Battery | Fill in the Blanks Type Questions

Q. In a lead acid cell hydrogen is liberated at _________ plate.

Answer
negative

Q. During charging of a battery the terminal voltage decreases with the _________ in temperature.

Answer
increase

Q. In a lead acid battery porous rigid plastic sheets are inserted between plates to prevent _________ between plates.

Answer
short circuiting

Q. The _________ of plates reduces the internal resistance and increases the capacity of the cell.

Answer
interlacing

Q. The supply required for charging a lead acid battery is _________.

Answer
dc

Q. Proper charging rate of battery in amperes is around _________ of its ampere-hour capacity.

Answer
one-eighth

Q. Battery charging room is to be kept well ventilated so as to reduce the hydrogen concentration below _________ per cent.

Answer
three

Q. The best indication about the state of charging of a lead acid battery is given by _________ of electrolyte.

Answer
specific gravity

Q. To avoid freezing in cold weather, specific gravity of the electrolyte of the lead acid cell should be kept above _________.

Answer
1.225

Q. The expected life of a lead acid battery is _________ years.

Answer
2 to 5

Q. Lead acid battery should not remain discharged normally for more than _________ hours.

Answer
24

Q. The internal resistance of an Edison cell is about _________ times that of the lead acid cell.

Answer
five

Q. For a given ampere hour capacity, weight of lead acid cell is of that _________ of Edison cell.

Answer
twice

Q. Petroleum jelly is applied to the terminals of the lead-acid battery in order to prevent _________.

Answer
corrosion

Q. The capacity of a battery is expressed in _________.

Answer
ampere-hours

Q. The electrolyte used in Edison cell is _________. 

Answer
KOH
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