Fuels And Fuel Tanks

Question 1

What are the physical properties of AVGAS?

Answer 1

Flash point - (-40c)
Auto ignition temp - 450c
Limits of flammability - 1.4% to 7.6%
Specific gravity - 0.72
Flame spread - 215 to 245

Question 2

What are the physical properties of JET A1?

Answer 2

Flash point - 38c
Auto ignition temp - 245c
Limits of flammability - 0.7% to 5.8%
Specific gravity - 0.80
Flame spread - 30

Question 3

What is the difference between aviation fuels and water?

Answer 3

Aviation fuels are:
lighter than water
less viscous than water
not miscible in water

Question 4

What is the difference between aviation fuels and air?

Answer 4

Aviation fuels are more than twice as dense as air

Question 5

What is the volatility of aviation fuels?

Answer 5

AVGAS - high vapour pressure
JET A1 - lw vapour pressure
JET B - moderate vapur pressure

Question 6

What are types of fuel tanks?

Answer 6

Rigid
Integral
Flexible
Auxilary