fuel system

Question 1

what are types of fuel + grades?

Answer 1

avgas 80
avgas 100
avgas 100LL
jet a

Question 2

what colour is avgas 80

Answer 2

red

Question 3

what colour is avgas 100

Answer 3

green

Question 4

what colour is avgas 100LL

Answer 4

blue

Question 5

what does 100LL mean?

Answer 5

100 grade and low lead content

Question 6

what colour is jet a

Answer 6

colourless or straw

Question 7

what can be used instead of diesel

Answer 7

jet a

Question 8

what is MOGAS

Answer 8

motor gasoline

Question 9

what are the properties of MOGAS?

Answer 9

straw in colour
more flammable and explosive than 100LL
only allowed to be used when specified by manufacturer

Question 10

what is the specific gravity of avgas

Answer 10

0.72

Question 11

what should MOGAS fuel be tested for?

Answer 11

alcohol

Question 12

how to test MOGAS for …?

Answer 12

1. start with an amount of water and mark level with line
2. take fuel sample and add
3. shake to mix them
4. re-check water line
   if there is alcohol - it will be above line

Question 13

what are the types of fuel system?

Answer 13

gravity fed
pump fed

Question 14

what types of fuel pumps are there?

Answer 14

mechanical pump
electric pump

Question 15

when do you use electric pump?

Answer 15

prior to starting, during critical phases and in case of mechanical pump failure

Question 16

how can fuel be lost?

Answer 16

if parked on a slope
is selector is in a position that allows fuel to flow between