問題一覧
1
Which of the following is a unlt of density?
Kllogram per cubic meters Kg/m
2
The standard sea level temperature In degrees Fahrenhelt Is?
15 degrees Fahrenhelt
3
At what phase of flight would all the forces acting on the aircraft be equal to zero?
steady phase
4
It states that the absolute pressure exerted by a given mass of an Ideal gas is Inversely proportional to the volume it occupies i the temperature and amount of gas remain unchanged within a closed system
boyle’s law
5
It states that the mass of an object never changes over time no matter how constituent's part rearrange themselves
law of continuity
6
It is the axis of the aircraft that is in parallel to the aircraft's direction
longitudinal axis
7
It is a system used to reduce the undesirable tendencies of an aircraft to oscillate in a repetitive rolling and yawing motion, a phenomenon known as thé Dutch roll.)
yaw damper
8
Which secondary flight control used to assist for an additional climb?
flaps
9
What happens to aircraft's performance when there is a high humidity?What happens to aircraft's performance when there is a high humidity?
the performance decrease
10
By which even would the power stroke happens in a Reciprocating Engine?
ignition
11
It is known as the strongest wing structure which is attached directly to the fuselage and does not have any type of external, stress-bearing structure
full-cantilever
12
It is a secondary flight control system which is used for lift augmentation
flaps
13
It is the distance between the center of the nose wheel of an alrcraft and the line joining the centreline of the wheels to the main landing toar
wheel base
14
It is the distance between the outer wheels of the main landing gear
wheel track
15
Which part of the atmosphere extends from the earth's atmosphere to 36,080ft?
troposphere
16
It is a pneumatic alr- oil hydraulic shock absorber used on landing gear of most large aircraft and many smaller ones
oleo strut
17
An aircraft flight control system which is in charge with the movement of the aircraft along longitudinal axis
ailerons
18
It consists of formers, frame assemblies, bulkheads as well as longerons and stringers
semi-monocoque type
19
It is the distance of the aircraft from its wing tip to another wing tip
wing span
20
Which of the following is a scalar quantity?
heat
21
It is the angle formed by the relative wind and the wing chord line
angle of attack
22
It is the angle formed by the chord line of the wings and the plane of rotation
angle of incidence
23
Mach number is defined as
The ratlo of the true airspeed to the speed of sound
24
It is also known as the resistive force to a relative motion of any solid or liquid surface
friction
25
The power output produced by a piston of a reciprocating engine is know as?
indicated horsepower
26
Which is considered as the principal structural member of a wing?
spars
27
It is the part of the wing which braces the spars apart and glve the wing its aerofoll shape.
ribs
28
It is an upright wall within the fuselageof an aeroplane and
bulkheads
29
It is defined as the reduced aerodynamic drag that an aircraft's wing generate when they are also close to a (fixed surface
ground effect
30
Unit of measurement used to describe the force producediin a Gas turbine Engine
lbs of thrust
31
What is the fuel used for a gas turbine engine?
Jet A1
32
It is defined as anything that occupies weight and has mass
matter
33
What is the effect of humidity during take-off?
Decreases air pressure
34
It states that the pressure is inversely proportional with the velocity
bernoulli’s principle
35
Known as the static atmospheric model of how the pressure, temperature, density and viscosity of the Earth's atmosphere change over a wide range of altitudes or elevations
ISA-Internatlonal Standard Atmosphere,
36
In a reciprocating engine, what does the N stands for in the PLANK formula?
Number of Power Stroke per Minute
37
It is a drag which is not a form of parasite drag
induced drag
38
What is the smallest particle into which matter can be divided without the release of electrically charged particles?
atom
39
Drag produced as the air passes and strikes through the rudder which causes it to move
interference drag
40
Drag produced as the air passes through the wings and creates a boundary layer
skin friction drag
41
This drag is reduced when the aspect ratio is increased
induced drag
42
This drag is greatest at lowest speed of the aircraft
induced drag
43
This tool can be used to cut wires, rivets, small other pins
diagonal cutter
44
This screw driver has 4 flukes with 45"*
reed and prince screw driver 45
45
Which of the following is also used for twisting safety wires?
Duckblll Pller
46
Type of punch which is used to remove bushings in the hole
pin punch
47
This tool is used when bolt extends through the nut too far preventing general purpose sockets from being used
deep socket
48
This tool is used to drive/remove headiess setscrews, socket head cap screws and Hi-lock fasteners
allen key
49
These spanners are not used for aircraft maintenance
adjustable spanner
50
This tool is used to flattened smooth metal like aluminium and copper
rubber mallet
51
The percentage of Oxygen and Nitrogen in the Earth's Atmosphere
78% Nitrogen 21% Oxygen 1% OTEK ELENENTS
52
Compared to the sea level, the air pressure at an altitude of 1500 ft. is?
lower
53
The pressure gauge on a bottle containing a gas would show a higher reading if the gas in the bottle was:
heated
54
The reason inventors have not been able to invent machine that is 100% efficient is due to:
the exsitence of pressure
55
Allever is being supported by a:Allever is being supported by a:
fulcrum
56
It is a flight control surface which is in charge with the movement of the aircraft about the vertical axis
rudders
57
What will happen if a gas in a container is compressed?
The temperature will increase
58
The water at sea level is heated to 100 degrees Celsius will;
start to boil
59
Which layer of the atmosphere is located between Thermosphere and Stratosphere?
mesosphere
60
What does VOR stands for?
very high frequency omni range
61
What does DME stands for?
distance measuring equipment
62
ADF stands for?
automatic direction finder
63
ILS stands for?
instrument landing system
64
Defined as the apparent force that is felt by an object moving in a curved path that acts outwardly away from the center of rotation
centrifugal force
65
It is a high lift device which is used during take-off and landing
flaps
66
Defined as the force that is necessary to keep an object moving in a curved path and it is directed inward toward the center of rotation
centripetal force
67
Stress in a member when a force tends to be elongated or strecthed
tension
68
Also known as the twisting force
torsion
69
It is the distance from the leading edge to the trailing edge
chord line
70
Known as the fatio of the wing span and its chord
aspect ratio
71
These are'physical quantities that are unaffected by changes and no movements
scalar quantity
72
It states that when there is an increase an increase in pressure at any point in a confined liquid, there is an equal increase at every othér point in a container
pascal’s law
73
What happens to the molecules when the liquid is heated?
expand
74
Type of fuselage that is relying on the skin of the aircraft -Skin takcs ah the locds
monocoque
75
Type of a fuselage that is relying on the skin and stiffeners
monocoque
76
It describes a drawing of an object that is seen by the naked eve
perspective drawing
77
It is a 30-degree view drawing with a scale of one half
oblique drawing
78
How many views does an Orthographic Drawing have?
6 views
79
Orthographic Views can be presented in 2 ways, what are those?
1s and 3rd angle projection
80
The tolerance given in a particular blueprint is 0.003". Which of the following dimensions is allowed if the dimension is 0.25?
0.222” up to 0.228” only
81
In a3d Angle Orthographic Projection, the Plans view normally show:
on top of the front side view