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

A. There is a rise in voltage

B. Energy is absorbed by the cell

C. Specific gravity of H₂SO₄ is increased

D. The anode becomes chocolate brown in colour (PbCfe) and cathode becomes grey metallic lead (Pb)

E. All of the above

A. Less than

B. More than

C. Equal to

D. None of the above

A. two

B. three

C. four

D. five

A. below

B. equal to

C. above

D. none of the above

A. Lead-acid battery

B. Nickel-iron battery

C. Dry cell battery

D. Silver oxide battery

A. Two electrodes of different meta’s should be inserted in the electrolyte, not touching each other

B. Electrolyte must chemically react with one of the electrodes

C. Electrolyte liquid or paste should be conducting

D. All above three conditions are necessary

A. using vent plug to permit gas formed during discharge

B. increasing the plate area

C. putting plates very close together

D. all above methods

A. buckling of plates

B. faulty separators

C. lead particles forming circuit between positive and negative plates

D. excessive accumulation of sediment

E. any one of above

A. Rate of discharge

B. Temperature

C. Density of electrolyte

D. All above

A. maintain proper electrolyte level

B. increase its reserve capacity

C. prevent sulphation

D. keep it fresh and fully charged