ELECTROLYSIS AND STORAGE BATTERIES QUIZ

A typical output of a solar cell is

0.26 V

0.5 V

1.1 V

1.5 V

TRUE ANSWER : ?
YOUR ANSWER : ?

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

three parts H2O, one part H₂SO₄

all H₂SO₄

one part H2O, three parts H₂SO₄

two parts H2O, two parts H₂SO₄

TRUE ANSWER : ?
YOUR ANSWER : ?

During the charging and discharging of a nickel-iron cell

water is neither formed nor absorbed

nickel hydroxide remains unsplit

corrosive fumes are produced

its e.m.f. remains constant

TRUE ANSWER : ?
YOUR ANSWER : ?

In constant voltage charging method, the charging current from discharged to fully charged condition

Remains same

Decreases

None of the listed here

Increases

TRUE ANSWER : ?
YOUR ANSWER : ?

In a lead-acid cell, lead is called as

None of the listed here

negative active material

passive material

positive active material

TRUE ANSWER : ?
YOUR ANSWER : ?

Sulphated cells are indicated by

the loss of capacity of the cell

the low voltage of the cell on discharge

all of the listed here

the decrease of the specific gravity

TRUE ANSWER : ?
YOUR ANSWER : ?

Internal resistance of a cell is due to

resistance of electrolyte

surface contact resistance between electrode and electrolyte

all of the listed here

electrode resistance

TRUE ANSWER : ?
YOUR ANSWER : ?

The mass of an ion liberated at an electrode is directly proportional to the quantity of electricity”. The above statement is associated with

Faraday’s law of electrolysis

Newton’s law

Faraday’s law of electromagnetic

Gauss’s law

TRUE ANSWER : ?
YOUR ANSWER : ?

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

Rate of discharge

Temperature of surroundings

All of these

Specific gravity of electrolyte

TRUE ANSWER : ?
YOUR ANSWER : ?

Ampere hour capacity of an industrial battery is based on ____ hours discharge rate.

24

10

12

8

TRUE ANSWER : ?
YOUR ANSWER : ?

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