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Electrolysis and Storage of Batteries - Interview Questions and Answers

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91. The body of Edison cell is made of
A. bakelite
B. rubber
C. nickel plated steel
D. aluminium
Explanation:
92. Extent of corrosion in the underground metal work depends upon
A. amount of moisture
B. type of metals
C. type of soil chemicals
D. all above factors
Explanation:
93. Which of the following primary cells has the highest voltage ?
A. Manganese-alkaline
B. Carbon-zinc
C. Lithium
D. Mercury
Explanation:
94. Short circuiting of a cell may be caused
A. buckling of plates
B. faulty separators
C. lead particles forming circuit between positive and negative plates
D. excessive accumulation of sediment
Explanation:
95. Charging a sulphated battery at high rate results in
A. boiling of electrolyte due to gassing
B. warping of plates
C. damage to separators, cell caps covers and battery case due to ex�cessive temperature
D. all above
Explanation:
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