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Mechanical Engineering · Q45

Automobile Engineering

Engineering and GATE · Mechanical Engineering · question 45

Q45

The main characteristics of a maintenance free (MF) battery is that

A.
A maintenance free battery requires little maintenance during normal use and it is sufficient to add water instead of an electrolyte containing sulphuric acid
B.
A maintenance free battery has a relatively short shelf life when compared with standard batteries
C.
Since it is sealed, the water in maintenance free battery is not lost through evaporation thus accordingly it is not necessary to top up the cells with water
Answer
D.
Recharging of a maintenance free battery is neither required nor possible

Answer: Option C

Solution

Answer: Option C
Solution:
The main characteristics of a maintenance free (MF) battery is that Since it is sealed, the water in maintenance free battery is not lost through evaporation thus accordingly it is not necessary to top up the cells with water