問題一覧
1
which specification does not apply to a life limited part and it’s mandatory replacement time?
illustrated parts catalog
2
What is the speed of a spare gear with 24 teeth driven by a pinion gear with 84 teeth turning 140 RPM ?
490
3
An aircraft at sea level traveling 760 mph is considered .5 mach. What is the speed if the aircraft was traveling at 1.3 Mach
988
4
What is the formula for power?
Power =( force* distance)/ time or (work/time)?
5
What is the legal effect of failing to comply with an AD?
Anyone who operates or uses a product that does not meet the requirements of the AD is violation
6
What protection device sectionalizes a circuit box
Current limiter
7
Human errors amount to what Percent?
80%
8
Butt welds are supposed to penetrate what percent of the welded material?
100%
9
What is the composition of AL20?
Copper alloy between pure aluminum
10
Determine the correct size of the registration number
12 inches
11
Which jet fuel is made from kerosene
Jet A1
12
When securing an aircraft with a tricycle landing gear to fixed tiedown points, the nose gear should be
Unlocked and straight ahead
13
What is a type of drawing with six views?
Pictorial drawing
14
When should water be added to a nickel cadmium battery?
Fully charged
15
Which of the following is correct?
An outside micrometer is limited to diameters
16
What method of nondestructive inspection has a high risk of radiation exposure?
Radiography
17
What tool is used to measure a warped brake rotor?
Dial indicator
18
If a phase 2 inspection was completed in December, but the phase 4 inspection was done in May. When is the next annual due?
End of may
19
When mooring a small aircraft
Face the aircraft into the wind
20
A wing with a long span, and a short cord will have
Low stall speed and low drag
21
Typically, when towing an aircraft, the towing speed should not exceed
The speed of the walking team
22
Shot peening is a process which
Metal is worked hardened to prevent cracks
23
Some types of stainless steel are highly susceptible to this type of electro current corrosion
Intergranular
24
when conveying information related to an advertisement or sales transaction, no person may make or cause to be made
fraudulent and intentional false statements
25
where can a listing of major repairs and major alterations be found?
14 CFR (FAR) part 43 Appendix A
26
what is the maximum combined length of a combination of washers installed and on a bolt head or a nut
1/8 inch
27
what is the allowable percentage of scratches or dents in metal tubing, when not in the heel or bend?
10% wall thickness
28
when installing a clevis bolt and castellated nut, you should start alignment with the cotter pin hole at?
the minimum recommended torque plus friction drag
29
aviation fuels are given octane ratings and performance numbers to describe resistance to detonation. a performance number consists of two numbers such as 80/87 or 100/130. what does the higher number indicate?
rich fuel/air mixture
30
When replacing OEM multi-conductor cables, utilizing current military specification cable, what problems might you create?
Use of an alternative color code during modification without adequate notation on wiring diagrams, could severely complicate subsequent servicing of the aircraft
31
What is the term for time required capacitor to charge in an RC series or circuit to 63.2% power supply
RL time constant
32
What should be done if a tire gets oil of grease on it
Rinse with soap and water
33
What is the mechanical advantage of a piston stroke of 1 square inch by 1/4 square inch
60
34
Fluid lines in aircraft are identified by markers which include words
Color codes and geometric symbols
35
There are generally two kinds of flares used in aircraft tubing, a single flare and a double flare. When these flares are made properly, the flare angle will be at an angle of.
35-37
36
flexible hoses are sized or designated according to the dash number stenciled on the side of the hose. The dash number does not indicate the inside or outside diameter, but does indicate the
Compatible tubing size
37
Which type of bolt is used only when sheer loads occur and never with tension
Clevis bolt
38
What recommendation should be followed when extensive corrosion is found on a magnesium, air frame or power plant casting
Contact the manufacturer
39
The absence of which item will allow aluminum to be subject to corrosion damage
An oxide film
40
The wing on a slow moving aircraft, has a curved top surface and a relatively flat bottom surface. What happens to the air moving over the top relative to the moving on the bottom
The air moves faster, creating reduced pressure
41
What is the conceptual principle of MRM?
Training
42
What is the main difference between a team of people and a group of people?
Interdependence
43
How much force is required to lift 120 pound weight with a single fixed pulley off of a table that is 3 feet above the floor
120-foot pounds
44
Each person performing an annual or hundred hour inspection she’ll use a checklist that contains at least those items in
14 CFR (FAR) Part 43 appendix D
45
What is defined as a digital code in which each of the decimal digits (0–9) Is represented by a group of four bits
Binary coded decimal
46
When an 18 inch output piston applies 50 psi to 1/2 Inch piston, and it moves 20 Inches how much pressure is in the system
100 psi
47
Where can you find the definition of the “Product”
part 21 of the FAR
48
Hydraulic systems schematic drawings are used for
Specific location/installation of the parts in relation to one another
49
how many of the following will lead to improved quality and an environment that assures continued worker and aircraft safety? 1. Auditing using an independent organization 2. Human factors awareness 3. An internal reporting and auditing system
3
50
of the following statements, which one is incorrect -SLSA are factory built - SLSA and ELSA are kit built - ELSA are kit built
SLSA and ELSA are kit built
51
Which Standard practice action is performed when soldering AC wiring
Heat the wire until wetting action begins
52
What type of solder is commonly used in electronics?
40% lead and 60% tin
53
Which thermal device can be reset after a current overload
Trip free circuit breaker
54
To avoid compliance with an airworthiness directive
Submit alternate plans to the FAA in Oklahoma City, Oklahoma
55
John is a mechanic 6’2” tall and Mary is 5’3” tall. both are equally qualified. There is a requirement to repair a bulkhead inside the aft compartment of a fuselage. what element comes into play in the scenario
Human factors
56
What does the maintenance resource management approach concern?
Effective communication and safety of training
57
The maintenance air decision aid (MEDA) Concept is based on which principal
Manageability of errors
58
What is the most common maintenance error?
Installation
59
The failure to be alert or vigilant in observing is
Lack of awareness
60
Human factors are the study of how people interact with their
Environment
61
What is the study of human dimensions?
Anthropometry
62
What type of accident doesn’t happen immediately
Latent
63
What did Dr. James reason do?
Theorizes error
64
Compare pilot error versus mechanical error, and which is usually the most common
Pilot error
65
Professor James reason explains that errors by aircraft mechanics fall into one of three categories. These categories are.
Slips mistakes and violations
66
The three types of human error are
Omission commission and extraneous
67
John and Nancy have been tasked with completing a hydraulic pump inspection. John is 5’9” tall Nancy is 5’6” tall what could result if Nancy is not tall enough to accomplish the task
Human error
68
What is the effect on the issuance of your airman certificate when the TSA issues a final notification of threat assessment?
The FAA will deny any approval for a certificate, rating or application
69
Primary responsibility for compliance with airworthiness directives lies with the
Aircraft owner or operator
70
Who developed the dirty dozen?
Gordon Dupont
71
the “ crackdown” approach for human behavior control is based upon
Fear and punishment
72
Lack of clean, direct statements and good active, listening skills is the lack of what
Communication
73
When an incident or accident occurs as a result of a decision made long before the failure what type of failure is it?
Latent
74
Human factors dirty dozen list includes all but
latent failure
75
Instrument repairs may be performed
By an FAA approved instrument repair station
76
how is a quality system assured
By an internal reporting and auditing system
77
According to Dr. Jane’s reason, there are two types of human failure which can occur they are
Active and latent
78
Many areas of aviation have shifted their focus from eliminating error to
Preventing and managing error
79
when we think of aviation safety in a contemporary way, human error is
The starting point
80
All of the following are consequences of human error, except
Mental stressor
81
What are two types of stress placed on a mechanic?
Physical and psychological
82
The positive aspects of human factor issues are referred to as the
Magnificent seven
83
The SHEL model is another human factors tool. The goal is to determine not only what the problem is but also
Where and why it exist
84
Which of the following statements is true for a certificated and appropriately rated mechanic regarding repairs and alterations
He, or she may perform an airframe major, repair, or major alteration, but cannot approve the work for return to service
85
Which of the following is an instance, when a special flight permit may not be issued
Flying passengers on a scheduled operation
86
1) Certificated mechanics with an airframe rating may perform a minor repair to an airspeed indicator providing they have the necessary equipment available 2) Certificated mechanics with a powerplant rating may perform a major repair to propeller providing they have the necessary equipment available
Neither No. 1, nor No. 2 is true
87
Who is responsible for determining that materials used in aircraft maintenance and repair are of the proper type and conform to the appropriate standards
The installing person or agency
88
Which of these publications contains standards for protrusion of bolts, studs and screws through self locking nuts
AC 43.13–1 B
89
The replacement of a damaged engine mount with a new, identical engine mount. Purchased from the aircraft manufacturer is considered a.
Minor repair
90
Who has the authority to approve for return to service a propeller after 100 hour inspection 1. A mechanic with a power plant rating 2. A non-certificated mechanic working under the supervision of a certificated mechanic with airframe and powerplant ratings 3. Any certificated repairman
1
91
14 CFR, part 65 contains information for the certification of
Airman other than flight crewmembers
92
14 CFR, part 65 sub part D contains regulations regarding the certification of
Mechanics
93
A certificated mechanic shall not exercise the privileges of the certificate and rating unless within the proceeding 24 months the administrator has found that the certificate holder is able to do the work or the certificate holder has
Served as a mechanic under the certificate and rating for at least six months
94
Under title 14 of the code of federal regulations, What is the maximum penalty for falsification, alteration, or fraudulent reproduction of certificates, logbooks reports and records
Suspension revocation of any certificate held
95
How long does the holder of a certificate issued under part 65 have to notify the FAA after any change in permanent mailing address?
30 days
96
How long is a mechanic certificate with airframe and or power plant ratings valid?
Until voluntarily surrendered permanently revoked, or temporarily suspended
97
Why is a mechanic applicant issued a temporary certificate after successful completion of the required test?
To allow for review of his/her application and supplementary documents
98
What is the maximum duration of a temporary airman certificate?
120 days
99
When may an otherwise qualified mechanic, who does not read ,wright , speak, and understand the English language be eligible to apply for a mechanic certificate?
When employed outside the United States by a US carrier