AMTP 314 PRELIM EXAM

 What is a turbine engine?

• A type of engine that uses piston-driven compression and expansion for power

•  An engine that converts fuel energy into mechanical energy through a spinning turbine

• A device that compresses air using a reciprocating mechanism

•  An engine primarily used in automotive applications with a rotary valve system

What color is typically associated with Jet A-1 fuel?

• BLUE

• RED

• BLACK

• CLEAR

What is the color of Jet B fuel?

• BLUE

• RED

• CLEAR

• YELLOW

What is the color identification of AVGAS?

• RED

• YELLOW

• CLEAR

• BLUE

Which of the following correctly defines Jet B fuel?

•  A highly refined form of gasoline designed for aviation, with a focus on anti-knock characteristics

• A blend of kerosene and gasoline, used in colder climates for its low freezing point

• A refined diesel fuel used in high-speed aircraft engines

• A low-octane fuel designed for vintage aircraft engines

 Which of the following is not a characteristic of a good aviation fuel?

• High energy content
  

• Low viscosity

• High volatility

• High freezing point

What is the unit of calorific value for fuels?

•  g/L

•  kJ/kg

• mm2/s

• RVP

Define volatility in terms of fuel properties.

• The measure of a fuel’s ability to resist combustion
  

• The tendency of a fuel to evaporate at ambient temperatures

• The capacity of a fuel to absorb water

•  The rate at which fuel density changes with temperature

Define viscosity in terms of fuel properties.

•  The tendency of a fuel to evaporate quickly

• The measure of a fuel's resistance to flow

• The ability of a fuel to remain stable at high temperatures

•  The energy content per unit mass of the fuel

Define volatility in terms of fuel properties.

• The measure of a fuel’s ability to resist combustion

• The tendency of a fuel to evaporate at ambient temperatures

• The capacity of a fuel to absorb water

• The rate at which fuel density changes with temperature