A safety precaution designed to prolong the life of a lead acid accumulator is
A
By topping up the cells with concentrated acid
B
The use of naked flame when charging the battery
C
Keeping the specific gravity of the electrolyte within specified range
D
By connecting wires to the terminals directly when testing the level of charging
Verified Correct Answer: C.
Physical Principles & Numerical Solution
- Topping is done with distilled water
- Naked flame should be avoided when charging the battery
- Direct connection of wires to the terminals should be avoided.
Source: Myschool Past Questions Archive (Record #55750)