ELECTROLYSIS AND STORAGE BATTERIES QUIZ

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

rigid cables

thin copper wires

thin aluminium wires

flexible cables

TRUE ANSWER : ?
YOUR ANSWER : ?

The ampere-hour efficiency of a leadacid cell is normally between

70 to 75%

90 to 95%

80 to 85%

20 to 35%

TRUE ANSWER : ?
YOUR ANSWER : ?

When the load resistance equals the generator resistance which of the following will be maximum ?

Power in the load resistance

Current

Efficiency of the circuit

Voltage across the load resistance

TRUE ANSWER : ?
YOUR ANSWER : ?

Extent of corrosion in the underground metal work depends upon

type of metals

type of soil chemicals

all of these

amount of moisture

TRUE ANSWER : ?
YOUR ANSWER : ?

Persons preparing electrolyte should wear

goggles or other face shield

rubber

all of these

rubber boots and gloves

TRUE ANSWER : ?
YOUR ANSWER : ?

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

Rate of discharge

Specific gravity of electrolyte

All of these

Temperature of surroundings

TRUE ANSWER : ?
YOUR ANSWER : ?

The specific gravity of electrolyte is measured by

a mechanical gauge

psychrometer

hydrometer

manometer

TRUE ANSWER : ?
YOUR ANSWER : ?

Which of the following battery is used for aircraft ?

Silver oxide battery

Dry cell battery

Nickel-iron battery

Lead-acid battery

TRUE ANSWER : ?
YOUR ANSWER : ?

The best indication about the state of charge on a lead-acid battery is given by

output voltage

none of the listed here

temperature of electrolyte

specific gravity of electrolyte

TRUE ANSWER : ?
YOUR ANSWER : ?

The active material of the positive plates of silver-zinc batteries is

zinc powder

lead

lead oxide

silver oxide

TRUE ANSWER : ?
YOUR ANSWER : ?

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