ELECTROLYSIS AND STORAGE BATTERIES QUIZ

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

none of the listed here

decreases

increases

remains constant

TRUE ANSWER : ?
YOUR ANSWER : ?

Which among the following constitutes the major load for an automobile battery ?

Parking lights

Brake light

Self starter

Spark plugs

TRUE ANSWER : ?
YOUR ANSWER : ?

When two batteries are connected in parallel, it should be ensured that

they have same make

they have same ampere-hour capacity

they have identical internal resistance

they have same e.m.f.

TRUE ANSWER : ?
YOUR ANSWER : ?

Life of the Edison cell is at least

eight years

five years

seven years

ten years

TRUE ANSWER : ?
YOUR ANSWER : ?

Cells are connected in parallel to

Increase the current capacity

Increase the internal resistance

Increase the voltage output

Increase the efficiency

TRUE ANSWER : ?
YOUR ANSWER : ?

The average charging voltage for alkali cell is about

1.2 V

2.1 V

1 V

1.7 V

TRUE ANSWER : ?
YOUR ANSWER : ?

All the electrical connections between the battery and vehicle should be by

thin copper wires

rigid cables

flexible cables

thin aluminium wires

TRUE ANSWER : ?
YOUR ANSWER : ?

In alkaline cell the electrolyte is

NaOH

kOH

dilute sulphuric acid

concentrated sulphuric acid

TRUE ANSWER : ?
YOUR ANSWER : ?

A dead storage battery can be revived by

a dose of H₂SO₄

adding so-called battery restorer

adding distilled water

none of the listed here

TRUE ANSWER : ?
YOUR ANSWER : ?

During the charging of a lead-acid cell

its voltage increases

it gives out energy

its cathode becomes dark chocolate brown in colour

specific gravity of H₂SO₄ decreases

TRUE ANSWER : ?
YOUR ANSWER : ?

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