Electrolysis And Storage Of Batteries MCQ Questions & Answers | Electrical Engineering

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1.
When the specific gravity of the electrolyte of a lead-acid cell is reduced to 1.1 to 1.15 the cell is in

A. charged state

B. discharged state

C. both (A) and (B)

D. active state

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2.
During charging the specific gravity of the electrolyte of a lead-acid battery

A. increases

B. decreases

C. remains the same

D. becomes zero

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3.
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 chemical

D. none of the above

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4.
The ratio of ampere-hour efficiency to watt-hour efficiency of a lead-acid cell is

A. just one

B. always greater than one

C. always less than one

D. none of the above

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5.
Electrolyte used in a lead-acid cell is

A. NaOH

B. only H₂SO₄

C. only water

D. dilute H₂SO₄

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