Electrolyte used in a lead-acid cell is__________?
Electrolyte used in a lead-acid cell is__________?
A. NaOH
B. onlyH2S04
C. only water
D. dilute H2SO4
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Persons preparing electrolyte should wear___________?
Persons preparing electrolyte should wear___________?A. goggles or other face shield
B. rubber
C. rubber boots and gloves
D. all above safety devicesWhile preparing electrolyte for a lead-acid battery___________?
While preparing electrolyte for a lead-acid battery___________?A. water is poured into acid
B. acid is poured into water
C. anyone of the two can be added to other chemicalSelf charge of a Ni-Fe cell is _______ Edison cell
Self charge of a Ni-Fe cell is _______ Edison cellA. equal to
B. less than
C. more than
D. much more thanIt is noticed that durum charging___________?
It is noticed that durum charging___________?A. there is a rise in voltage
B. energy is absorbed by the cell
C. specific gravity of H2SO4 is increased
D. the anode becomes chocolate brown in colour (PbCfe) and cathode becomes grey metallic lead (Pb)
E. all of the aboveFollowing will happen if battery charging rate is too high______________?
Following will happen if battery charging rate is too high______________?A. excessive gassing will occur
B. temperature rise will occur
C. bulging and buckling of plates will occur
D. all above will occurThe active materials of a nickel-iron battery are___________?
The active materials of a nickel-iron battery are___________?A. nickel hydroxide
B. powdered iron and its oxide
C. 21% solution of KOH
D. all of the above