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WorksheetsAE 2.6-210
Total questions: 87
Worksheet time: 15mins
Name
Class
Date
1.
The 4 forces that affect flight are lift, weight, thrust and power.
a)
True
b)
False
2.
This shows the f _ _ _ _ _ paths the aircraft make in the air.
(a)
3.
Lift always acts ______________ to the relative air flow.
a)
parallel
b)
downward
c)
sideways
d)
perpendicular
4.
Lift happens because the relative air flow is deflected downwards by the _ _ _ _ _ .
(a)
5.
The airflow is being _____________ downwards.
a)
objected
b)
deflected
c)
reflected
d)
depleted
6.
Bernoulli's Principle - Lift is generated by a p_ _ _ _ _ _ _ difference across the wing.
(a)
7.
Lower pressure under the wing pushes the aircraft up.
a)
True
b)
False
8.
Air moves faster over the top of the wing.
a)
True
b)
False
9.
Pressure above the wing is less than the pressure below the wing.
a)
True
b)
False
10.
A = _________________
a)
air density
b)
airspeed (IAS)
c)
wing surface area
d)
coefficient of lift (angle of attack)
11.
B = _________________
a)
air density
b)
airspeed (IAS)
c)
wing surface area
d)
coefficient of lift (angle of attack)
12.
C = _________________
a)
air density
b)
airspeed (IAS)
c)
wing surface area
d)
coefficient of lift (angle of attack)
13.
D = _________________
a)
air density
b)
airspeed (IAS)
c)
wing surface area
d)
coefficient of lift (angle of attack)
14.
Pressure = force / _______
a)
speed
b)
area
c)
lift
d)
power
15.
The movement of air is known as
a)
pressure fields
b)
hurricanes
c)
aerodynamics
d)
avionics
16.
A gas is a solid
a)
True
b)
False
17.
Which of the following is not a state of matter?
a)
liquid
b)
light
c)
gas
d)
solid
18.
A liquid changing to a gas is called evaporation
a)
True
b)
False
19.
A solid changing to a liquid is called condensation
a)
True
b)
False
20.
Weight is the ____________ force generated by gravity.
a)
upward
b)
downward
c)
parallel
d)
perpendicular
21.
weight = m _ _ _ x gravity
(a)
22.
How much does an Apache helicopter weigh?
a)
5,165kg
b)
28,000kg
c)
125,000kg
d)
1,000kg
23.
The weight must be greater than the lift force for the plane to take off.
a)
True
b)
False
24.
CG is an acronym for the Centre of _ _ _ _ _ _ _
(a)
25.
The aircraft is balanced around the _________________________.
a)
CF
b)
CL
c)
CG
d)
CP
26.
Choose the correct answer/s for A:
a)
CENTRE OF LIFT
b)
CENTRE OF GRAVITY
c)
CENTRE OF PRESSURE
d)
TAIL
27.
Choose the correct answer/s for B:
a)
CENTRE OF LIFT
b)
CENTRE OF GRAVITY
c)
CENTRE OF PRESSURE
d)
TAIL
28.
Choose the correct answer/s for C:
a)
CENTRE OF LIFT
b)
CENTRE OF GRAVITY
c)
CENTRE OF PRESSURE
d)
TAIL
29.
moment = force x distance
a)
True
b)
False
30.
Which of the following is an aerodynamic force?
a)
density
b)
speed
c)
weight
d)
pressure
31.
Increasing the angle of attack increases _______
a)
lift
b)
speed
c)
thrust
d)
fuel efficiency
32.
Increasing the angle of attack above the critical angle will cause the plane to
a)
lift
b)
spin
c)
stall
d)
accelerate
33.
The camber and chord lines are both straight
a)
True
b)
False
34.
Helicopters have aerofoils
a)
True
b)
False
35.
Which of the following is not a force of flight
a)
lift
b)
drag
c)
speed
d)
weight
36.
Weight = mass x
a)
speed
b)
thrust
c)
gravity
d)
lift
37.
All planets have the same weight
a)
True
b)
False
38.
The Rafale weighs ....
a)
1000 kg
b)
10,000 kg
c)
100,000 kg
d)
1,000,000 kg
39.
The centre of gravity is normally very close to the centre of lift
a)
True
b)
False
40.
The forward force that moves the aircraft through the air is _____________ by the powerplant.
a)
cancelled
b)
propelled
c)
generated
d)
reversed
41.
Thrust normally acts parallel to the lateral axis.
a)
True
b)
False
42.
For an aircraft to maintain speed, thrust must equal ____________.
a)
weight
b)
drag
c)
lift
d)
velocity
43.
To accelerate, ___________ must be greater than drag.
a)
thrust
b)
weight
c)
lift
d)
velocity
44.
A = ________________
a)
propeller wing
b)
propeller blade
c)
propeller hub
d)
propeller fin
45.
B = ________________
a)
propeller wing
b)
propeller blade
c)
propeller shaft
d)
propeller fin
46.
In helicopters thrust is generated by the main ___________ .
a)
blade
b)
wing
c)
propeller
d)
rotor
47.
A = ________________
a)
blade
b)
rotor head
c)
rotor shaft
48.
B = ________________
a)
blade
b)
rotor head
c)
rotor shaft
49.
C = ________________
a)
blade
b)
rotor head
c)
rotor shaft
50.
This shows _ _ _ _ _ _ vectoring.
(a)
51.
Which is not one of the forces of flight?
a)
drag
b)
weight
c)
lift
d)
speed
52.
Relative Airflow is the movement of the air over the wings
a)
True
b)
False
53.
Which is the same as a 90' angle?
a)
Parallel
b)
Perpendicular
c)
Protracted
54.
Air moves faster over the top of the wing
a)
True
b)
False
55.
The main rotor on a helicopter generates lift and thrust
a)
True
b)
False
56.
Thrust normally acts parallel to the ___________ axis
a)
lateral
b)
vertical
c)
longitudinal
57.
TRT =
a)
Take-off Release Time
b)
Total Rest Time
c)
Travel Relative to Thrust
d)
Total Rotor Thrust
58.
Parasitic drag adds extra thrust to the helicopter
a)
True
b)
False
59.
Increasing thrust will increase ____________
a)
Velocity
b)
Weight
c)
Angle of attack
d)
All of the above
60.
For the aircraft to accelerate thrust must be _________________ drag.
a)
lower than
b)
greater than
c)
equal to
d)
weaker than
61.
'Form drag' is the same as 'profile drag'.
a)
True
b)
False
62.
Parasite drag is sometimes called no - _ _ _ _ drag.
4 lines
63.
Drag's caused by the __________ of the air to the aircraft moving through it.
a)
vortices
b)
downwash
c)
winglets
d)
resistance
64.
____________ drag happens at the intersections of different aircraft parts.
a)
Induced
b)
Interference
c)
Skin friction
d)
Parasite
65.
Form drag is generated by the object's s _ _ _ _ .
(a)
66.
What causes interference drag?
a)
nose
b)
wing tank
c)
aileron
d)
cockpit
67.
The wings are as smooth as possible to reduce skin f _ _ _ _ _ _ _ drag.
(a)
68.
As velocity increases parasite drag decreases.
a)
True
b)
False
69.
The picture shows wing tip _____________ .
a)
winglets
b)
intersection
c)
separation
d)
vortices
70.
w _ _ _ _ _ _ _ reduce the amount of induced drag by stopping wingtip vortices.
(a)
71.
On a helicopter induced drag is caused by blade tip vortices.
a)
True
b)
False
72.
T _ _ _ _ drag = parasite drag + induced drag
(a)
73.
Drag acts perpendicular to the relative wind
a)
True
b)
False
74.
Which of the following is not a common form of drag...
a)
parastitic
b)
cloud
c)
skin
d)
form
75.
Skin friction drag is _________ resistance
a)
water
b)
air
c)
wing
d)
dangerous
76.
Winglets are found at the ____________ of the wing
a)
leading edge
b)
trailing edge
c)
tip
d)
root
77.
The angle at which the wing is attached to the aircraft =
a)
angle of attack
b)
angle of axis
c)
angle of incidence
d)
angle of aspect
78.
The angle of incidence of a propeller or rotor blade is the blade p _ _ _ _ .
(a)
79.
B = ______________
a)
wing tip
b)
trailing edge
c)
wing root
d)
leading edge
80.
C = ______________
a)
leading edge
b)
wing tip
c)
trailing edge
d)
wing root
81.
A = _____________
a)
tip chord
b)
root chord
82.
A is the t _ _ .
(a)
83.
B is the r _ _ _ .
(a)
84.
C is the h _ _ .
(a)
85.
The average distance between leading and trailing edge:
a)
root chord
b)
tip chord
c)
hub chord
d)
mean chord
86.
A is the root chord.
a)
True
b)
False
87.
PC-21 has variable ___________ propellers
a)
yaw
b)
roll
c)
speed
d)
pitch
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