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Applied science

Total questions: 7

Worksheet time: 4mins

Name
Class
Date
1.

The capacity of a battery is expressed in terms of

a)

Current rating

b)

Voltage rating

c)

Ampere hour rating

d)

None of the above

2.

The storage battery generally used in electric power station is

a)

Nickel-cadmium battery

b)

Zinc carbon battery

c)

Lead-acid battery

d)

None of the above

3.

On over charging a battery

a)

It will bring about chemical change in active materials

b)

It will increase the capacity of the battery

c)

It will raise the specific gravity of the electrolyte

d)

None of the above

4.

Battery charging equipment is generally installed

a)

In well ventilated location

b)

In clean and dry place

c)

As near as practical to the battery being charged

d)

In location having all above features

5.

Nominal cell value of Ni-Cd battery is

a)

1.2V

b)

2V

c)

3V

6.

Electrochemical reaction can be reversible in

a)

Primary cell

b)

secondary cell

c)

zinc cell

d)

zinc-alloy cell

7.

Redox reaction is a

a)

oxidation

b)

reduction

c)

oxidation-reduction

d)

natural reaction