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Electrolysis and Storage of Batteries - Interview Questions and Answers

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61. In constant-current charging method, the supply voltage from discharged to fully charged condition
A. decreases
B. increases
C. remains constant
D. none of the above
Explanation:
62. Sulphated cells are indicated by
A. the loss of capacity of the cell
B. the decrease of the specific gravity
C. the low voltage of the cell on discharge
D. all above conditions
Explanation:
63. Life of the batteries is in the following ascending order.
A. Lead-acid cell, Edison cell, Nickel cadmium cell
B. Lead-acid cell, Nickel-cadmium cell, Edison cell
C. Edison cell, Nickel-cadmium cell, lead-acid cell
D. Nickel-cadmium cell, Edison cell, lead-acid cell
Explanation:
64. In order that a hydrometer may float vertically in electrolyte its C.G. should be
A. lowered
B. raised
C. undisturbed
D. displaced sideways
Explanation:
65. Battery container should be acid resistance, therefore it is made up of
A. glass
B. plastic
C. wood
D. all above
Explanation:
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