Welcome Back

Sign in to your PART66Online account

Forgot password?

Don't have an account? Register here

Q&A Forum

1118 questions found

Module 15. Gas turbine engine

What are the principal advantages of the duplex fuel nozzle used in many turbine engines?

  • Allows a wider range of fuels and filters to be used.
  • Restricts the amount of fuel flow to a level where more efficient and complete burning of the fuel is achieved.
  • Provides better atomization and uniform flow pattern.
ta2x asking:

Please write your question here.

Module 5. Digital techniques / Electronic instrument systems

ACARS is an acronym for

  • Aircraft Communicating Addressing and Reporting System.
  • Airborne Communicating Addressing and Reporting System.
  • Airframe Communicating Addressing and Reporting System.
Alexander1990 asking:

Why is this the right answer? ARINC Communicating Addressing and Reporting System IS RIGHT

Module 11. Aeroplane aerodynamics, structures and systems

If True Airspeed is 470 knots, what is the Equivalent Air speed?

  • 662 knots
  • 550 knots
  • 278 knots
Ptarbin asking:

Is there a formula for this?

Module 1. Mathematics

Which of the graphs shown is given by the equation; y = 2x^3 + 4x + 3?

Diagram for question: Which of the graphs shown is given by the equation; y  = 2x^3  + 4x + 3?
  • c
  • b
  • a
deploy asking:

Please write your question here.

Module 6. Materials & hardware

During a Rockwell Hardness test, what dimension is measured?

  • The diameter of the indent.
  • The depth of the indent.
  • The diameter and depth of the indent.
moustafa asking:

isn't what we should see in the microscope is the diameter of the indent and then calculate the area, then knowing the depth?

We use cookies to keep you signed in and improve your experience. By continuing to use this site, you agree to our Privacy Policy.