Electrolysis and Storage Batteries The watt-hour efficiency of a lead-acid cell varies between 90 to 95% 25 to 35% 70 to 80% 40 to 60% 90 to 95% 25 to 35% 70 to 80% 40 to 60% ANSWER DOWNLOAD EXAMIANS APP
Electrolysis and Storage Batteries Which of the following is incorrect? A storage cell has a reversible chemical reaction A lead-acid cell can be recharged A primary cell has an irreversible chemical reaction A carbon-zinc cell has unlimited shelf life A storage cell has a reversible chemical reaction A lead-acid cell can be recharged A primary cell has an irreversible chemical reaction A carbon-zinc cell has unlimited shelf life ANSWER DOWNLOAD EXAMIANS APP
Electrolysis and Storage Batteries Satellite power requirement is provided through lead-acid batteries nickel-cadmium cells dry cells solar cells lead-acid batteries nickel-cadmium cells dry cells solar cells ANSWER DOWNLOAD EXAMIANS APP
Electrolysis and Storage Batteries Sulphated cells are indicated by the loss of capacity of the cell the decrease of the specific gravity the low voltage of the cell on discharge all of the listed here the loss of capacity of the cell the decrease of the specific gravity the low voltage of the cell on discharge all of the listed here ANSWER DOWNLOAD EXAMIANS APP
Electrolysis and Storage Batteries A constant-voltage generator has low internal resistance high internal resistance minimum efficiency minimum current capacity low internal resistance high internal resistance minimum efficiency minimum current capacity ANSWER DOWNLOAD EXAMIANS APP
Electrolysis and Storage Batteries During discharge, the active material of both the positive and negative plates is changed to PbS04 Pb02 Pb PbS02 PbS04 Pb02 Pb PbS02 ANSWER DOWNLOAD EXAMIANS APP