1
Q
What is a battery?
A
A portable DC electrical supply
2
Q
Types of battery?
A
Primary and secondary battery
3
Q
What factors which affect useful life?
A
Corrosion Overfilling Hammering terminals down Leaving discharged for to long Using tap water to top up
4
Q
What are the types of lead acid battery?
A
Conventional
Low maintenance
Maintenance free
5
Q
What colour are positive terminals normally,
A
Red or brown
6
Q
What colours are negative terminals?
A
Black or blue
7
Q
When connecting a battery what order should you connect it?
A
Positive then negative
8
Q
When disconnecting a battery what order should you do it?
A
Negative off first then positive
9
Q
When topping up a battery how far above the plates should the electrolyte be?
A
6mm
10
Q
If you spill battery acid what should you do?
A
Soak up excess acid with sand, neutralise with sodium bicarbonate
DC Electrics
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