ELECTROLYSIS AND STORAGE BATTERIES QUIZ

During the idle period of the battery, strong electrolyte tends to change the active material of the cell into

Pb02

PbO

PbSC-4

Pb

TRUE ANSWER : ?
YOUR ANSWER : ?

Which of the following has lower sp. gravity V

Water

Dilute H₂SO₄

Concentrated H₂SO₄

All of the listed here

TRUE ANSWER : ?
YOUR ANSWER : ?

Negative plate of an Edison cell is made of

copper

lead

silver oxide

iron

TRUE ANSWER : ?
YOUR ANSWER : ?

Persons preparing electrolyte should wear

rubber boots and gloves

rubber

goggles or other face shield

all of these

TRUE ANSWER : ?
YOUR ANSWER : ?

Chargmg of sulphated battery produces ____ heat.

no

very little

less

more

TRUE ANSWER : ?
YOUR ANSWER : ?

Specific gravity of electrolyte in Edison cell is

2.0

1.21

1.1

1.5

TRUE ANSWER : ?
YOUR ANSWER : ?

In a lead-acid cell dilute sulfuric acid (electrolyte) approximately comprises the following

all H₂SO₄

three parts H2O, one part H₂SO₄

one part H2O, three parts H₂SO₄

two parts H2O, two parts H₂SO₄

TRUE ANSWER : ?
YOUR ANSWER : ?

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

lead

zinc powder

silver oxide

lead oxide

TRUE ANSWER : ?
YOUR ANSWER : ?

If a lead-acid cell is discharged below 1.8 V the following will happen.

Internal resistance will increase

All of the listed here

Sulphation of plates will occur

Capacity of cell will reduce

TRUE ANSWER : ?
YOUR ANSWER : ?

A typical output of a solar cell is

0.26 V

0.5 V

1.1 V

1.5 V

TRUE ANSWER : ?
YOUR ANSWER : ?

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