Exam Qs

Question 1

Define angle of incident?

Answer 1

Chord line and fuselage reference datum

Question 2

Which Newton’s law describes function of jet engine?

Answer 2

3rd

Question 3

Bernoulli states

Answer 3

When dynamic pressure increases static pressure decreases.

Question 4

Angle of incidence also known as

Answer 4

Rigging angle

Question 5

Angle of attack is between

Answer 5

Chord line and relative airflow

Question 6

Which airfoil should create more lift at the same speed?

Answer 6

Cambered

Question 7

In forces acting on an airfoil where is the total reaction assumed to act from?

Answer 7

Pressure?

Question 8

To generate the same amount of lift as altitude is increased, an airplane will be flown at?

Answer 8

A higher true airspeed for any given angle of attack.

Question 9

Aspect ratio is expressed as?

Answer 9

Wing span over mean chord

Question 10

The axis around which an aircraft rolls is called?

Answer 10

Longitudinal

Question 11

On a graph which line is the highest aspect ratio?

Answer 11

The highest

Question 12

Taper is?

Answer 12

Reduction on chord length from wing root to tip

Question 13

Decrease in rigging angle from root to tip is called?

Answer 13

Washout

Question 14

What has higher aspect ratio, glider or F35

Answer 14

Glider

Question 15

When does airflow turn from laminar to turbulent?

Answer 15

Transition point

Question 16

Lift is only perpendicular to the chord line in level flight. True or false?

Answer 16

False?

Question 17

The rho symbol (p) best describes what?

Answer 17

Density

Question 18

Induced drag is lower on a/c that carry wing tip tanks or ECM pods?

Answer 18

True

Question 19

Interference drag is mainly reduced by?

Answer 19

Fairings & internal stowage

Question 20

Reduced airflow over the wing can lead to?

Answer 20

The a/c to stall

Question 21

If AoA is constant but airspeed is doubled, the lift produced at the higher speed will be…

Answer 21

4 times greater than at the lower speed

Question 22

Drag is opposite to?

Answer 22

Thrust

Question 23

Lift acts perpendicular to the relative airflow… and drag acts parallel and opposite to …flight path

Answer 23

Relative airflow, flight path

Question 24

Form drag is mainly reduced by?

Answer 24

Streamlining

Question 25

In rudder or elevator what enhances manoeuvrability?

Answer 25

Size, p, airspeed, deflection angle

Question 26

Zero lift drag is the combination of…

Answer 26

Form, interference, surface friction drag

Question 27

4 methods to reduce wing tip vortices

Answer 27

Winglets, taper, higher aspect ratio, washout

Question 28

Lift dependent drag is lowest at a speed … than VMD

Answer 28

Higher

Question 29

Lift dependant drag is made up of increments of zero lift drag and also induced… drag

Answer 29

Induced

Question 30

Strong wing tip vortices can form due to an increase in…

Answer 30

Weight, AoA, chord length

Question 31

As speed decreases in level flight below the speed for best lift/drag ratio, the total drag of a plane will…

Answer 31

Increase because of increased induced drag.

Question 32

Which AoA gives best lift/drag ratio for a general purpose aircraft?

Answer 32

4

Question 33

Washout is used to reduce wing tip stalling and…?

Answer 33

Vortex drag

Question 34

Pitching is movement around which axis?

Answer 34

Lateral

Question 35

Lowering flaps will also lower the critical angle?

Answer 35

True

Question 36

Lowering flaps will also lower critical angle?

Answer 36

True

Question 37

Further affect of roll is?

Answer 37

Yaw

Question 38

When lowering slats lift will increase. Why else is true?

Answer 38

Allows higher critical angle Improves low speed handling Improves airflow in boundary layer

Question 39

Slats or slots are usually located in front of the what?

Answer 39

Aileron

Question 40

Trim tabs work by being deflected in the … opposite … direction as the corresponding control surface is deflected.

Answer 40

Opposite

Question 41

What aids trim but can’t be adjusted from outside the cockpit?

Answer 41

Fixed tabs

Question 42

Highly manoeuvrable a/c require heavy stick forces to protect it from being over stressed by the pilot?

Answer 42

False

Question 43

Climbing for obstacle clearance is best achieved at…

Answer 43

Lower speed and excess thrust

Question 44

To maintain altitude during a turn, the angle of attack must be increased to compensate for the decrease in the…

Answer 44

Vertical component of lift

Question 45

A max rate climb depends on …

Answer 45

Power

Question 46

Absolute ceiling is reached when?

Answer 46

Engine power and thrust can’t deliver a sustainable climb rate

Question 47

A …tail… wind will increase your gliding range

Answer 47

Tail

Question 48

Which speed would give you the best gliding range?

Answer 48

VxIMD

Question 49

3500ft, decent at 240kts etc etc

Answer 49

60nm

Question 50

An increase in power will …reduce… the decent angle, …increases… the distance travelled over the ground and as such …increase… the range from a given altitude.

Answer 50

Reduces, increases, increase

Question 51

Max turning performance achieved

Answer 51

``` Near sea level At the light buffet With minimum wing loading With maximum power/thrust Max permissible g loading ```

Question 52

If airspeed is increased from 120-150kts during a level 60 degree banked turn, the load factor will…

Answer 52

Remain the same but the radius of turn will increase

Question 53

A plane will stall at the same…

Answer 53

Angle of attack regardless of the attitude with relation to the horizon

Question 54

Lowering flaps will …decrease… the stalling speed and …decrease… the critical angle of attack

Answer 54

Decrease decrease

Question 55

If the a/c radius of turn is 1500’ at 120kts, what would the radius of turn be if TAS increased to 240kts?

Answer 55

6000’

Question 56

The basic stall speed is the speed for an aircraft …weight…, throttle closed, flaps up, level flight.

Answer 56

Weight, closed, up, level

Question 57

Stalling speed at 4g does what?

Answer 57

Doubles

Question 58

A reduction in weight requires less lift and subsequently the stall speed will increase

Answer 58

Weight, stall, increase

Question 59

Which stability requires little input from the pilot to recover to previous flight condition?

Answer 59

Positive

Question 60

The motion of a damped phugoid dynamic looks like?

Answer 60

A wave with reducing amplitudes

Question 61

Lateral stability is achieved by the following design features?

Answer 61

Large fin, dihedral, high wing, sweep back

Question 62

Longitudinal stability deals with roll, true or false?

Answer 62

False

Question 63

Range endurance flying in a turbo prop is based on VIMD?

Answer 63

True

Question 64

Range flying benefits from flying high, cold, increased IAS?

Answer 64

False

Question 65

Flying for range we consider what equation?

Answer 65

VIMD x 1.32

Question 66

When flying for max range consider?

Answer 66

Optimum rpm

Question 67

Why demand higher RPM when flying for range?

Answer 67

Reducing density when flying higher

Question 68

When flying for endurance you want to fly near the tropopause for cold air?

Answer 68

False

Question 69

What option does a multi engine a/c have to operate at lower levels?

Answer 69

Shut down engines to force other to run at higher RPMs

Question 70

For takeoff and landing consider?

Answer 70

Flight path and obstacles Runway length Temp Flap setting

Question 71

Can boundary control methods augment lift?

Answer 71

True

Question 72

Slats and slots allow for better manoeuvrability by mainly…?

Answer 72

Adding extra energy across the chord length

Question 73

Flaps when extended …decrease… the stall speed and …decrease… the critical angle

Answer 73

Decrease, decrease

Question 74

Why is a propeller blade twisted?

Answer 74

To maintain an efficient AoA along the blade length

Question 75

Increasing number of propellor blades is called?

Answer 75

Solidity

Question 76

In a constant speed propeller fine pitch can be described as …low gear… and is best for …takeoff and climb…

Answer 76

Low gear, take off and climb

Question 77

A reduction in weight will require less lift and subsequently the landing speed will increase

Answer 77

Weight, landing, decrease