1(8012) When inductors are connected in series in a circuit, the total inductance (where the magnetic fields of each inductor do not affect the others) is
(Note: L(T) = L(1) + L(2) + L(3) . . .)
equal to the sum of the individual inductances
2(8039) When referencing resistance in a parallel DC circuit, which of the following statements is true?
The total current is equal to the sum of the currents through the individual branches of the circuit
3(8019) A 24-volt, 1-horsepower DC electric motor that is 80% efficient requires 932.5 watts. How much power will a 12-volt, 1 horsepower DC electric motor that is 75 percent efficient require?
(Note: 1 horsepower = 746 watts)
994.6 watts
4(8085) A lead-acid battery with 12 cells connected in series (no-load voltage = 2.1 volts per cell) furnishes 10 amperes to a load of 2-ohms resistance. The internal resistance of the battery in this instance is
0.52 ohm
5(8225) The testing medium that is generally used in magnetic particle inspection utilizes a ferromagnetic material that has
high permeability and low retentivity
6(8361) A nonelectrolytic chemical treatment for aluminum alloys to increase corrosion resistance and paint-bonding qualities is
alodizing
7(8215.1) Which statement is true regarding the variety of symbols utilized on the identifying color-code bands that are currently used on aircraft plumbing lines?
Symbols are always black against a white background regardless of line content
8(8528) FAA certificated mechanics may
approve for return to service a minor alteration they have performed appropriate to the ratings(s) they hold
9(8269) A bolt with a single raised dash on the head is classified as an
AN corrosion-resistant bolt
10(8523) The 100-hour inspection required by Federal Aviation Regulations for certain aircraft being operated for hire may be performed by
appropriately rated mechanics and approved by them for return to service
11(8263) Aircraft bolts with a cross or asterisk marked on the bolthead are
standard steel bolts
12(8452.4) For aircraft operated under Part 91, what difference is there, if any, between the record entry requirements for maintenance (e.g., repair or alteration) and the record entry requirements for inspections (beyond the description of the work preformed and the type and extent of inspection?
Aircraft total time is required to be included only in the inspection entry
13(8103) What type of line is normally used in a drawing or blueprint that indicates invisible edges or contours?
Medium-weight short dashes, evenly spaced.
14(8233) To detect a minute crack using dye penetrant inspection usually requires
a longer-than normal penetrating time
15(8493)
(1) A Supplemental Type Certificate (STC) may be issued to more than one applicant for the same design change, providing each applicant shows compliance with the applicable airworthiness requirement.
(2) An installation of an item manufactured in accordance with the Technical Standard Order (TSO) system requires no furter approval for installation in a particular aircraft
Regarding the above statements,
only 1 is true
16(8223) What method of magnetic particle inspection is used most often to inspect aircraft parts for invisible cracks and other defects?
Continuous
17(8531.6) When may an otherwise qualified mechanic who does not read, write, speak, and understand the English language be eligible to apply for a mechanic certificate?
When employed outside the United States by a U.S. air carrier
18(8163) The maximum weight of an aircraft is the
empty weight plus useful load
19(8453) 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.
20(8343) The main differences between grades 100 and 100LL fuel a
Lead content and color
21(8337) Why is ethylene dibromide added to aviation gasoline?
To scavenge lead oxide from the cylinder combustion chambers
22(8271) Where is an AN clevis bolt used in an airplane?
Only for shear load applications
23(8134) A hydraulic system schematic drawing typically indicates the
direction of fluid flow through the system
24(8452.3) For aircraft operated under Part 91, when is aircraft total time required to be recorded in aircraft maintenance records?
After satisfactorily completing inspections.
25(8228) What two types of indicating mediums are available for magnetic particle inspection?
Wet and dry process materials
26(8175) The CG range in single-rotor helicopters is
more restricted than for airplanes
27(8295) Which tool is used to find the center of a shaft or other cylindrical work?
Combination set
28(8455) 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.
29(8513) (Refer to Figure 62, 62A, and 62B as necessary.)
Using only the information given (when bend allowance, set back, etc. have been calculated) which doubler is it possible to construct and install?
-101
30(8158)
(1) Private aircraft are required by regulations to be weighed periodically.
(2) Private aircraft are required to be weighed after making any alteration.
Regarding the above statements,
neither 1 nor 2 is true.
31(8531.4) Why is a mechanic applicant issued a temporary certificate after successful completion of the required tests?
To allow for review of their application and supplementary documents.
32(8136)
(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,
both 1 and 2 are true
33(8370) Galvanic corrosion is likely to be most rapid and severe when
when the surface of the anodic metal is smaller than the surface area of the cathodic metal
34(8254) Which material cannot be heat treated repeatedly without harmful effects?
Clad aluminum alloy
35(8259) Alclad is a metal consisting of
pure aluminum surface layers on an aluminum alloy core
36(8172) Improper loading of a helicopter which results in exceeding either the fore or aft CG limits is hazardous due to the
reduction or loss of effective cyclic pitch control
37(8530) What part of the Federal Aviation Regulations prescribes the requirements for issuing mechanic certificates and associated ratings and the general operating rules for the holders of these certificates and ratings?
14 CFR Part 65
38(8509.1) A Technical Standard Order (TSO) is issued by whom?
The Administrator
39(8354) Fayed surfaces cause concern of the danger of
entrapping corrosive materials
40(8308) During starting of a turbine powerplant using a compressed air starter, a hung start occurred. Select the proper procedure.
Shut the engine down
41(8239) A part which is being prepared for dye penetrant inspection should be cleaned with
a volatile petroleum-base solvent
42(8226) Which statement relating to the residual magnetizing inspection method is true?
It may be used with steels which have been heat treated for stressed applications
43(8125) (Refer to Figure 34.)
What would be the minimum stock required for the construction of the clevis that would produce a machined surface?
1 inch
44(8208) Scratches or nicks on the straight portion of aluminum alloy tubing may be repaired if they are no deeper than
10 percent of the wall thickness
45(8530.1) 14 CFR Part 65 contains regulations regarding the certification of
airmen other than flight crewmembers
46(8184)
Datum is forward of the main gear center point 30.24 inches
Actual distance between tail gear and main gear center points 360.26 inches
Net weight at right main gear 9,980 pounds
Net weight at left main gear 9,770 pounds
Net weight at tail gear 1,970 pounds
These items were in the aircraft when weighed:
1. Lavatory water tank full (34 pounds at +352).
2. Hydraulic fluid (22 pounds at -8).
3. Removable ballast (146 pounds at +380).
What is the empty weight CG of the aircraft described above?
60.31 inches
Explanation:
First find center of gravity of aircraft by using right main, left main, and tail gears
Second, mathematically remove the lavatory water tank and the removable ballast. HYDRAULIC FLUID STAYS ON AIRCRAFT
47(8156.1) When calculating the new weight and balance for an aircraft, what is used to determine the operating CG range?(8278
The Type Certificate Data Sheets
48(8349.1) For which of the following reasons would a water break test be conducted?
To make certain that a bare metal surface is thoroughly clean.
49(8278) (Refer to Figure 44).
Identify the weld caused by an excessive amount of acetylene.
3
50(8185.2) When accomplishing loading computations for a small aircraft, necessary information obtained from the weight and balance records would include
current empty weight and empty weight CG.
51(8273) The core material of Alclad 2024-T4 is
heat-treated aluminum alloy, and the surface material is commercially pure aluminum
52(8093) Which condition is an indication of improperly torqued cell link connections of a nickel-cadmium battery?
Heat or burn marks on the hardware
53(8478) Which atmospheric conditions will cause the true landing speed of an aircraft to be the greatest?
High temperature with high humidity
54(8252) Why is steel tempered after being hardened?
To relieve its internal stresses and reduce its brittleness.
55(8238) The pattern for an inclusion is a magnetic particle buildup forming
parallel lines
56(8516.3) What does the Type Certificate Data Sheet designation code '2 PCSM' mean?
Two place (number of seats), closed, sea, monoplane.
57(8352) Which of the following are acceptable to use when utilizing chemical cleaning agents on aircraft?
Cotton fiber wiping cloths when using a flammable agent and atomizing spray equipment
58(8165) What should be clearly indicated on the aircraft weighing form?
Weighing points
59(8279) (Refer to Figure 44.)
Select the illustration which depicts a cold weld.
2
60(8217.1) Which statement is true regarding flattening of tubing in bends?
The small diameter of the flattened portion must not be less than 75 percent of the original outside diameter.
61(8516.4) Which of the following includes all the regulatory definitions of 'maintenance'?
Overhaul, repair, parts replacement, inspection, and preservation
NOT preventative maintenance
62(8270) How is a clevis bolt used with a fork-end cable terminal secured?
With a shear nut tightened to a snug fit, but with no strain imposed on the fork and safetied with a cotter pin
63(8311) Which statement is true regarding tiedown of small aircraft?
Nylon or dacron rope is preferred to manila rope
64(8285) (Refer to Figure 45.)
What type of weld is shown at A?
Butt
65(8465) If a double-acting actuating cylinder in a 3,000 psi system has a piston with a surface area of three square inches on the extension side, and a rod with a cross-section area of one square inch attached to the piston on the other side, approximately how much force will the actuator be able to produce when retracting?
6,000 pounds
66(8454.3) For aircraft operated under Part 91, which of the following records must be retained and transferred with the aircraft when it is sold?
Records of the current status of applicable ADs, and date and time when recurring ADs are next due.
67(8036) which requires the most electrical power?
(Note: 1 horsepower = 746 watts)
A. A 1/5 horsepower, 24-volt motor which is 75 percent efficient.
B. Four 30-watt lamps arranged in a 12-volt parallel circuit
C. A 24-volt anticollision light circuit consisting of two light assemblies which require 3 amperes each during operation
A 1/5 horsepower, 24-volt motor which is 75 percent efficient
68(8053) (Refer to Figure 64.)
A 48-volt source is required to furnish 192 watts to a parallel circuit consisting of three resistors of equal value. What is the value of each resistor?
36 ohms
69(8516) The following is a table of airspeed limits as given in an FAA-issued aircraft specification:
Normal operating speed: 260 knots
Never-exceed speed: 293 knots
Maximum landing gear operation speed: 174 knots
Maximum flap extended speed: 139 knots
The high end of the white arc on the airspeed instrument would be at
139 knots
70(8468) An engine that weighs 350 pounds is removed from an aircraft by means of a mobile hoist. The engine is raised 3 feet above its attachment mount, and the entire assembly is then moved forward 12 feet. A constant force of 70 pounds is required to move the loaded hoist. What is the total work input required to move the hoist?
840 foot-pounds
71(8224) Which of the following factors are considered essential knowledge for X-ray exposure?
Material thickness and density and the type of defect to be detected
72(8306) What may be used to check the stem on a poppet-type valve for stretch?
Micrometer
73(8309) A hung start in a jet engine is often caused by
the starter cutting off too soon.
74(8260) A fiber-type, self-locking nut must never be used on an aircraft if the bolt is
subject to rotation
75(8214.3) Which of the following statements is true regarding minimum allowable bend radii for 1.5 inches OD or less aluminum alloy and steel tubing of the same size?
The minimum radius for steel is greater than for aluminum
76(8199) What is the color of an AN steel flared-tube fitting?
Black.
77(8087) Which statement regarding the hydrometer reading of a lead-acid storage battery electrolyte is true?
The hydrometer reading does not require a temperature correction if the electrolyte temperature is 80°F.
78(8303) How can the dimensional inspection of a bearing in a rocker arm be accomplished?
Telescopic gauge and micrometer
79(8284.1.) In examining and evaluating a welded joint, a mechanic should be familiar with
likely ambient exposure conditions and intended use of the part, along with type of weld and original part material composition
80(8088) A fully charged lead-acid battery will not freeze until extremely low temperatures are reached because
most of the acid is in the solution
81(8289) Which tool can be used to measure the alignment of a rotor shaft or the plane of rotation of a disk?
Dial indicator
82(8209) Flexible hose used in aircraft systems is classified in size according to the
inside diameter
83(8028) (Refer to Figure 9.)
How many instruments (voltmeters and ammeters) are installed correctly?
Two.
84(8320) Generally, when an induction fire occurs during starting of a reciprocating engine, the first course of action should be to
continue cranking and start the engine if possible.
85(8590) A wing with a very high aspect ratio (in comparison with a low aspect ratio wing) will have
a low stall speed
86(8355) Caustic cleaning products used on aluminum structures have the effect of producing
corrosion
87(8077) Typical application for zener diodes is as
voltage regulators
88(8217)
(1) Bonded clamps are used for support when installing metal tubing
(2) Unbonded clamps are used for support when installing wiring
Regarding the above statements
both 1 and 2 are true
89(8297) If it is necessary to accurately measure the diameter of a hole approximately 1/4 inch in diameter, the mechanic should use a
small-hole gauge and determine the size of the hole by taking a micrometer reading of the ball end of the gauge
90(8516.5) 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, and suspension or revocation of any certificate held