12 APRIL 2021 CURRENT AFFAIRS QUIZ

Life of the Edison cell is at least

eight years

five years

seven years

ten years

TRUE ANSWER : ?
YOUR ANSWER : ?

Under normal charging rate, the charging current should be

40% of capacity

30% of capacity

20% of capacity

10% of capacity

TRUE ANSWER : ?
YOUR ANSWER : ?

The effect of sulphation is that the internal resistance

none of the listed here

decreases

remains same

increases

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 : ?

Negative plate of an Edison cell is made of

iron

silver oxide

copper

lead

TRUE ANSWER : ?
YOUR ANSWER : ?

A dead storage battery can be revived by

none of the listed here

adding distilled water

a dose of H₂SO₄

adding so-called battery restorer

TRUE ANSWER : ?
YOUR ANSWER : ?

The capacity of a battery is expressed in terms of

none of the listed here

current rating

voltage rating

ampere-hour rating

TRUE ANSWER : ?
YOUR ANSWER : ?

The current flow through electrolyte is due to the movement of

electrons

ions

None of these

holes

TRUE ANSWER : ?
YOUR ANSWER : ?

Ampere hour capacity of an industrial battery is based on ____ hours discharge rate.

12

10

8

24

TRUE ANSWER : ?
YOUR ANSWER : ?

Which of the following battery is used for aircraft ?

Dry cell battery

Nickel-iron battery

Silver oxide battery

Lead-acid battery

TRUE ANSWER : ?
YOUR ANSWER : ?

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