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Module 12. Helicopter aerodynamics, structures and systems
On a helicopter, what is vortex ring state?
•  Ground vortex interference when hovering close to the ground.
•  Tip vortex interference at high forward speed.
•  Tip vortex build-up during hover.

bhavon asking:
•  please explain the answer


Community comments: 0
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.

Community comments: 0
Module 5. Digital techniques / Electronic instrument systems
ACARS is an acronym for
•  Aircraft Communicating Addressing and Reporting System.
•  Airborne Communicating Addressing and Reporting System.
•  ARINC Communicating Addressing and Reporting System.

Alexander1990 asking:
•  Why is this the right answer? ARINC Communicating Addressing and Reporting System IS RIGHT

Community comments: 1
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?

Community comments: 0
Module 1. Mathematics
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.

Community comments: 0
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