The fuel system

Question 1

Priming pump

Answer 1

Sends fuel to the engine prior to start up

Question 2

Why the primer must be locked during flight?

Answer 2

To avoid excessive fuel sent to the engine

Question 3

A loss of power bring two possible causes:

Answer 3

• Lack of fuel
• Carburettor icing

Question 4

Fuel gauges are accurate / inaccurate

Answer 4

Inaccurate

Question 5

Fuel pressure gauge shows pressure at

Answer 5

fuel lines

Question 6

Bourdon tube gauge

Answer 6

Used to determine pressure. Looks like a C

Question 7

Fuel flow gauge

Answer 7

Shows the engine’ fuel use in real time

Question 8

The fuel flow gauge is measuring fuel flow by

Answer 8

Pressure

Question 9

When a fuel injector is blocked, the fuel flow meter will show

Answer 9

Higher fuel flow because the pressure is higher

Question 10

AVGAS meaning

Answer 10

Aviation gasoline

Question 11

Normal AVGAS

Answer 11

100LL

Question 12

100LL

Answer 12

Low lead, colored blue

Question 13

The higher the number of the gas,

Answer 13

The greater the compression that the fuel/air mix can take without detonating.

Question 14

If you use lower grade fuel than recommended,

Answer 14

detonation

Question 15

If you use hugher grade fuel that recommended,

Answer 15

Spark plugs can be fouled by lead,
exhaust valvels and sealing faces can be eroded by the higher performance fuel that is exhausting

Question 16

What color used on pipelines to 100LL?

Answer 16

Red