ELECTROLYSIS AND STORAGE BATTERIES QUIZ

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

displaced sideways

lowered

undisturbed

raised

TRUE ANSWER : ?
YOUR ANSWER : ?

Which of the following primary cells has the highest voltage ?

Lithium

Mercury

Manganese-alkaline

Carbon-zinc

TRUE ANSWER : ?
YOUR ANSWER : ?

Five 2 V cells are connected in parallel. The output voltage is

2 V

10 V

1.5 V

15 V

TRUE ANSWER : ?
YOUR ANSWER : ?

The charge required to liberate one gram equivalent of any substance is known as ______ constant

None of the listed here

Faraday’s

Time

Boltzman

TRUE ANSWER : ?
YOUR ANSWER : ?

Electrolyte used in a lead-acid cell is

dilute H₂SO₄

only H₂SO₄

only water

NaOH

TRUE ANSWER : ?
YOUR ANSWER : ?

Self charge of a Ni-Fe cell is _____ Edison cell.

Equal to

Less than

More than

Much more than

TRUE ANSWER : ?
YOUR ANSWER : ?

Cell short circuit results in

reduced gassing on charge

all of the listed here

low sp. gravity electrolyte

abnormal high temperature

TRUE ANSWER : ?
YOUR ANSWER : ?

The output voltage of a charger is

less than the battery voltage

higher than the battery voltage

none of the listed here

the same as the battery voltage

TRUE ANSWER : ?
YOUR ANSWER : ?

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

lead and lead peroxide

None of these

lead sulphate and lead

lead peroxide and lead

TRUE ANSWER : ?
YOUR ANSWER : ?

The common impurity in the electrolyte of lead-acid battery is

dust particles

iron

chlorine

lead crystals

TRUE ANSWER : ?
YOUR ANSWER : ?

↑