Batteries

#1. Lead acid cells are used in ......?

automobiles

watches

radio recievers

all the above

#2. Examples of secondary cell....?

mercuy cell

voltaic cell

lead acid cell

carbon zinc cell

#3. secondary cells can be ......?

rechargeable

not rechargeable

none of above

#4. Electrolyte used in lechlanche cell/carbon zinc cell is.....?

sulphuric acid

ammonium chloride

manganese oxide

mercury

#5. The hydrometer reading of fully charged lead acid cell is...?

1.8

1.26

1.1

2.1

#6. Why accumulator are prefered to primary cell in motor car?

they are bulk

they have high internal resistance

they can be recharged

all the above

incorrect

#7. Sedimentation occurs in lead acid cell to:

over charging at slow rate

over charge at high rate

no use for longer period

slow charged rate

#8. Examples of primary cell....?

lead avid cell

edison cell

voltaic cell

nickel iron cell

#9. The ampere hour efficiency of a lead acid cell is....?

75%

90-95%

80 -85%

60-65%

#10. Examples of secondary cell....?

voltaic cell

lechlanche cell

mercury cell

lead acid cell

#11. The nominal voltage of fully charged lead acid cell is....?

1.1V

2.2V

1.5V

3V

#12. The specific gravity of electrolyte used in batteries is.....?

1.8

1.15

1.28

2.12

#13. The nominal voltage of lechlanche cell is....?

2.1

1.9

1.5

3

#14. Local action is prevented by use of amalgamating zinc plate with.....?

copper

lithium

mercury

iron

#15. Series connection of cell gives to rise ......?

current rate

voltage rate

power rate

energy

#16. Three 1.5 V each cell has connected in series total output voltage is....?

1.5 V

5V

4.5V

6V

#17. Parallel connection of cell gives to rise ......?

current

voltage

power

energy

#18. The current rating of a battery is given in .....?

ampere

coulomb

ampere hour

none of the above

#19. The unit of electric charge is.....?

volt

ampere

ampere volt

coulomb

#20. Positive plate of a lead acid cell is....?

pure lead

iron

lead peroxide

nickel oxide

#21. Negative plate of a lead acid cell is....?

lead peroxide

spongy lead

iron

nickel oxide

#22. Negative plate of a edison cell is....?

lead peroxide

spongy lead

iron

nickel oxide

#23. Positive plate of a lead acid cell is....?

lead peroxide

spongy lead

iron

nickel oxide

#24. Average emf of a lead acid cell is.....?

1.2

1.5

2.1

2.4

#25. Average emf of a edison cell is.....?

1.2

1.5

2.1

2.4

#26. Ten carbon zinc cells in series have an output of.....?

5 V

10 V

15 V

20 V

#27. Nickel iron cell is a......?

primary cell

secondary cell

none of the above

#28. Electrolyte used in edison cell is.....?

sulphuric acid

ammonium chloride

KOH

none of the above

nickel iron cell

#29. Bending of electrodes due to over charging and discharging called.....?

sulphation

polarisation

buckling

local action

#30. The nominal voltage of silver oxide cell is....?

1.6

1.5

2

2.4

#31. The type of transformer used in battery charger is...?

current transformer

pottential transformer

step up transformer

step down transformer

#32. The principle behind the process of electrolysis is....?

ohms law

lenzs law

faradays law

coulombs law

#33. The energy capacity of storage battery is rated in....?

kWh

kW

ampere hours

joules

#34. The energy capacity of storage battery is rated in....?

kWh

kW

ampere hours

joules

#35. Pickling is .....?

protection of surface from rest

a layer for prevent deterioration

removal of scale, grease etc. from surface

none of the above

#36. During charging of a lead acid cell the specific gravity of the electrolyte is.....?

decrease

increases

constant value

none of the above

#37. The emf of a fully charged lead acid cell is.....?

1.1

1.4

2.1

3

#38. Typical voltage range of solar cell is…?

0.5 V

1V

0.3 V

0.9V

#39. Typical voltage range of solar cell is…?

0.5 V

1V

0.3 V

0.9V

#40. The cathode in nickel iron cell is.....?

Nickel

iron

nickel hydroxide or nickel oxide

carbon

Results

#1. Lead acid cells are used in ......?

#2. Examples of secondary cell....?

#3. secondary cells can be ......?

#4. Electrolyte used in lechlanche cell/carbon zinc cell is.....?

#5. The hydrometer reading of fully charged lead acid cell is...?

#6. Why accumulator are prefered to primary cell in motor car?

#7. Sedimentation occurs in lead acid cell to:

#8. Examples of primary cell....?

#9. The ampere hour efficiency of a lead acid cell is....?

#10. Examples of secondary cell....?

#11. The nominal voltage of fully charged lead acid cell is....?

#12. The specific gravity of electrolyte used in batteries is.....?

#13. The nominal voltage of lechlanche cell is....?

#14. Local action is prevented by use of amalgamating zinc plate with.....?

#15. Series connection of cell gives to rise ......?

#16. Three 1.5 V each cell has connected in series total output voltage is....?

#17. Parallel connection of cell gives to rise ......?

#18. The current rating of a battery is given in .....?

#19. The unit of electric charge is.....?

#20. Positive plate of a lead acid cell is....?

#21. Negative plate of a lead acid cell is....?

#22. Negative plate of a edison cell is....?

#23. Positive plate of a lead acid cell is....?

#24. Average emf of a lead acid cell is.....?

#25. Average emf of a edison cell is.....?

#26. Ten carbon zinc cells in series have an output of.....?

#27. Nickel iron cell is a......?

#28. Electrolyte used in edison cell is.....?

#29. Bending of electrodes due to over charging and discharging called.....?

#30. The nominal voltage of silver oxide cell is....?

#31. The type of transformer used in battery charger is...?

#32. The principle behind the process of electrolysis is....?

#33. The energy capacity of storage battery is rated in....?

#34. The energy capacity of storage battery is rated in....?

#35. Pickling is .....?

#36. During charging of a lead acid cell the specific gravity of the electrolyte is.....?

#37. The emf of a fully charged lead acid cell is.....?

#38. Typical voltage range of solar cell is…?

#39. Typical voltage range of solar cell is…?

#40. The cathode in nickel iron cell is.....?

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