POF T2

Given an aeroplane in steady, straight amd level flight at low speed and considering the effects of CG location and thrust, the highest value of wing lift occurs at:

WHich statement is correct

1) stick force per g is independent of altitude

2) stick force per g increases when the CG moves forward 

What has positve and what negative affect on directional stability?

The contribution to the static directional stability of a straight wing with high aspect ratio and without dihedral? 

Positive static lateral stability is the tendency of an aeroplane to:

One advantage of mounting the horizontal tailplane on top of the vertical fin is:

Requires aileron deflection in the crosswind?

What happens to lateral stability when flaps are extended ?

If the static lateral stability of an aeroplane is increased, whilst its static directional stability remains constant:

Which of the following flight phenomena can happen at Match numbers belows the critical Mach number

sensiivity for spiral dive will occur when ?

With a swept wing aircraft, with an increase in altitude, which of the following statements about lateral stability is correct?

static lateral stability in altitude ? 

which statement is correct for a side slip condition at constant speed and side slip angle, where the geometric dihedral of an aeroplane is increased ? 

Excessive static laterla stability is an undesirable characteristic for a transport aeroplane because?

Positive to static lateral stability:

Negative to static lateral stability:

In the total sum of moments about one of its axis it not zero, an aeroplane would:

For an aeroplane to possess dynamic stability, it needs?

If the sum of moments in flight is not zero, teh aeroplane will rotate about the:

an automatic leading edge slat is operated by:

Wie verhält sich der Frag:

1. higher aspect ratio:

2. higher AoA

3. higher weight

4. higher speed

5. winglets:

Excluding constants, teh coefficient if induced drag (C_Di) is the ratio of: 

with flaps deployed, at a constant IAS in straight and level flight, the magnitude of tip vortices: 

Induced drag is caused by

For a taperd wing without twist, the effective AoA will be:

which statement is correct?

wing twist (geometric and aerodynamic) is used to:

1) improve stall characteristics

2) reduce induced drag

3) Reduce interference drag

4) Increase V_MO

What is the effect on induced drag of an increase in aspect ratio?

The induced AoA is:

The span-wise flow on an unswept wing is from the:

Difference Krueger flaps ans slats ?

slat or flap asymmetry after either extension or retraction, may have an effect on controllability since:

When vortex generators are fitted they will normally be found:

The difference bewteen the effects of slat and flap asymmetry is that: 

Comparing the lift  coefficient and drag coefficient for conventional aeroplanes at normal AoA

Min Drag of an aeroplane in straight and level flight occurs at teh 

Typically teh CL/CD ratio is:

regarding deep staal characteristics, identify whetever the following statements are correct or incorrect?

1) An aeroplane with a low horizontal tail and wings with sweepback is normally prone to deep staal

2) an aeroplane with a canard is normally prone to deep stall

Canard winf => feature?

teh stalling angle of an aerofoil is approximately