ELECTROLYSIS AND STORAGE BATTERIES QUIZ

In ______ system the charging current is intermittently controlled at either a maximum or minimum value

floating charge

two rate charge control

an equalizing charge

trickle charge

TRUE ANSWER : ?
YOUR ANSWER : ?

The capacity of a lead-acid cell depends on

All of these

Rate of discharge

Density of electrolyte

Temperature

TRUE ANSWER : ?
YOUR ANSWER : ?

_______ of electrolyte indicates the state of charge of the battery

colour

mass

specific gravity

viscosity

TRUE ANSWER : ?
YOUR ANSWER : ?

During the charging and discharging of a nickel-iron cell

corrosive fumes are produced

its e.m.f. remains constant

nickel hydroxide remains unsplit

water is neither formed nor absorbed

TRUE ANSWER : ?
YOUR ANSWER : ?

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

lead peroxide and lead

lead sulphate and lead

lead and lead peroxide

None of these

TRUE ANSWER : ?
YOUR ANSWER : ?

Electrolyte used in an Edison cell is

HC1

NaOH

HN03

kOH

TRUE ANSWER : ?
YOUR ANSWER : ?

Internal resistance of a cell is due to

surface contact resistance between electrode and electrolyte

electrode resistance

resistance of electrolyte

all of the listed here

TRUE ANSWER : ?
YOUR ANSWER : ?

Following will occur if level of electrolyte falls below plates

life of the cell is reduced

all of these

capacity of the cell is reduced

open plates are converted to lead sulphate

TRUE ANSWER : ?
YOUR ANSWER : ?

The capacity of a battery is expressed in terms of

none of the listed here

ampere-hour rating

current rating

voltage rating

TRUE ANSWER : ?
YOUR ANSWER : ?

Each cell has a vent cap

to check the level of electrolyte

to allow gases out when the cell is on charge

all of the listed here

to add water to the cell if needed

TRUE ANSWER : ?
YOUR ANSWER : ?

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