Aircraft Batteries

NI-CAD batteries have an individual cell voltage of

• 2V

• 3V

• 2.5V

• 1.3V

Tags

NGSS.HS-PS3-2

Thermal runaway is a problem in which type of battery?

• Lead Acid

• Wet Cell

• NiCad

• Dry Cell

Tags

NGSS.HS-PS3-4

Lead acid cells have a voltage of?

• about 2 or 2.1V

• 1.3V

• 12V

• 1.5V

Connecting cells in series increases

• power

• voltage

• current

• awesomeness

Connecting cells in parallel increases

• current

• voltage

• resistance

• heart rates

What is the process on suspecting a battery has thermal runaway?

• wait 15mins, then release the vent caps, return for overhaul

• wait 30mins, check it, then wait another 30 mins if required

• cover in acetic acid to neutralise

Tags

NGSS.HS-PS3-4

NiCad cells are _________ at maintaining their charge if left idle when compared to Lead Acid

• better

• worse

Which thermocouple is suitable for temperatures up to 1200 degrees?

• chromel alumel

• iron constantan

• copper constantan

If you get electrolyte on your skin what should you do?

• Wash are with lots of water

• Neutralise with appropriate acid/alkaline solution

• Wipe it off with a clean rag

Increasing the electrode area will _____________ the internal resistance of the cell.

• increase

• decrease