The additional increase in drag at Mach numbers above the critical Mach number is due to?
An aeroplane maintains straight and level flight at a speed of 2 VS if, at this speed, a vertical gust causes a load factor of 3, the load factor n caused by the same gust at a speed of 1.4 VS would be?
The air loads on the horizontal tailplane (tail load) of an aeroplane in straight and level cruise flight are generally directed?
For any propeller?
In relation to subsonic incompressible airflow through a Venturi, which of the following statements is correct?
The bank angle in a rate-one turn depends on?
Sweepback of a wing positively influences
1. Static longitudinal stability
2. Static lateral stability
3. Dynamic longitudinal stability
The combination that regroups all of the correct statements is?
Shock stall:
The manouveuring speed (VA) of a Cessna Skyhawk at 2550 lb is 102 kt.
What is the VA at mass of 1900 lb?
What happens to the lift to drag ratio in the transonic regime?
When the CG position is moved forward, the elevator deflection to achieve an decrease in load factor will be?
Positive static longitudinal stability means that a?
When moving the centre of gravity forward the stick force per g will?
A Mach trimmer?
The descent angle of a given aeroplane in a steady wings level glide has a fixed value for a certain combination of (ignore compressibility effects and assume zero thrust)?
Which of these statements about wing sweepback are correct or incorrect?
I) Decreasing wing sweepback increases Mcrit
II) Decreasing wing sweepback decreases the drag divergence Mach number
Considering subsonic incompressible airflow through a Venturi, which statement is correct?
I) The dynamic pressure in the undisturbed airflow is lower than in the throat
II) The total pressure in the undisturbed airflow is lower than in the throat
The device or method used to counteract adverse yaw is/are?
In the transonic speed regime, when is the CL at its maximum for a given angle of attack?
During a coordinated climbing turn to the right the?
An aircraft with a 1 g stalling speed of 70 kt and limit load factor of 2.5 would have a VA of?
Answer in Kts
Which statement is correct regarding the gyroscopic effect of a clockwise rotating propeller on a single engine aeroplane?
1) Pitch up produces left yaw
2) Right yaw produces pitch up.
Bernoulli's equation is?
(note: rho is density, PSTAT is static pressure; PDYN is dynamic pressure; PTOT is total pressure)
The elevator deflection required for a given maneuver will be?
The load factor is greater than 1 (one):
Which statements about an aeroplane leaving ground effect are correct or incorrect?
1) The downwash angle increases
2) The induced angle of attack increases
Which of these statements about a steady subsonic flow are correct or incorrect?
1) The static pressure decreases as the streamlines diverge
2) The velocity increases as the streamlines diverge
What is the effect of an aft shift of the centre of gravity on?
1) Static longitudinal stability and
2) The required control deflection for a given pitch change
Which of these statements about the strength of wing tip vortices are correct or incorrect?
I) Assuming no flow separation, the strength of wing tip vortices decreases as the angle of attack increases
II) The strength of wing tip vortices increases as the aspect ratio increases
The function of the slot between an extended slat and the leading edge of the wing is to?