The elevators of a conventional airplane are used to provide rotation about the:
2
New cards
rudder
An airplane is controlled directionally about its vertical axis by the:
3
New cards
down and the elevator will move up
If the control stick of an aircraft with properly rigged flight controls is moved rearward and to the left, the right aileron will move:
4
New cards
leading edge to trailing edge
The chord of a wing is measured from:
5
New cards
directional stability
The purpose of the vertical fin is to provide:
6
New cards
Compression, Tension, Torsion, Bending, Shear
The stresses that acts on an aircraft are:
7
New cards
angle of attack
The acute angle formed by the chord line of a wing and the relative wind is known as the:
8
New cards
reduce stalling speed
The purpose of wing slats is to:
9
New cards
1/8
What is the smallest size cable that may be used in aircraft primary control systems?
10
New cards
longerons and stringers
Which part(s) of a semi monocoque fuselage prevent(s) tension and compression from bending the fuselage?
11
New cards
longerons and stringers
Longitudinal (fore and aft) structural members of a semi monocoque fuselage are called?
12
New cards
Three times the thickness of the thickest sheet
The general rule for finding the proper rivet diameter is:
13
New cards
one and one-half times the diameter of the rivet shank
The shop head of a rivet should be:
14
New cards
Two times the diameter of the rivet shank
What is the minimum edge distance for aircraft rivets?
15
New cards
dimples
Most rivets used in aircraft construction have:
16
New cards
an overall length of 5/16 inch
MS20426AD-6-5 indicates a countersunk rivet which has:
17
New cards
5056
Which rivet is used for riveting magnesium alloy structures?
18
New cards
monel
Which rivet is used for riveting nickel steel alloys?
19
New cards
To maintain correct wheel alignment
What is the purpose of the torque links attached to the cylinder and piston of a landing gear oleo strut?
20
New cards
prevent heavy spots and reduce vibration
The primary purpose for balancing aircraft wheel assemblies is to:
21
New cards
wide operating temperature
One of the main advantages of skydrol is it's:
22
New cards
red color, petroleum base, will burn, synthetic rubber seals
Characteristics of MIL-H-5606 hydraulic fluid are:
23
New cards
red
Petroleum base hydraulic fluid is which color?
24
New cards
intake, compression, ignition, power, exhaust
The five events of a four-stroke cycle engine in the order of their occurrence are:
25
New cards
exhaust and intake
On which strokes are both valves on a four-stroke cycle reciprocating engine open?
26
New cards
Shortly before the piston reaches the top of the compression stroke
When is the fuel/air mixture ignited in a conventional reciprocating engine?
27
New cards
provide for balance and eliminate vibration to the greatest extent possible.
The primary concern in establishing the firing order for an opposed engine is to:
28
New cards
cylinder volume with piston at bottom dead center and at top dead center
Compression ratio is the ratio between the:
29
New cards
backfiring into the induction system
If the intake valve is opened too early in the cycle of operation of a four-stroke cycle engine, it may result in:
30
New cards
water-mixed degreaser residues may cause engine oil contamination in the overhauled engine
During overhaul, the disassembled parts of an engine are usually degreased with some form of mineral spirits solvent rather than water-mixed degreasers primarily because:
31
New cards
To determine satisfactory performance
What is the purpose of a power check on a reciprocating engine?
32
New cards
Next in firing order to the one from which they were removed and swapped bottom to top
After spark plugs from an opposed engine have been serviced, in what position should they be reinstalled?
33
New cards
The piston was positioned past top dead center
As the pressure is applied during a reciprocating engine compression check using a differential pressure tester, what would a movement of the propeller in the direction of engine rotation indicate?
34
New cards
N2 compressor
In the dual axial-flow or twin spool compressor system, the first stage turbine drives the:
35
New cards
To control the direction of the airflow
What is one purpose of the stator blades in the compressor section of a turbine engine?
36
New cards
To increase pressure and reduce velocity
What is the purpose of the diffuser section in a turbine engine?
37
New cards
To straighten and collect the exhaust gases into a solid exhaust jet
The function of the exhaust cone assembly of a turbine engine is to
38
New cards
Air Inlet and Compressor
The cold section of a gas turbine engine is consisted of?
39
New cards
Combustion, Turbine and Exhaust
The hot section of a gas turbine engine is consisted of?
40
New cards
Auxiliary Power Unit
APU stands for:
41
New cards
volt
The potential difference between two conductors which are insulated from each other is measured
42
New cards
watt
what unit is used to express electrical power?
43
New cards
crew, usable fuel passenger and cargo
The useful load of an aircraft consist of the
44
New cards
reweighing the aircraft
Which of the following can provide the empty weight of an aircraft if the aircraft's weight and balance records become lost, destroyed or otherwise inaccurate?
45
New cards
distance
What type of measurement is used to designate the arm in weight and balance computation?
46
New cards
weighing points
What should be clearly indicates on the aircraft weighing form?
47
New cards
authorized weight of an aircraft and its contents
When dealing with weight and balance of an aircraft the term "maximum weight" is interpreted to mean the maximum
48
New cards
a person should be in the cockpit to operate the brakes
when towing a large aircraft
49
New cards
upwind aileron should be held in the down position
When taxiing an airplane with a quartering frail wind the elevators and
50
New cards
move clear of the runway/taxiway immediately
When taxiing an aircraft, a flashing red light from the control tower means
51
New cards
return to starting point
When taxiing an aircraft, a flashing white light from the control tower means
52
New cards
vapor lock
A fuel that vaporizes too readily may cause
53
New cards
high heat value, high volatility
Characteristics of aviation gasoline are
54
New cards
chemical surface treatment
When an anodized surface coating is damaged in service, it can be partially restored by A. applying a thin coat of zinc chromate primer
55
New cards
improper heat treatment
A primary cause of intergranular corrosions is
56
New cards
Stiff non metallic brush
Corrosion should be removed from magnesium parts with a
57
New cards
stainless steel
Which of these materials is the most cathodic
58
New cards
aircraft maintenance record
Where is the record of compliance with airworthiness directives or manufacturers service bulletins normally indicated ?
59
New cards
in each record
When a 100 hour inspection is completed. If the separate maintenance records for the airframe power plants and propeller are maintained where is the entry for the inspection recorded?
60
New cards
the person approving or disapproving for return of service
Who is responsible for making the entry in the maintenance record after an annual 100 hour or progressive inspection?
61
New cards
99 percent commercially pure aluminum.
The aluminum code number 1100 identifies what type of aluminum?
62
New cards
Reduced Weight
The I-beam wooden spar is routed to
63
New cards
Glue
The strength of a well-designed and properly prepared wood splice joint is provided by the
64
New cards
If the same quality wood is used in both
Laminated wood spars may be substituted for solid rectangular wood spars
65
New cards
parallel grain construction
Laminated wood is sometimes used in the construction of highly stressed aircraft component. This wood can be identified by its
66
New cards
Tensile Strength
The strength classification of fabrics used in aircraft concerning is based on
67
New cards
only no.1 is true
which one is true (1) Machine-sewn seam in aircraft covering fabrics (2) a plain lapped seam is cover permissible
68
New cards
Four
How many fabric thickness will be found in French-felt seam?
69
New cards
polyurethane
Which property applied finish top coat is the most durable and chemical resistant?
70
New cards
Remove grease from fabric
A correct way of using acetone is
71
New cards
140 degrees and turn at a low speed
When drilling stainless steel the drill used should have an included angle of
72
New cards
are less subject to corrosion than uncoated aluminum
Clod aluminum alloys are used in aircraft because they
73
New cards
skin or covering
The monocoque fuselage relies largely on the strength at
74
New cards
to retard age hardening
What is the purpose of refrigerating 2017 and 2024 aluminum alloy rivets after heat treatment?
75
New cards
2117- 13
Which rivet may be used as received without further treatments?
76
New cards
steel parts
Mild steel rivets are used for riveting
77
New cards
bend radius
A piece of sheet metals is bent to a certain radius. The curvature of the bend is referred to as the
78
New cards
heat treatment
he aluminum alloys used in aircraft construction are usually hardened by which method?
79
New cards
pressure regulator
What device in a hydraulic system with a constant delivery pump allows circulation of the fluid when no demands are on the system?
80
New cards
a moisture separator
An aircraft pneumatic system, which incorporate an engine driven multistage reciprocationg compressor also requires:
81
New cards
to allow the feeding of any engine from any tank.
What is the primary purpose of the crossfeed system?
82
New cards
to extend the landing gear if the normal operating mechanism fails
On all aircraft equipped with retractable landing gear, some means must be provided to
83
New cards
prevent hydraulic pump cavitation
What is the main purpose of a pressurized reservoir in a hydraulic system?
84
New cards
pitch
An airplane which has good longitudinal stability should have a minimum tendency to
85
New cards
move toward the leading edge
As the angle of attack of an airfoil increases, the center of the pressure will
86
New cards
fowler flaps
What type of flap system increases the wing area and changes the wing chamber?
87
New cards
also increase
When the lift of an airfoil increases the drag will
88
New cards
spam and chord
What physical factors are involved in the aspect ratio of airplane wings?
89
New cards
aileron
With which system is differential content associated?
90
New cards
worm attachment fittings
If control cables are adjusted properly and the control surfaces tend to vibrate the probable cause is
91
New cards
the airplane will be heavy on the controls
If the travel of an airplaines' control is correct but the cables are rigged exceptionally tight what probable effect will this have when flying the airplane?
92
New cards
degress of flap travel
The universal propeller protractor can be used to measure
93
New cards
install critical stress panels of plates
Which should be accomplished before jacking an aircraft
94
New cards
10 hours
The maximum time a 100 hour inspection maybe extended is
95
New cards
deteriorated flexible hoses
If it is determined that spongy brake action is not caused by air in the brake system, what is the next most likely cause?
96
New cards
wheel flange
overinflated aircraft tires may cause damage to the
97
New cards
preventive maintenance
the removal installation and repair of landing gear tires by the holder of a private pilot certificate on an aircraft owned or operated in considered to be
98
New cards
the aircraft service manual
the correct inflation pressure for and aircraft fire can be obtained from
99
New cards
Can type
In which type of turbine engine combustion chamber is the case and liner removed and installed as one unit during routine maintenance?
100
New cards
To straighten and collect this exhaust gases into a solid exhaust jet
The function of the exhaust cone assembly of a turbine engine is to