ELECTROLYSIS AND STORAGE BATTERIES QUIZ

During discharge, the active material of both the positive and negative plates is changed to

Pb02

PbS04

PbS02

Pb

TRUE ANSWER : ?
YOUR ANSWER : ?

The output voltage of a charger is

higher than the battery voltage

none of the listed here

the same as the battery voltage

less than the battery voltage

TRUE ANSWER : ?
YOUR ANSWER : ?

The internal resistance of an alkali cell is nearly _____ times that of the lead-acid cell.

2

3

5

4

TRUE ANSWER : ?
YOUR ANSWER : ?

Life of the batteries is in the following ascending order.

Nickel-cadmium cell, Edison cell, lead-acid cell

Lead-acid cell, Edison cell, Nickel cadmium cell

Edison cell, Nickel-cadmium cell, lead-acid cell

Lead-acid cell, Nickel-cadmium cell, Edison cell

TRUE ANSWER : ?
YOUR ANSWER : ?

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

Faraday’s

Time

Boltzman

None of the listed here

TRUE ANSWER : ?
YOUR ANSWER : ?

Cell short circuit results in

reduced gassing on charge

all of the listed here

abnormal high temperature

low sp. gravity electrolyte

TRUE ANSWER : ?
YOUR ANSWER : ?

Excessive formation of lead sulphate on the surface of the plates happens because of

low level of electrolyte

all of the listed here

allowing a battery to stand in discharged condition for a long time

persistent undercharging

TRUE ANSWER : ?
YOUR ANSWER : ?

The capacity of a lead-acid cell does not depend on its

temperature

quantity of active material

rate of charge

rate of discharge

TRUE ANSWER : ?
YOUR ANSWER : ?

Life of the Edison cell is at least

eight years

ten years

five years

seven years

TRUE ANSWER : ?
YOUR ANSWER : ?

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

flexible cables

thin aluminium wires

thin copper wires

rigid cables

TRUE ANSWER : ?
YOUR ANSWER : ?

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