Electrical Engineering : Electrolysis And Storage Of Batteries QUESTIONS AND ANSWERS :: part3 : 16 to 20
Following Electrical Engineering Multiple choice objective type questions and answers will help you in BSNL JTO, GATE 2024 and IES 2024 examinations :
16.Shelf life of a small dry cell is |
| equal to that of large dry cell |
| less than that of large dry cell |
| more than that of large dry cell |
| none of the above |
17.If a lead-acid cell is discharged below 1.8 V the following will happen. |
| Capacity of cell will reduce |
| Sulphation of plates will occur |
| Internal resistance will increase |
| All above will occur |
18.Persons preparing electrolyte should wear |
| goggles or other face shield |
| rubber |
| rubber boots and gloves |
| all above safety devices |
19.During discharge, the active material of both the positive and negative plates is changed to |
| Pb |
| Pb02 |
| PbO |
| PbS04 |
20.Internal resistance of a cell is reduced by |
| using vent plug to permit gas formed during discharge |
| increasing the plate area |
| putting plates very close together |
| all above methods |
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