An aircraft owner was provided a list of discrepancies on an aircraft that was not approved for return to service after an annual inspection. Which of the following statements is/are true concerning who may correct the discrepancies?1. Only a mechanic with an inspection authorization.2. An appropriately rated mechanic.3. Any certificated repair station.
2 & 3. 2. 1.
Placards required on an aircraft are specified in:
Aircraft Specifications or Type Certificate Data Sheets. AC 43.13-1B. The Federal Aviation Regulations under which the aircraft was type certificated.
Alclad is a metal consisting of:
a homogeneous mixture of pure aluminum and aluminum alloy. aluminum alloy surface layers and a pure aluminum core. pure aluminum surface layers on an aluminum alloy core.
A certificated mechanic with a powerplant rating may perform the:
100-hour inspection required by the Federal Aviation Regulations on an airframe, powerplant, or any other component thereof and approve and return the same to service. 100-hour inspection required by the Federal Aviation Regulations on a powerplant or any component thereof and approve and return the same to service. annual inspection required by the Federal Aviation Regulations on a powerplant or any component thereof and approve and return the same to service.
The replacement of a damaged engine mount with a new identical engine mount purchased from the aircraft manufacturer is considered a:
major or minor repair, depending upon the complexity of the installation. minor repair. major repair.
Aviation Maintenance Alerts:
provide mandatory procedures to prevent or correct serious aircraft problems. provide information about aircraft problems and suggested corrective actions. provide temporary emergency procedures until Airworthiness Directives can be issued.
A certain aircraft bolt has an overall length of 1-1/2 inches, with a shank length of 1-3/16 inches, and a threaded portion length of 5/8 inch. What is the grip length?
.8750 inch. .5625 inch. .3125 inch.
Caustic cleaning products used on aluminum structures have the effect of producing:
improved corrosion resistance. passive oxidation. corrosion.
Which statement about Military Standard (MS) flareless fittings is correct?
MS flareless fittings must be tightened to a specific torque. MS flareless fittings should not be lubricated prior to assembly. During installation, MS flareless fittings are normally tightened by turning the nut a specified amount after the sleeve and fitting sealing surface have made contact, rather than being torqued.
The interior surface of sealed structural steel tubing would be best protected against corrosion by which of the following?
Evacuating moisture from the tubing before sealing. A coating of linseed oil. Charging the tubing with dry nitrogen prior to sealing.
(Refer to Figure 62 ,62A, & 62B as necessary.) Which doubler(s) require(s) heat treatment before installation? -102. -101. Both.
Fretting corrosion is most likely to occur:
only when two dissimilar metals are in contact. when two surfaces fit loosely together and can move relative to one another. when two surfaces fit tightly together but can move relative to one another.
Unless otherwise specified, any values given for current or voltage in an ac circuit are assumed to be:
maximum values. instantaneous values. effective values.
Normalizing is a process of heat treating:
iron-base metals only. aluminum alloys only. both aluminum alloys and iron-base metals.
What size sheet of metal is required to fabricate a cylinder 20 inches long and 8 inches in diameter?
(Note: C = pi x D)
20 inches x 25-9/64 inches. 20 inches x 24-9/64 inches. 20 inches x 25-5/32 inches.
Which aircraft record entry best describes a repair of a dent in a tubular steel structure dented at a cluster?
Welded a reinforcing plate over the dented area. Filled the damaged area with a molten metal and dressed to the original contour. Removed and replaced the damaged member.
Which of the following are sometimes used as authorization to deviate from an aircraft's original type design?
1. FAA Form 337
2. Supplemental Type Certificate
3. Airworthiness Directive
4. Technical Standard Order
1, 2, 3, and 4 1, 2, and 4 1, 2, and 3.
Where is the record of compliance with Airworthiness Directives or manufacturers' service bulletins normally indicated?
Flight manual. Aircraft maintenance records. FAA Form 337.
What type of corrosion may attack the grain boundaries of aluminum alloys when the heatment process has been improperly accomplished?
Concentration cell. Fretting. Intergranular.
In a P-N-P transistor application, the solid state device is turned on when the:
base is positive with respect to the emitter. emitter is negative with respect to the base. base is negative with respect to the emitter.
Which of the following includes all the regulatory definitions of "maintenance"?
Overhaul, repair, parts replacement, and preservation, and preventive maintenance. Overhaul, repair, parts replacement, preservation, inspection, and preventive maintenance. Overhaul, repair, parts replacement, inspection, and preservation.
A specific measured distance from the datum or some other point identified by the manufacturer, to a point in or on the aircraft is called a:
reference number. zone number. station number.
When inductors are connected in series in a circuit, the total inductance is (where the magnetic fields of each inductor do not affect the others)(Note: LT = L1 + L2 + L3 . . .)
equal to the inductance of the highest rated inductor. equal to the sum of the individual inductances. less than the inductance of the lowest rated inductor.
Identify the correct statement.
Tools used on certificated aircraft must be an approved type. An outside micrometer is limited to measuring diameters. Dividers do not provide a reading when used as a measuring device.
(1) A measurement should not be scaled from an aircraft print because the paper shrinks or stretches when the print is made.(2) When a detail drawing is made, it is carefully and accurately drawn to scale, and is dimensioned.Regarding the above statements,
only No. 2 is true. neither No. 1 nor No. 2 is true. both No. 1 and No. 2 are true.
What defects will be detected by magnetizing a part using continuous longitudinal magnetization with a cable?
Defects parallel to the concentric circles of magnetic force within the part. Defects perpendicular to the long axis of the part. Defects parallel to the long axis of the part.
Technical information about older aircraft models, of which no more than 50 remain in service, can be found in the:
Index of Antique Aircraft. Aircraft Listing. Summary of Deleted and Discontinued Aircraft Specifications.
The pattern for an inclusion is a magnetic particle buildup forming:
a fernlike pattern. parallel lines. a single line.
The purpose of aircraft wing dihedral is to:
increase lift coefficient of the wing. increase lateral stability. increase longitudinal stability.
(Refer to Figure 23 .) If R2 sticks in the up position, the light will:
not illuminate. be very dim. be on full bright.
A drawing in which the subassemblies or parts are shown as brought together on the aircraft is called:
an installation drawing. an assembly drawing. a detail drawing.
A particular component is attached to the aircraft structure by the use of an aircraft bolt and a castle tension nut combination. If the cotter pin hole does not align within the recommended torque range, the acceptable practice is to:
change washers and try again. exceed the recommended torque range by no more than 10 percent. tighten below the torque range.
The amount of electricity a capacitor can store is directly proportional to the:
plate area and inversely proportional to the distance between the plates. plate area and is not affected by the distance between the plates. distance between the plates and inversely proportional to the plate area.
The maximum weight as used in weight and balance control of a given aircraft can normally be found:
by adding the weight of full fuel, pilot, passengers, and maximum allowable baggage to the empty weight. in the Aircraft Specification or Type Certificate Data Sheet. by adding the empty weight and payload.
The reheating of a heat treated metal, such as with a welding torch:
has a cumulative enhancement effect on the original heat treatment. can significantly alter a metal's properties in the reheated area. has little or no effect on a metal's heat treated characteristics.
What is the maximum penalty for cheating or other unauthorized conduct when taking an FAA mechanic test?
Ineligibility to receive any certificate or rating for one year. Ineligibility to receive any certificate or rating for one year, and suspension or revocation of any certificate held. Ineligibility to receive any certificate or rating for one year, and suspension of any certificate held.
Which material cannot be heat treated repeatedly without harmful effects?
6061-T9 stainless steel. Unclad aluminum alloy in sheet form. Clad aluminum alloy.
In performing a dye penetrant inspection, the developer:
thoroughly cleans the surface prior to inspection. seeps into a surface crack to indicate the presence of a defect. acts as a blotter to produce a visible indication.
A fully charged lead acid battery will not freeze until extremely low temperatures are reached because:
most of the acid is in the solution. the acid is in the plates, thereby increasing the specific gravity of the solution. increased internal resistance generates sufficient heat to prevent freezing.
How is a clevis bolt used with a fork end cable terminal secured?
With a castle nut tightened until slight binding occurs between the fork and the fitting to which it is being attached. With a shear nut and cotter pin or a thin self locking nut tightened enough to prevent rotation of the bolt in the fork. With a shear nut tightened to a snug fit, but with no strain imposed on the fork and safetied with a cotter pin.
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