Electrical Engineering : Electrolysis And Storage Of Batteries QUESTIONS AND ANSWERS :: part3 : 6 to 10
Following Electrical Engineering Multiple choice objective type questions and answers will help you in BSNL JTO, GATE 2024 and IES 2024 examinations :
6.Life of the batteries is in the following ascending order. |
| Lead-acid cell, Edison cell, Nickel cadmium cell |
| Lead-acid cell, Nickel-cadmium cell, Edison cell |
| Edison cell, Nickel-cadmium cell, lead-acid cell |
| Nickel-cadmium cell, Edison cell, lead-acid cell |
7.In order that a hydrometer may float vertically in electrolyte its C.G. should be |
| lowered |
| raised |
| undisturbed |
| displaced sideways |
8.Battery container should be acid resistance, therefore it is made up of |
| glass |
| plastic |
| wood |
| all above |
9.Local action in a battery is indicated by |
| excessive gassing under load conditions |
| excessive drop in the specific gravity of electrolyte even when the cell is on open circuit |
| both (a) and (b) |
| none of the above |
10.In a lead-acid cell, if the specific gravity of sulphuric acid is 1.8, it will require following ratio of acid to water to get mixture of specific gravity of 1.3 |
| 6 parts of acid to 4 parts of water |
| 4 parts of acid to 4 parts of water |
| 4 parts of acid to 6 parts of water |
| 4 parts of acid to 8 parts of water |
More Electrolysis And Storage Of Batteries QUESTIONS AND ANSWERS available in next pages
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