Electrolysis And Storage Of Batteries MCQ Questions & Answers

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Learn Electrolysis And Storage Of Batteries MCQ questions & answers are available for a Electrical Engineering students to clear GATE exams, various technical interview, competitive examination, and another entrance exam. Electrolysis And Storage Of Batteries MCQ question is the important chapter for a Electrical Engineering and GATE students. Page-5 section-1

Each section contains 100 MCQs on Electrolysis and Storage of Batteries .

Following will occur if level of electrolyte falls below plates

A) capacity of the cell is reduced B) life of the cell is reduced C) open plates are converted to lead sulphate D) all above

Discuss

Answer & Solution

Answer: Option D

No explanation is given for this question. Let's Discuss on Board

In order that a hydrometer may float vertically in electrolyte its C.G. should be

A) lowered B) raised C) undisturbed D) displaced sideways

Discuss

Answer & Solution

Answer: Option A

No explanation is given for this question. Let's Discuss on Board

Which of the following factors adversely affects the capacity of the leadacid battery ?

A) Temperature of surroundings B) Specific gravity of electrolyte C) Rate of discharge D) All of the above

Discuss

Answer & Solution

Answer: Option D

No explanation is given for this question. Let's Discuss on Board

The current flow through electrolyte is due to the movement of

A) ions B) holes C) electrons D) none of the above

Discuss

Answer & Solution

Answer: Option A

No explanation is given for this question. Let's Discuss on Board

The active materials on the positive and negative plates of a fully charged lead-acid battery are

A) lead and lead peroxide B) lead sulphate and lead C) lead peroxide and lead D) none of the above

Discuss

Answer & Solution

Answer: Option C

No explanation is given for this question. Let's Discuss on Board

Cells are connected in parallel to

A) Increase the efficiency B) Increase the current capacity C) Increase the voltage output D) Increase the internal resistance

Discuss

Answer & Solution

Answer: Option B

No explanation is given for this question. Let's Discuss on Board

On the average the ampere-hour efficiency of an Edison cell is about

A) 40% B) 60% C) 70% D) 80%

Discuss

Answer & Solution

Answer: Option D

No explanation is given for this question. Let's Discuss on Board

On overcharging a battery

A) It will bring about chemical change in active materials B) It will increase the capacity of the battery C) It will raise the specific gravity of the electrolyte D) None of the above will occur

Discuss

Answer & Solution

Answer: Option D

No explanation is given for this question. Let's Discuss on Board

Batteries are charged by

A) rectifiers B) engine generator sets C) motor generator sets D) any one of the above methods

Discuss

Answer & Solution

Answer: Option D

No explanation is given for this question. Let's Discuss on Board

The active material of the positive plates of silver-zinc batteries is

A) silver oxide B) lead oxide C) lead D) zinc powder

Discuss

Answer & Solution

Answer: Option A

No explanation is given for this question. Let's Discuss on Board

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