Batteries Flashcards
1
Q
What are the two types of aircraft batteries?
A
Nickel cadmium or lithium.
2
Q
Why are aircraft batteries more prone to thermal runaway than lead-acid batteries?
A
They have a negative thermal coefficient, meaning as they heat up their resistance decreases.
3
Q
What is nominal battery capacity?
A
The amp hours of the battery. E.g a battery of 40 amp hours can output 1 amp for 40 hours or 40 amps for 1 hour.
4
Q
How can lithium fires be extinguished?
A
Direct application of water or other non-flammable liquid
5
Q
What is a busbar?
A
A substantial conductors with multiple attachment points allowing for multiple loads to be connected