Chapter 1-Aviation Fuels

Question 1

Aviation Fuels

Answer 1

-Have a much stringent requirements than fuels for ground use(heating and transport).

• can often contain additives to enhance or maintain properties important to fuel performance and handling.

Question 2

Two categorises of Aviation Fuel

Answer 2

a.AViation GASoline <AVGAS></AVGAS>

b. AViation TURbine Fuel <AVTUR></AVTUR>

Question 3

AVGAS
Aviation Gasoline

Answer 3

Used for piston engine aircraft
(SG of 0.69)

Question 4

AVTUR
Aviation Turbine Fuel

Answer 4

Used for gas turbine powered aircraft
(SG of 0.8)

Question 5

Calorific value

Answer 5

Amount of heat released when a unit mass of fuel is burned and measured in heat units (kilojoules)

Question 6

Volatility

Answer 6

-Tendency of a substances to evaporate at normal temperatures

-ability of the fuel to mix readily with warm or cold air,vaporising to form a combustible gas.

Question 7

Specific Gravity (SG)

Answer 7

Define as the weight of the Fuel

Weight or density of liquid compared to an equal quantity of water
(SG of 1.0)

Question 8

The range and endurance of an aircraft depends on

Answer 8

The Number of Kilojoules
(Calorific value)

Question 9

Approved Fuels

Answer 9

a. AVTUR -An aviation kerosene type fuel

b. AVTAG -(blend of gasoline and kerosene) wide cut fuel

c. AVCAT -higher flashpoint (navy)

d. AVGAS -quality gasoline type fuel

Question 10

Anti-icing Additives

Answer 10

To reduce the temperature at which ice particles form from the water in the fuel system

Question 11

Name the anti-icing additives that can be added to fuel.

Answer 11

FUEL SYSTEM ICE INHIBITOR
(FSII)

Question 12

Fuel identification marking consists of what

Answer 12

Colour bands, letters and figures