Free Printable battery

1.

1. The capacity of a battery is expressed in terms of

a)

A. Current rating

b)

B. Voltage rating

c)

C. Ampere hour rating

d)

D. None of the above

2.

2.The storage battery generally used in electric power station is

a)

A. Nickel-cadmium battery

b)

B. Zinc carbon battery

c)

C. Lead-acid battery

d)

D. None of the above

3.

3.Trickle charger of a storage battery helps to

a)

A. Maintain proper electrolyte level

b)

B. Increase its reverse capacity

c)

C. Prevent sulphation

d)

D. Keep it fresh and fully charged

4.

4.On over charging a battery

a)

A. It will bring about chemical change in active materials

b)

B. It will increase the capacity of the battery

c)

C. It will raise the specific gravity of the electrolyte

d)

D. None of the above

5.

5.Batteries are charged by

a)

A. Rectifiers

b)

B. Engine generator sets

c)

C. Motor generator sets

d)

D. Any of the above

6.

6. Battery container should be acid resistance therefore it is made up of

a)

A.Glass

b)

B. Plastic

c)

C. Wood

d)

D. All of the above

7.

7. Following will happen if battery charging rate is too high

a)

A. Excessive gassing will occur

b)

B. Temperature rise will occur

c)

C. Bulging and buckling of plates we occur

d)

D. All of the above

8.

8. Local action in a battery is indicated by

a)

A. Excessive gassing under load conditions

b)

B. Excessive drop in the specific gravity of electrolyte even when the sale is on open circuit

c)

C. Both A and B

d)

D. None of the above

9.

9. The following indicate that battery on charge has attained full charge

a)

A. Colour of electrode

b)

B. Gassing

c)

C. Specific gravity

d)

D. All of the above

10.

.10. To prevent local action in battery, only ............is used in electrolytes

a)

A. Pump water

b)

B. Distilled water

c)

C. Tap water

d)

D. Both A and C

11.

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

a)

A. 8

b)

B. 12

c)

C. 16

d)

D. 24

12.

12. A battery of six cells will show a drop of ........volts from fully charged state to fully discharged state

a)

A. 1

b)

B. 1.5

c)

C. 2.4

d)

D. 2.9

13.

13. Which of the following battery is used for aircraft?

a)

A. Lead acid battery

b)

B. Nickel-iron battery

c)

C. Dry cell battery

d)

D. Silver oxide battery

14.

14. When two batteries are connected in parallel, it should be ensured that

a)

A. They have same emf

b)

B. They have same make

c)

C. They have same ampere hour capacity

d)

D. They have identical internal resistance

15.

15.The electrode for a battery must be

a)

A. A semi conductor

b)

B. An insulator

c)

C. A good conductor of electricity

d)

D. A bad conductor of electricity

battery

Total questions: 15

Worksheet time: 11mins

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