happen voltage of the cell decreases specific gravity of H2SO4 decreases the cell absorbs energy both anode and cathode become PbS04 voltage of the cell decreases specific gravity of H2SO4 decreases the cell absorbs energy both anode and cathode become PbS04 ANSWER DOWNLOAD EXAMIANS APP
Electrolysis and Storage Batteries Charging a sulphated battery at high rate results in 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 damage to separators, cell caps covers and battery case due to excessive temperature ANSWER DOWNLOAD EXAMIANS APP
Electrolysis and Storage Batteries Internal short circuits are caused by both of the options given here none of the listed here breakdown of one or more separators excess accumulation of sediment at the bottom of the cell both of the options given here none of the listed here breakdown of one or more separators excess accumulation of sediment at the bottom of the cell ANSWER DOWNLOAD EXAMIANS APP