Electrolysis and storage of batteries Archives

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

current rating

voltage rating

ampere-hour rating

none of the above

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42. Which of the following has lower specific gravity

Dilute H2SO4

Concentrated H2SO4

Water

Any of the above

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43. 48 ampere-hour capacity would deliver a current of

48 amperes for 1 hour

24 amperes for 2 hours

8 amperes for 6 hours

6 amperes for 8 hours

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44. In a lead-acid cell, lead is called as

positive active material

negative active material

passive material

none of the above

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

thin aluminium wires

thin copper wires

rigid cables

flexible cables

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46. Which among the following constitutes the major load for an automobile battery ?

Brake light

Self starter

Parking lights

Spark plugs

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among the following constitutes the major load for an automobile battery ?

47. Extent of corrosion in the underground metal work depends upon

amount of moisture

type of metals

type of soil chemicals

all above factors

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